{"title":"Electronics Module - Other Accessories","description":null,"products":[{"product_id":"hw-447-high-power-digital-power-amplifier-board-tpa3116d2-chassis-dedicated-plug-in-5-28v-output-120w","title":"HW-447 High Power Digital Power Amplifier Board TPA3116D2 Chassis Dedicated Plug-in 5-28V Output 120W","description":"\u003cbr\u003e1. Purpose: Digital power amplifier board\u003cbr\u003e2. Chip model: TPA3116\u003cbr\u003e3. Input voltage: DC8-28V\u003cbr\u003e4. Output impedance: 4-82 ohm\u003cbr\u003e5. Output power: 2 x 120w\u003cbr\u003e6. Size: 83x60x25mm\u003cbr\u003e7. Weight: About 65g\u003cbr\u003e\u003cbr\u003eInstructions for use:\u003cbr\u003e1. Connect the power input terminal to a DC8-28V power supply. The recommended power supply is DC24V with a current of 6A, and the output power can reach 120W per channel.\u003cbr\u003e2. Connect the audio input terminal to the audio source, such as MP3, mobile phone, computer, etc.; it is recommended to connect the output terminal of the front power amplifier board\u003cbr\u003e3. Two audio output terminals are connected to two speakers respectively\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52628766130523,"sku":"TBD05722755","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05722755.jpg?v=1773965276"},{"product_id":"4-way-fast-charging-module-usb-mobile-phone-charging-board","title":"4-Way Fast Charging Module USB Mobile Phone Charging Board","description":"\u003cbr\u003e1. Soft start function\u003cbr\u003e2. Conversion efficiency reaches 97%\u003cbr\u003e3. 220Khz switching frequency\u003cbr\u003e4. Built-in synchronous switch step-down converter chip\u003cbr\u003e5. Output voltage range: 3V to 12V, automatically adjusted according to the fast charge protocol\u003cbr\u003e6. Used in car chargers, fast charging adapters, smart power strips, solar chargers, etc.\u003cbr\u003e7. This module is a 4-way pressure drop fast charging module, please use 12V-30V DC power supply, and the positive and negative poles cannot be reversed.\u003cbr\u003e8. Input voltage range: 4.5V to 32V (the input voltage must be higher than the output voltage, because it is a voltage drop module)\u003cbr\u003e9. Multiple protections, high reliability, output over current, input over voltage, input under voltage, output short circuit protection, over temperature protection of the whole machine\u003cbr\u003e10. The output has CV\/CC characteristics (output current is less than the set value, output CV mode; output current is greater than the set value, output CC mode)\u003cbr\u003e11. PCB adopts FR-4 1.6mm thickness design, optimized layout and wiring, tight design, open window on the back for heat dissipation, low full load working temperature, standby current 0.013A, module has output voltage compensation function\u003cbr\u003e12. Each of the four channels supports QC 3.0 fast charging protocol, and can support fast charging at the same time, and can output 5V\/9V\/12V (requires mobile phone protocol support) voltage, output current is adaptive, single channel power consumption 24W, 4 channels module Power consumption 96W\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52628778811739,"sku":"TBD06017072","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD06017072.jpg?v=1773965990"},{"product_id":"waveshare-rail-mount-serial-server-rs485-to-wifi-ethernet-module-modbus-mqtt-gateway-21968","title":"Waveshare Rail-Mount Serial Server RS485 to WIFI\/Ethernet Module, Modbus MQTT Gateway, 21968","description":"\u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003eThis is a RS485 device data acquisitor \/ IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to HTTPD Client, etc. With RS485, WIFI and Ethernet ports, the module can realize functions such as serial to WIFI, serial to Ethernet, Ethernet to WIFI and so on. Using screw terminals for power input, it supports 5~36V wide range power supply. Rail-mount V0 flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety \u0026amp; security IoT, and intelligent instrument monitoring...\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003cbr\u003eOutline: \u003cbr\u003e1. Communication interface: RS485, screw terminal \u003cbr\u003e2. Power supply: 5 ~ 36V DC, screw terminal \u003cbr\u003e3. Case: PC + ABS, V0 flame retardant grade \u003cbr\u003e4. Dimensions: L x W x H: 109.66 x 28 x 64.71 mm \u003cbr\u003e \u003cbr\u003eComunication: \u003cbr\u003e1. Ethernet: 10 \/ 100M auto-negotiation RJ45 connector \u003cbr\u003e2. WIFI: 802.11b\/g\/n compliant \u003cbr\u003e3. Serial port: RS485 interface (Anti-surge, Lightningproof, Over-current protection) \u003cbr\u003e \u003cbr\u003eWireless specification: \u003cbr\u003e1. Frequency Band: 2.412 ~ 2.484 GHz \u003cbr\u003e2. Wireless network: Station \/ AP \/ AP+Station Mode \u003cbr\u003e3. Security mechanism: WPA-PSK \/ WPA2-PSK \u003cbr\u003e4. Encryption type: TKIP \/ AES \u003cbr\u003e5. Transmitting power:  \u003cbr\u003e- 802.11b: +19dBm (11Mbps) \u003cbr\u003e- 802.11g: +18dBm (54Mbps) \u003cbr\u003e- 802.11n: +17dBm (HT20, MCS7); +17dBm (HT40, MCS7) \u003cbr\u003e6. Receiving sensitivity: \u003cbr\u003e- 802.11b: -89dBm (11Mbps) \u003cbr\u003e- 802.11g: -81dBm (54Mbps) \u003cbr\u003e- 802.11n: -73dBm (HT20, MCS7); -71dBm (HT40, MCS7) \u003cbr\u003e \u003cbr\u003eSerial specification: \u003cbr\u003e1. Baudrate: 300 ~ 460800 bps \u003cbr\u003e2. Parity bit: None, odd, even, mark, space \u003cbr\u003e3. Data bit: 5 ~ 9 bits \u003cbr\u003e4. Flow control: N\/A \u003cbr\u003e \u003cbr\u003eSoftware \u003cbr\u003e1.Protocol: TCP \/ UDP \/ ARP \/ ICMP \/ DHCP \/ DNS \/ HTTP \/ MQTT \u003cbr\u003e2. Configuration: Host, web browser, serial AT command \u003cbr\u003e3. Communication method: TCP\/IP direct communication, VCOM \u003cbr\u003e4. Operating mode: Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU \u003cbr\u003e \u003cbr\u003eEnvironmental requirements \u003cbr\u003e1. Working temperature: -40 ~ 85 degree C \u003cbr\u003e2. Storage temperature: -45 ~ 125 degree C \u003cbr\u003e3. Humidity range: 5% ~ 95% relative humidity\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage List\u003c\/b\u003e\u003cbr\u003e1. RS485 TO WIFI\/ETH x 1 \u003cbr\u003e2. Antenna x 1\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"21968","offer_id":52628867940699,"sku":"DIY0282","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/DIY0282.jpg?v=1773970834"},{"product_id":"waveshare-flexible-rgb-full-color-led-matrix-panel-2-5mm-pitch-96x48-pixels-adjustable-brightness-bendable-pcb-23709","title":"Waveshare Flexible RGB Full-color LED Matrix Panel, 2.5mm Pitch, 96x48 Pixels, Adjustable Brightness Bendable PCB, 23709","description":"\u003cbr\u003e1. Pixel: 96 x 48=4608 dots\u003cbr\u003e2. Pitch: 2.5mm\u003cbr\u003e3. Pixel format: 1R1G1B\u003cbr\u003e4. Viewing angle: greater than 140 degrees\u003cbr\u003e5. Control mode: synchronous\u003cbr\u003e6. Drive: 1\/16 scan\u003cbr\u003e7. Connector: HUB75\u003cbr\u003e8. Power supply: 5V \/ 2.5A (VH4 connector input)\u003cbr\u003e9. Power: within 20W\u003cbr\u003e10. Size: 24 x 12cm\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e1. 4608 independent RGB led, full color display, brightness adjustable\u003cbr\u003e2. 96x48 pixels, 2.5mm pitch, allows displaying text, color image or animation\u003cbr\u003e3. 240x120mm size, moderate size, suitable for DIY desktop display or wall mount display\u003cbr\u003e4. Two HUB75 headers on board, 1 for controller data input, 1 output, chain support\u003cbr\u003e5. Flexible PCB material, can be gently bent, suitable for some application scenarios such as cylinders, spheres and other curved surfaces\u003cbr\u003e6. Provide open source development resources (for Raspberry Pi \/ Raspberry Pi Pico \/ ESP32 \/ Arduino, etc.)\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"23709","offer_id":52629277180251,"sku":"TBD01350857","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD01350857.jpg?v=1773978136"},{"product_id":"portable-dual-paddle-automatic-key-wireless-shortwave-morse-code-silver","title":"Portable Dual-Paddle Automatic Key Wireless Shortwave Morse Code, Silver","description":"\u003cbr\u003e1. The CW dual-paddle automatic key is compact and easy to carry.\u003cbr\u003e2. Made of high-strength aluminum alloy, the key paddles have a very small gap between them, offering excellent durability and smoother operation.\u003cbr\u003e3. It can be used in various situations and is an essential tool for amateur radio enthusiasts and shortwave radio communication.\u003cbr\u003e4. Dimensions: 4.98 x 3.2 x 2 cm\u003cbr\u003e5. Package contents:\u003cbr\u003e- CW dual-paddle automatic key x 1\u003cbr\u003e- 3.5mm audio cable x 1\u003cbr\u003e- Adjustment tool x 1\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Silver","offer_id":52629754249563,"sku":"TBD0606650901A","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0606650901A.jpg?v=1773993251"},{"product_id":"3-5mm-audio-dual-paddle-automatic-key-shortwave-radio-morse-code-titanium-gray-blue-red","title":"3.5mm Audio Dual-paddle Automatic Key Shortwave Radio Morse Code, Titanium Gray, Blue, Red","description":"\u003cbr\u003e1. Made of aluminum alloy using CNC machining.\u003cbr\u003e2. Compact size, easy to carry.\u003cbr\u003e3. It can be used in various situations and is an indispensable tool for radio enthusiasts.\u003cbr\u003e4. Cast base design for stable and solid transmission, robust structure, and non-slip feet on the bottom.\u003cbr\u003e5. Carbon fiber paddles, smooth to the touch, insulated and static-free.\u003cbr\u003e6. Adjustable contact gap; the rear contact structure uses knurled screws for direct finger adjustment.\u003cbr\u003e7. Dual-sided damping adjustment: magnetic damping, adjustable in both directions.\u003cbr\u003e8. 3.5mm key interface.\u003cbr\u003e9. Dimensions: 127 x 60 x 45 mm\u003cbr\u003e10. Net weight: 955g\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Titanium Gray \/ Titanium Gray","offer_id":52629754315099,"sku":"TBD0606651301A","price":165.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ Blue","offer_id":52629754347867,"sku":"TBD0606651301B","price":165.99,"currency_code":"USD","in_stock":true},{"title":"Red \/ Red","offer_id":52629754380635,"sku":"TBD0606651301C","price":165.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0606651301A.jpg?v=1773993267"},{"product_id":"waveshare-industrial-8-ch-analog-output-module-12-bit-da-conversion-modbus-rtu-analog-output-8ch-modbus-rtu-analog-output-8ch-b","title":"Waveshare Industrial 8-Ch Analog Output Module 12-Bit DA Conversion, Modbus RTU Analog Output 8CH, Modbus RTU Analog Output 8CH (B)","description":"\u003cbr\u003e1. Modbus RTU Analog Output 8CH is an industrial standard analog output module, supports 8-ch simultaneous output. Adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS.\u003cbr\u003e2. Supports setting device address (1 to 255) to cascade multiple devices via RS485 bus.\u003cbr\u003e3. On-board voltage regulator chip supports wide voltage supply from 7 to 36V.\u003cbr\u003e4. On-board integrated power isolation provides stable isolation voltage; the isolated end requires no additional power supply.\u003cbr\u003e5. On-board integrated magnetic coupling isolation enables signal isolation, with high reliability and strong anti-interference capability.\u003cbr\u003e6. On-board self-recovery fuse and TVS (Transient Voltage Suppressor) effectively suppress surge voltage and transient spike voltage in the circuit, protecting against overcurrent, overvoltage, lightning, and static electricity.\u003cbr\u003e7. 12-bit DA conversion with high-precision resistors ensures more accurate output data.\u003cbr\u003e8. Built-in watchdog ensures stable output without crashing.\u003cbr\u003e9. Rail-mounted enclosure design supports stackable combination, enabling easy installation and safer use.\u003cbr\u003e10. External 3 LED indicators for convenient viewing of MCU status and signal transmission\/reception status.\u003cbr\u003e \u003cbr\u003eParameters:\u003cbr\u003e1. Communication Interface: RS485\u003cbr\u003e2. Communication Baud Rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000\u003cbr\u003e3. Default Communication Format: 9600, N, 8, 1\u003cbr\u003e4. Modbus Protocol: Standard Modbus RTU Protocol \u003cbr\u003e5. Supply Voltage: DC 7 to 36V\u003cbr\u003e6. Output Mode: 8-channel current output \/ 8-channel voltage output \u003cbr\u003e7. Resolution: 12-bit, 1 microampere \/ 12-bit, 1 millivolt \u003cbr\u003e8. Range: 0~20mA \/ 0~10V\u003cbr\u003e9. Output Accuracy:  +\/-0.03mA  \/  +\/-0.01V\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Modbus RTU Analog Output 8CH","offer_id":52629796487515,"sku":"TBD0606706301","price":55.99,"currency_code":"USD","in_stock":true},{"title":"Modbus RTU Analog Output 8CH (B)","offer_id":52629796520283,"sku":"TBD0606706302","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0606706301.jpg?v=1773994485"},{"product_id":"waveshare-industrial-4-ch-pwm-output-module-modbus-rtu-rs485-adjustable-frequency-duty-cycle-modbus-rtu-pwm-output-4ch","title":"Waveshare Industrial 4-Ch PWM Output Module Modbus RTU RS485, Adjustable Frequency \u0026 Duty Cycle, Modbus RTU PWM Output 4CH","description":"\u003cbr\u003e1. This product is an industrial standard isolated RS485 to PWM pulse output module. Four channels of frequency and duty cycle are independently adjustable. It adopts Modbus RTU protocol and includes built-in protection circuits such as power isolation, magnetic coupling isolation, self-recovery fuse, and TVS.\u003cbr\u003e2. The output uses high-speed optocoupler isolation, and the output high-level voltage can be selected via internal jumpers.\u003cbr\u003e3. Four channels of PWM pulse output with frequency and duty cycle independently adjustable.\u003cbr\u003e4. Supports setting device address (1 to 255) to cascade multiple devices via the RS485 bus.\u003cbr\u003e5. On-board voltage regulator chip supports wide voltage supply from 7V to 36V.\u003cbr\u003e6. On-board integrated power isolation provides stable isolation voltage; the isolated end requires no additional power supply.\u003cbr\u003e7. On-board integrated magnetic coupling isolation enables signal isolation, with high reliability and strong anti-interference capability.\u003cbr\u003e8. On-board self-recovery fuse and TVS (Transient Voltage Suppressor) effectively suppress surge voltage and transient spike voltage in the circuit, protecting against overcurrent, overvoltage, lightning, and static electricity.\u003cbr\u003e9. Built-in watchdog ensures stable output without crashing.\u003cbr\u003e10. Rail-mounted enclosure design, compact size, easy installation.\u003cbr\u003e11. External 3 LED indicators for convenient viewing of power status and signal transmission\/reception status.\u003cbr\u003e \u003cbr\u003eParameters:\u003cbr\u003e1. Communication Interface: RS485 \u003cbr\u003e2. Communication Baud Rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 \u003cbr\u003e3. Default Communication Format: 9600, N, 8, 1 \u003cbr\u003e4. Modbus Protocol: Standard Modbus RTU Protocol \u003cbr\u003e5. Supply Voltage: DC 7V to 36V \u003cbr\u003e6. Output Voltage: Default 3.3V, can be set to 5V via internal jumper \u003cbr\u003e7. Output Current: Signal type, less than 30mA \u003cbr\u003e8. Pulse Frequency: 1Hz to 200KHz \u003cbr\u003e9. Frequency Resolution: 0.01Hz \u003cbr\u003e10. Frequency Accuracy: 0.5 percent (equivalent to 5 per mille)\u003cbr\u003e11. Duty Cycle: 0 to 100 percent \u003cbr\u003e12. Duty Cycle Resolution: 0.01 percent \u003cbr\u003e13. Duty Cycle Accuracy: 0.5 percent (1Hz to 50KHz), 1 percent (50KHz to 200KHz)\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Modbus RTU PWM Output 4CH","offer_id":52629797503323,"sku":"TBD06030512","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD06030512.jpg?v=1773994547"},{"product_id":"hw-318-12v-to-5v-buck-module-dc-dc-3a-dc-power-module-led-battery-car-voltmeter","title":"HW-318 12V To 5V Buck Module DC-DC 3A DC Power Module LED Battery Car Voltmeter","description":"\u003cbr\u003e1. Two-wire car voltmeter + 5.0V USB charging combo\u003cbr\u003e2. High-performance, multi-purpose, intelligent and user-friendly design\u003cbr\u003e3. If you don’t need to enable the switch, just disconnect the pointed line\u003cbr\u003e4. Ultra-wide range of voltmeter: DC4. 5~40V\u003cbr\u003e5. The output current capacity of 5.0V, 2A is enough to meet various USB devices, and the voltage is very stable. This module is short-circuited by D+D- by default, which is compatible with most mobile phone charging, and reserves the installation position of various mobile phone identification resistors. , If you need to add identification resistance, please cut off the wire connecting D+ D-\u003cbr\u003e6. Purpose: Ultra-wide input voltage, can be used for cars, battery cars, motorcycles, used to monitor the battery voltage, timely grasp the battery status, can be used for various voltage measurement purposes\u003cbr\u003e7. Note: The power module will become hot during normal use. If you are mindful of this heat or are sensitive to heat, please take it carefully.\u003cbr\u003e8. Weight: 13g\u003cbr\u003e9. Size: 58x21x10mm\u003cbr\u003e\u003cbr\u003eModule performance and highlights:\u003cbr\u003e1. The output current capacity of 5V\/2A (note: when the input voltage is 6.5~40V, the output voltage of 5.0V can be stabilized)\u003cbr\u003e2. With reverse connection protection, reverse connection will not burn\u003cbr\u003e3. With over-current and over-temperature protection\u003cbr\u003e4. With USB power indicator\u003cbr\u003e5. With wiring terminals, easy to access the line\u003cbr\u003e6. High efficiency, low ripple\u003cbr\u003e\u003cbr\u003eModule instructions:\u003cbr\u003eAfter the module is powered on, the voltage can be detected in real time. When you need to charge mobile phones, Ipads, MP3s and other digital products, just touch the \"output enable\" button. At this time, the USB power indicator lights up and the USB outputs 5.0V voltage; When you need to turn off the digital tube, touch the \"low power consumption\" button, and the module enters the ultra-low power standby mode, and the USB output is also turned off accordingly.\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632102994267,"sku":"TBD05722596","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05722596.jpg?v=1774012853"},{"product_id":"2-pcs-hw-602-usb-fan-governor-wind-speed-controller-air-volume-regulator-cooling-mute-multifunction-noise-reduction-switch-module","title":"2 PCS HW-602 USB Fan Governor Wind Speed Controller Air Volume Regulator Cooling Mute Multifunction Noise Reduction Switch Module","description":"\u003cbr\u003e1. Input voltage: DC4~12V\u003cbr\u003e2. Output voltage: DC2.5~8V\u003cbr\u003e3. Output power: 5W (do not use it with overload)\u003cbr\u003e4. Function description: suitable for common 5.0V USB fans on the market\u003cbr\u003e5. How to use: Plug the male head of the governor into a mobile phone charger, power bank, computer USB, etc., and then insert the fan plug into the female head of the governor to use\u003cbr\u003e6. Adjustment method: knob adjustment (clockwise increase, counterclockwise decrease)\u003cbr\u003e7. Features: strong wind and weak wind can be adjusted at will, fan stepless speed regulation, wide voltage input compatible with multi-speed power supply.\u003cbr\u003e8. The module is a speed-regulating fan module designed according to the principle of high-frequency switching power supply. The essence is to control the speed of the fan by adjusting the output voltage.\u003cbr\u003e9. Matters needing attention: When used to adjust the fan in two gears, please set the fan to the first gear, otherwise the speed may not be adjusted.\u003cbr\u003e10. Size: 50x18mm\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632160141659,"sku":"TBD05722750","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05722750.jpg?v=1774013155"},{"product_id":"hw-439-dc-dc-step-down-buck-converter-power-supply-module-xl4016e1-4-40v-to-1-25-36v-8a-200w-voltage-regulator","title":"HW-439 DC-DC Step Down Buck Converter Power Supply Module XL4016E1 4-40V to 1.25-36V 8A 200W Voltage Regulator","description":"\u003cbr\u003e1. Using XL4016 switch voltage regulator chip, with MBR20100 dual rectifier, the input voltage can reach 40V and output 1.25~36V continuously adjustable\u003cbr\u003e2. 180KHz fixed frequency PWE step-down (step-down) DC\/DC converter\u003cbr\u003e3. High efficiency and up to 8A load driving capacity\u003cbr\u003e4. Low ripple and excellent line and load regulation ability\u003cbr\u003e5. Built-in frequency compensation and fixed frequency oscillator\u003cbr\u003e6. Built-in over-current and short-circuit protection functions\u003cbr\u003e7. Built-in thermal shutdown function, output protection function, output overvoltage protection\u003cbr\u003e8. Voltage regulation method: PWM modulation\u003cbr\u003e9. Chip model: XL4016E1\u003cbr\u003e10. Type: DC\/DC power supply module\u003cbr\u003e11. Input voltage: DC4-40v\u003cbr\u003e12. Output range: DC1.25-36v\u003cbr\u003e13. Rated current: 8A\u003cbr\u003e14. Rated power: 200w\u003cbr\u003e15. Conversion efficiency: 94%\u003cbr\u003e16. Switching efficiency: 180Khz\u003cbr\u003e17. Size: 61x41x27mm\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632160600411,"sku":"TBD05722751","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05722751.jpg?v=1774013171"},{"product_id":"waveshare-type-c-usb-c-to-uart-high-band-rate-transmission-module-connectors-usb-c","title":"Waveshare Type-C \/ USB-C to UART High Band Rate Transmission Module Connectors, USB-C","description":"\u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003e1. Adopt new version CH343G chip. Compared with CH340G, it supports higher data rate (up to 6Mbps) and more serial port IO levels (5V \/ 3.3V \/ 2.5V \/ 1.8V) \u003cbr\u003e2. Support Mac, Linux, Android, Windows 7\/8\/8.1\/10\/11 \u003cbr\u003e3. Onboard resettable Fuse and Transient Voltage Suppressor, anti-overcurrent and anti-overvoltage, anti-surge, anti-static, improve shock resistance, stable and safe communication performance \u003cbr\u003e4. Onboard IO protection circuits, anti-surge, anti-static, stable and safe communication performance \u003cbr\u003e5. Onboard 3.3V and 5V TTL level switch pins for selecting TTL communication level \u003cbr\u003e6. Support 3.3V\/5V output (the module is powered by USB, and the onboard jumper should be shorted to 3.3V or 5V accordingly) \u003cbr\u003e7. Adopt double-sided black immersion gold process, which is durable and has a good look\u003cbr\u003e\u003cbr\u003e\u003cb\u003eIndictor Description\u003c\/b\u003e\u003cbr\u003e1. PWR: Power indicator, turn on when the voltage is detected from USB interface \u003cbr\u003e2. RXD: Receiving indicator, turn on when data is sent back from the device interface \u003cbr\u003e3. TXD: Sending indicator, turn on when data is sent from USB\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePinouts Definition\u003c\/b\u003e\u003cbr\u003e1. VCC: 5V or 3.3V output for external device (configured by jumper) \u003cbr\u003e2. GND: Ground \u003cbr\u003e3. TXD: Connects to MCU.RXD \u003cbr\u003e4. RXD: Connects to MCU.TXD \u003cbr\u003e5. RTS: Connects to MCU.CTS \u003cbr\u003e6. CTS: Connects to MCU.RTS\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003cbr\u003e1. Host interface: USB \u003cbr\u003e2. Device interface: UART \u003cbr\u003e3. Communication range: 50bps ~ 6Mbps \u003cbr\u003e4. USB device interface: USB Type-C \u003cbr\u003e5. Protection: resettable Fuse, ESD protection \u003cbr\u003e6. UART interface connector: 6-pin right-angle pinheader \u003cbr\u003e7. Protection: IO protection diode\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"USB-C","offer_id":52632186552667,"sku":"DIY0241","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/DIY0241.jpg?v=1774013635"},{"product_id":"waveshare-aluminum-heatsink-for-raspberry-pi-cm4-with-antenna-notch","title":"WAVESHARE Aluminum Heatsink for Raspberry Pi CM4, with Antenna Notch","description":"\u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003e1. Function of this aluminum heat sink is to cool down the board and make it operate safely \u003cbr\u003e2. The aluminum heat sink can reduce the risk of hardware failure because of overheating \u003cbr\u003e3. Essential for high-performance computing: Keeps module temperatures low to avoid overheating and throttling. \u003cbr\u003e4. Easy to install: Mounting holes \u0026amp; screws included. \u003cbr\u003e5. Matching with CM4 on size and mounting holes, fast heat dissipation\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage List\u003c\/b\u003e\u003cbr\u003e1. CM4-HEATSINK-B x 1 \u003cbr\u003e2. Screws and thermal tapes x 1\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632187306331,"sku":"DIY0277B","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/DIY0277B.jpg?v=1774013651"},{"product_id":"dc-5-30v-mos-led-display-automation-cycle-delay-timer-module-switch-control-delay-time-relay","title":"DC 5-30V MOS LED Display Automation Cycle Delay Timer Module Switch Control Delay Time Relay","description":"\u003cb\u003eAbout The Product\u003c\/b\u003e\u003cbr\u003e1.  Multi-function time relay module, 5~30V wide voltage power supply, MOS tube control output, no contact, no ignition, little interference.  \u003cbr\u003e2. Up to 10A control capability.  \u003cbr\u003e3. There are up to 31 working modes to meet various testing and automatic control applications.  \u003cbr\u003e4. The delay time is adjustable from 0.01 second to 999 minutes.  \u003cbr\u003e5. The trigger port can be triggered by a voltage signal or by connecting a button.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003cbr\u003e1. Power supply voltage: 5~30V \u003cbr\u003e2. Trigger terminal voltage: DC 3.3~30V (can also be triggered by button) \u003cbr\u003e3. Control current: 10A \u003cbr\u003e4. Module size: 63 x 42 x 14mm (length, width and height)\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUsing tips\u003c\/b\u003e\u003cbr\u003e1. Setting of working parameters: Press and hold the S1 button without letting go, the display will show P-xx after 0.5 seconds, press S2 and S3 to change the working mode.  \u003cbr\u003e2. After selecting the working mode, short press the S1 key to enter the A time setting, and the screen displays Axxx. At this time, press the S2 and S3 keys to modify the A time parameter. Short press the S2 and S3 keys to add or subtract 1, and long press to quickly add or subtract 10.  \u003cbr\u003e3. Press the S4 key to set the position of the decimal point. After setting the A time, press the S1 key to set the B time, and the screen displays bxxx. At this time, press the S2 and S3 keys to modify the B time parameter.  \u003cbr\u003e4. Short press the S2 and S3 keys to add or subtract 1, and long press to quickly add or subtract 10. Press the S4 key to set the position of the decimal point. After setting the B time, press the S1 key to set the C time, the screen displays Cxxx, at this time press the S2 and S3 keys to modify the c time parameter, short press the S2 and S3 keys to add or subtract 1, long press to quickly add or subtract 10, Press the S4 key to set the position of the decimal point.  \u003cbr\u003e5. After setting the c time, press the S1 key to enter the most setting of the d parameter. The d parameter is the number parameter, ranging from 1 to 999. After setting the d parameter, press the S1 key one last time to exit the setting state and save all parameters.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePoint Position\u003c\/b\u003e\u003cbr\u003e1. Ax.xx The decimal point is in hundreds, and the time range is 0.01~9.99 seconds \u003cbr\u003e2. Axx.x The decimal point is in the tens place, and the time range is 0.1~99.9 seconds \u003cbr\u003e3. Axxx. The decimal point is in the ones place, and the time range is 1~999 seconds \u003cbr\u003e4. Axxx has no decimal point and the time range is 1~999 minutes \u003cbr\u003e5. Turn off the display: In the non-setting state, press the S4 key to turn off the display, and then press it to turn it on again.\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632188158299,"sku":"DIY0550","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/DIY0550.jpg?v=1774013682"},{"product_id":"aluminum-heat-sink-cooling-for-chip-ic-led-transistor-power-memory-size-150x60x25mm","title":"Aluminum Heat Sink Cooling for Chip IC LED Transistor Power Memory, Size: 150x60x25mm","description":"\u003cul class=\"productAttributesList\"\u003e\u003c\/ul\u003e\u003cdiv\u003eFeature\u003cbr\u003e1. This aluminum heat sink is to cool down the board and make it operate safely\u003cbr\u003e2. Reducing the risk of hardware failure because of overheating. Various MOS tube\u003cbr\u003e3. Electronic Audio and Video, converter, circuit board, Power IC, Transistor etc\u003cbr\u003e\u003cbr\u003eSpecification\u003cbr\u003e1. Quantity of blade: 24\u003cbr\u003e2. Material: Aluminum\u003cbr\u003e3. Color: Silver\u003cbr\u003e4. Blade thickness: 1mm\u003cbr\u003e5. Base plate thickness: 2mm\u003cbr\u003e6. Size: 150 x 60 x 25mm\u003cbr\u003e7. Package included:\u003cbr\u003e- 1 x Aluminum heat sink 150 x 60 x 25mm\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632839913819,"sku":"TBD0481946","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0481946.jpg?v=1774023259"},{"product_id":"5-pcs-lm2596-dc-dc-high-power-step-down-car-power-module-lm2596-dc-dc","title":"5 PCS LM2596 DC-DC High-Power Step-Down Car Power Module, LM2596 DC-DC","description":"\u003cbr\u003e1. Input voltage: DC 3.2~40V\u003cbr\u003e2. Output voltage: 1.25~35V\u003cbr\u003e3. Output current: 3A\u003cbr\u003e4. Output ripple: Less than 30mv\u003cbr\u003e5. Switching frequency: 65Khz\u003cbr\u003e6. Working temperature: -45 to 85 degrees Celsius\u003cbr\u003e7. Size: 43x21x14mm\u003cbr\u003e8. Note: This is a step-down module, and the input voltage needs to be higher than the output voltage. The output current is greater than 2.5A (or the output power is greater than 10W), please add a heat sink to work for a long time\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"LM2596 DC-DC","offer_id":52632852365659,"sku":"TBD05721578","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05721578.jpg?v=1774023683"},{"product_id":"hw-281a-dc-5v-8-channel-relay-expansion-board-module-control-panel-with-indicator-plc-relay-8-channel-relay-module","title":"HW-281A DC 5V 8-Channel Relay Expansion Board Module Control Panel with Indicator PLC Relay, 8-Channel Relay Module","description":"\u003cbr\u003e1. Applicable to various platforms such as 51\/AVR\/AVR\/ARM\u003cbr\u003e2. Using high current relay, AC250V\/10A, DC30V\/10A\u003cbr\u003e3. Independent wiring of the contact part, safe and reliable\u003cbr\u003e4. Standard interface, which can be expanded on various development boards\u003cbr\u003e5. With fixing screw holes for easy installation\u003cbr\u003e6. Size: 138x56x19.3mm\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"8-Channel Relay Module","offer_id":52632852824411,"sku":"TBD05721761","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05721761.jpg?v=1774023705"},{"product_id":"2-pcs-hw-134a-a4988-red-board-stepper-motor-driver-module-heat-sink-for-3d-printer-a4988","title":"2 PCS HW-134A A4988 Red Board Stepper Motor Driver Module Heat Sink for 3D Printer, A4988","description":"\u003cbr\u003e1. Features: Higher copper content, good heat dissipation performance, strong current stability\u003cbr\u003e2. Manufacturing process: SMT placement machine manufacturing, non-manual welding, higher yield rate, more stable performance\u003cbr\u003e\u003cbr\u003eRemarks:\u003cbr\u003e1. A single-head printer requires 4 A4988 modules.\u003cbr\u003e2. A set of dual-nozzle printer requires 5 A4988 modules.\u003cbr\u003e4. Delivery list: A4988 module x 1, heat sink aluminum sheet x 1\u003cbr\u003e5. Matters needing attention: Please do not plug and unplug the motor and drive when the power is on, which will easily cause the drive to burn out; also do not adjust the current when the motor is running. The correct way is to first disconnect the power supply, unplug the motor, and then power on again, adjust the potentiometer, and measure the voltage on the potentiometer until the measured voltage is the same as expected. Do not plug in the reverse drive, otherwise it will burn out the drive and even the motherboard\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"A4988","offer_id":52632853184859,"sku":"TBD05721763","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05721763.jpg?v=1774023720"},{"product_id":"2-pcs-xh-a232-dual-channel-20w-high-power-digital-board-mp3-audio-power-amplifier-board-module-20w-dual-channel-mp3-audio-amplifier","title":"2 PCS XH-A232 Dual-Channel 20W High Power Digital Board MP3 Audio Power Amplifier Board Module, 20W Dual-channel MP3  Audio Amplifier","description":"\u003cbr\u003e1. Purpose: 3 digital audio power amplifier\u003cbr\u003e2. Output voltage: 8-24v\u003cbr\u003e3. Power amplifier type: Class D\u003cbr\u003e4. Output power: 20w\u003cbr\u003e5. Output impedance: 4-8 ohms\u003cbr\u003e6. Protection: output short circuit protection, overheating protection, function self-recovery\u003cbr\u003e7. Module size: 43x55x14mm\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"20W Dual-channel MP3  Audio Amplifier","offer_id":52632853479771,"sku":"TBD05721764","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05721764.jpg?v=1774023732"},{"product_id":"2-pcs-hw-064-xl4015-dc-adjustable-step-down-module","title":"2 PCS HW-064 XL4015 DC Adjustable Step-Down Module","description":"\u003cbr\u003e1. Type: Voltage Regulator IC\u003cbr\u003e2. Conversion efficiency: 96%\u003cbr\u003e3. Features: High power, high efficiency, low ripple, with power indicator, free heat sink\u003cbr\u003e4. Module nature: Non-isolated step-down module (BUCK)\u003cbr\u003e5. Input voltage: 4-38V (please try not to exceed 38V for input)\u003cbr\u003e6. Output voltage: 1.25-36V continuously adjustable\u003cbr\u003e7. Output current: 0-5A\u003cbr\u003e8. Output power: 75W\u003cbr\u003e9. Working temperature: -40 to 85 degrees Celsius\u003cbr\u003e10. Working frequency: 180KHz\u003cbr\u003e11. Wiring mode: welding, V-IN is input, V-OUT is output\u003cbr\u003e12. Load regulation rate: Input 24V, output 12V, measured when the load changes from 1 to 4.5A\u003cbr\u003e13. Voltage adjustment rate: When output 12V, 4A, when the voltage changes from 18~32V\u003cbr\u003e14. Short circuit protection: Limit current 8A\u003cbr\u003e15. Over-temperature protection: Automatically shuts off the output after over-temperature\u003cbr\u003e16. Installation method: 2 3mm screws\u003cbr\u003e17. Application range: Step-down fields where the input voltage is higher than the output voltage, such as batteries, power transformers, DIY adjustable stabilized power supplies, 24V car pen meter power supplies, industrial equipment step-down, 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V, 36V to 24V, etc.\u003cbr\u003e18. Dimensions: 54x23x15mm","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632859378011,"sku":"TBD05722599","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05722599.jpg?v=1774023756"},{"product_id":"5-pcs-hw-183-2a-boost-board-dc-boost-module-car-charging-usb-high-power-conversion-module-hw-183","title":"5 PCS HW-183 2A Boost Board DC Boost Module Car \/ Charging \/ USB \/ High Power Conversion Module, HW-183","description":"\u003cbr\u003e1. Ultra-wide input and output voltage, ultra-high conversion efficiency\u003cbr\u003e2. Small size and adjustable boost module, which can be easily installed in various small devices\u003cbr\u003e3. MicroUSB input can be used, and the common voltages of 9V, 12V, 15V, 18V, 24V can be easily obtained through the mobile phone data line with a USB charger or mobile power supply, which is very convenient to use\u003cbr\u003e4. Packing: individually packed in anti-static bag\u003cbr\u003e5. Type: voltage regulator IC\u003cbr\u003e6. Output current: 2A (recommended to use within 1A)\u003cbr\u003e7. Input voltage: 2 v--24 v\u003cbr\u003e8. Output voltage: 28 v (recommended to use within 26V)\u003cbr\u003e9. Size: 30x17x14mm\u003cbr\u003e\u003cbr\u003ePrecautions:\u003cbr\u003e1. This module is a boost module, the output voltage should be greater than the input voltage\u003cbr\u003e2. The peak current output current does not exceed 2A\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"HW-183","offer_id":52632860066139,"sku":"TBD05722603","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05722603.jpg?v=1774023771"},{"product_id":"zk-pp1k-pwm-signal-generator-1hz-150khz-pwm-pulse-frequency-duty-cycle-adjustable-square-wave-generator","title":"ZK-PP1K PWM Signal Generator 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Square Wave Generator","description":"\u003cbr\u003e1. Used to generate square wave rectangular wave signals for controlling DC motors or stepper motor drivers; used for servo motors, stepper motors, electric grippers, instead of PLC pulses, etc.\u003cbr\u003e2. The matching driver realizes dimming, speed control, solenoid valve control, etc., but it cannot directly drive loads such as electric lamp motor solenoid valves\u003cbr\u003e3. Two modes can be selected:\u003cbr\u003e- PWM mode a frequency (continuous) duty cycle. Note that the number of pulses cannot be set in this mode, and pulses are always sent;\u003cbr\u003e- PULSE pulse mode one positive pulse width time, negative pulse width time, delay start time, pulse number are adjustable.\u003cbr\u003e5. With start and stop button, you can also connect an external switch to control the output signal ON\/OFF.\u003cbr\u003e6. Wide voltage input 3.3-30V, with anti-reverse connection protection.\u003cbr\u003e7. The 5.08mm screw terminal is convenient for wiring, with a shell\u003cbr\u003e8. Working voltage: 3.3~30V, with anti-reverse connection protection\u003cbr\u003e9. Frequency range: 1Hz~150KHz, accuracy is about 1%\u003cbr\u003e10. Duty cycle range: 0-100%, 1% step\u003cbr\u003e11. Number of pulses: 1-9999, or infinite\u003cbr\u003e12. Delayed output time: 0.000s-9999s, the minimum can be set to 1ms\u003cbr\u003e13. Positive and negative pulse width length: 0.000s-9999s, the minimum can be set to 1ms\u003cbr\u003e14. Signal carrying capacity: less than 30mA\u003cbr\u003e15. Output signal amplitude: the amplitude is equal to the supply voltage\u003cbr\u003e16. Product size: 79mm x 43mm x 30mm\u003cbr\u003e17. Product weight: 40g","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632867668315,"sku":"TBD05959355","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05959355.jpg?v=1774023808"},{"product_id":"5-pcs-tda2030a-power-amplifier-board-module-audio-amplifier-module","title":"5 PCS TDA2030A Power Amplifier Board Module Audio Amplifier Module","description":"\u003cbr\u003e1. Onboard TDA2030A audio power amplifier chip\u003cbr\u003e2. Mono 18W power amplifier circuit design\u003cbr\u003e3. Onboard speaker terminal block\u003cbr\u003e4. Onboard 10K adjustable resistor, you can adjust the amplified volume\u003cbr\u003e5. Onboard power indicator\u003cbr\u003e6. The main pins of the chip have been led out, you can directly input audio signals\u003cbr\u003e7. Working voltage: 6～12V\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632869798235,"sku":"TBD05966426","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05966426.jpg?v=1774023830"},{"product_id":"5v-to-1-24v-dc-dc-usb-adjustable-power-supply-regulator-module-color-random-delivery-5v-to-1-24v","title":"5V To 1-24V DC-DC USB Adjustable Power Supply Regulator Module, Color Random Delivery, 5V To 1-24V","description":"\u003cbr\u003e1. Can be equipped with USB adapter board, Micro USB as input, easy to use\u003cbr\u003e2. The voltage regulator adopts a multi-turn precision long-handle potentiometer, which can be directly adjusted manually\u003cbr\u003e3. With a beautiful shell, the color of the output voltage display will be shipped randomly\u003cbr\u003e4. Input: USB 5V male input\u003cbr\u003e5. Output: 1-24V\u003cbr\u003e6. Power: up to 3W\u003cbr\u003e7. Size: about 7x2.3x1.3cm\u003cbr\u003e8. Weight: about 25g\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"5V To 1-24V","offer_id":52632875303259,"sku":"TBD06020887","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD06020887.jpg?v=1774023956"},{"product_id":"ads-b-1090mhz-antenna-gain-2-0dbi-frequency-range-1060-1120-mhz","title":"ADS-B 1090MHZ Antenna Gain 2.0dBi Frequency Range 1060-1120 MHz","description":"\u003cbr\u003e1. Material: electronic components\u003cbr\u003e2. Gain: 2.0dBi\u003cbr\u003e3. Frequency range: 1060-1120 MHz\u003cbr\u003e4. The antenna can be fixed on a conductive object connected to the ground, which can reduce electrostatic coupling interference\u003cbr\u003e5. Size: 17.9 x 2cm\u003cbr\u003e6. Weight: about 15 grams\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52632878088539,"sku":"TBD06022900","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD06022900.jpg?v=1774023998"},{"product_id":"5-pcs-iic-i2c-interface-lcd1602-lcd-screen-adapter-board-lcd1602","title":"5 PCS IIC \/ I2C \/ Interface LCD1602 LCD Screen  Adapter board, LCD1602","description":"\u003cbr\u003e1. Support I2C protocol\u003cbr\u003e2. With backlight power control, you can set whether to connect the backlight power through the jumper cap. Plug in the jumper cap to connect the backlight power, unplug the jumper cap to disconnect the backlight power\u003cbr\u003e3. The contrast can be adjusted. Rotate the blue potentiometer to increase clockwise and decrease counterclockwise. The potentiometer is designed on the front, which is convenient for customers to adjust freely anytime and anywhere\u003cbr\u003e4. Modules can be cascaded, up to 8 can be cascaded. Modify the device address by shorting A0\/A1\/A2. The default address is 0x27\u003cbr\u003e5. Weight: 5g\u003cbr\u003e6. Size: 41.5x19x15.3mm\u003cbr\u003e8. Power supply voltage: 2.5-6v\u003cbr\u003e9. Note: LCD screen is not included\u003cbr\u003e10. Delivery list: one IC module (pearl cotton + anti-static packaging\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"LCD1602","offer_id":52633048187227,"sku":"TBD0572155701A","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0572155701A.jpg?v=1774026972"},{"product_id":"10-pcs-hw-107-5v-1a-micro-usb-battery-charging-board-charger-module-hw-107","title":"10 PCS HW-107 5V 1A Micro USB Battery Charging Board Charger Module, HW-107","description":"\u003cbr\u003e1. The input terminal has a MICRO USB female socket, you can directly use the mobile phone charger as an input to charge the lithium battery, and there are still input voltage wiring solder joints, which can be very convenient for DIY\u003cbr\u003e2. Power supply voltage: 5v\u003cbr\u003e3. Power supply current: 1A\u003cbr\u003e4. Purpose: Electric toys\u003cbr\u003e5. Charging cut-off voltage: 4.2v\u003cbr\u003e6. Large charging current: 1000mA\u003cbr\u003e7. Battery over-discharge protection voltage: 2.5v\u003cbr\u003e8. Battery overcurrent protection current: 3A\u003cbr\u003e9. Board size: 2.6x1.7cm\u003cbr\u003e10. Note: The load on the OUT terminal should be disconnected when charging, and the positive and negative poles should not be connected wrongly. Please use it according to the specifications, otherwise it will be directly damaged.\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"HW-107","offer_id":52633048678747,"sku":"TBD0572156301A","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0572156301A.jpg?v=1774026985"},{"product_id":"9-axis-attitude-gyro-accelerator-magnetometer-sensor-board-module-hw-423","title":"9-Axis Attitude + Gyro + Accelerator + Magnetometer Sensor Board Module, HW-423","description":"\u003cbr\u003e1. Using heavy gold PCB, machine welding process to ensure quality\u003cbr\u003e2. Chip built-in 16bit AD converter, 16-bit data output\u003cbr\u003e3. Communication method: standard IIC\/SPI communication protocol\u003cbr\u003e4. Power supply: 3-5v\u003cbr\u003e5. Use chip: MPU-9250\u003cbr\u003e6. Pin spacing: 2.54mm\u003cbr\u003e7. Size: 15x25mm\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"HW-423","offer_id":52633049399643,"sku":"TBD0572159801","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0572159801.jpg?v=1774027008"},{"product_id":"3-pcs-diy-bluetooth-4-1-audio-receiver-module-mp3-bluetooth-decoder-board-car-speaker-audio-amplifier-board-bluetooth-4-1","title":"3 PCS DIY Bluetooth 4.1 Audio Receiver Module MP3 Bluetooth Decoder Board Car Speaker Audio Amplifier Board, Bluetooth 4.1","description":"\u003cbr\u003eParameter:\u003cbr\u003e1. Power supply voltage: DC 3.7-5V\u003cbr\u003e2. Power supply interface: MICRO USB port or 2.54mil pin port\u003cbr\u003e3. Length, width and height: 3.3x3.5x1.1cm\u003cbr\u003e4. Bluetooth name: BM3\u003cbr\u003e5. Bluetooth password: 1688 (you need to enter the password to connect and cannot be modified)\u003cbr\u003e6. Communication distance: 3-12 meters (different due to environmental obstacles)\u003cbr\u003e7. Support Bluetooth version: Support Bluetooth 4.1 or below\u003cbr\u003e8. Support mobile phone system: Android, IOS system\u003cbr\u003e9. Channel: dual channel\u003cbr\u003e10. Audio quality: MP3 lossless decoding\u003cbr\u003e11. Built-in power amplifier: none\u003cbr\u003e12. External power amplifier: does not limit the small external power amplifier\u003cbr\u003e13. PCB thickness: 1.6mm\u003cbr\u003e14. Needle spacing: 2.54mil\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e1. Have a Bluetooth connection password to prevent others from mistakenly connecting and operating.\u003cbr\u003e2. Ultra-small size, easy to be embedded in modified products\u003cbr\u003e3. Two-channel stereo output, compatible with most power amplifiers, home audio and video, car audio and other equipment in the market\u003cbr\u003e4. Standard MICRO MINI USB 5P interface, the same Android phone charging port can be powered by the phone data cable\u003cbr\u003e5. Specific DIY embedded refitting pins, which can be plugged in and soldered on your own circuit board for refitting\u003cbr\u003e6. High-fidelity output circuit, resistance-capacitance isolation, no noise, good sound quality\u003cbr\u003e7. Wireless plug-in U disk, memory card and button settings, pure mobile phone operation connection to play MP3\u003cbr\u003e8. Equipped with 1 status pin, which can be used by professionals, such as combining single-chip microcomputer and relay switch to realize music desk lamp.\u003cbr\u003e\u003cbr\u003eApplication scenarios:\u003cbr\u003e- Car audio modification, home audio modification\u003cbr\u003e- Personal DIY Bluetooth audio, electronic project production\u003cbr\u003e- Square dance sound, outskirt sound modification\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Bluetooth 4.1","offer_id":52633065750875,"sku":"TBD0596641901A","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0596641901A.jpg?v=1774027342"},{"product_id":"xh-m273-dc12-24v-microphone-amplifier-board-k-song-singing-power-amplifier-board-reverberation-board","title":"XH-M273 DC12-24V Microphone Amplifier Board K Song Singing Power Amplifier Board, Reverberation Board","description":"\u003cbr\u003e1. Using PT2399 reverberation chip, with NE5532 op amp, it can mix human voice and music, which can realize independent adjustment of music volume, microphone volume and reverberation time to achieve K song effect\u003cbr\u003e2. It can be used for DC 12-24V power supply or AC 5-12V, which can be directly used for various digital power amplifier boards. If the power supply voltage is the same, the power supply can be shared\u003cbr\u003e3. Input voltage: DC12-24V\u003cbr\u003e4. Reverberation chip: PT23999\u003cbr\u003e5. Microphone input: 2\u003cbr\u003e6. Knob spacing: 24MM Microphone spacing: 17.6MM\u003cbr\u003e7. Output channel: 2 channels\u003cbr\u003e8. Frequency response range: 25HZ-17KHZ\u003cbr\u003e9. Appearance size: 117 x 53MM\u003cbr\u003e10. Weight: 75 grams\u003cbr\u003e11. Note: Only adjustable loop microphones can be used, other microphones such as condenser microphones, pole microphones, and headphone microphones are not available.\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Reverberation Board","offer_id":52633065947483,"sku":"TBD0596643701","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0596643701.jpg?v=1774027353"},{"product_id":"tb6560-3a-10v-35v-stepper-motor-driver-controller-board","title":"TB6560 3A 10V-35V Stepper Motor Driver Controller Board","description":"\u003cbr\u003e1. The working voltage is DC 10V-35V. It is recommended to use a switching power supply DC24V for power supply.\u003cbr\u003e2. Using 6N137 high-speed optical coupling to ensure high speed without losing step.\u003cbr\u003e3. Using Toshiba TB6560AHQ chip, there are built-in low-voltage shutdown, overheating shutdown and overcurrent protection circuits to ensure performance.\u003cbr\u003e4. The rated output (max) is: +\/-3A, with a vertex value of 3.5A.\u003cbr\u003e5. It is suitable for two-phase\/four-phase\/four-wire\/six-wire stepping motor with 42,57 stepping within 3A, but not suitable for stepping motor with more than 3A.\u003cbr\u003e6. Automatic half-flow function.\u003cbr\u003e7. Subdivision: Full step, half step, 1\/8 step, 1\/16 step, maximum 16 subdivision.\u003cbr\u003e8. Dimensions: Width 50 x length 75 x height 35 (MM)\u003cbr\u003e9. Weight: 83G\u003cbr\u003e10. This module does not have any protection circuit, so you must be very careful when using it, otherwise the chip is easy to burn out.\u003cbr\u003e\u003cbr\u003eFeatures in similar products:\u003cbr\u003e1. The current level can be adjusted step by step to meet your multiple application requirements.\u003cbr\u003e2. Automatic half flow is adjustable.\u003cbr\u003e3. Using 6N137 high-speed optical coupling to ensure high speed without losing step.\u003cbr\u003e4. The board printing instructions can be operated without manual.\u003cbr\u003e5. Adopt thick and densely toothed radiator for good heat dissipation.\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52633066963291,"sku":"TBD0599533201A","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0599533201A.jpg?v=1774027389"},{"product_id":"xy-l10a-6-60v-cnc-full-power-off-over-charge-protection-switch","title":"XY-L10A 6-60V CNC Full Power Off Over Charge Protection Switch","description":"\u003cbr\u003e1. Both 6-60V batteries and lithium batteries can be used\u003cbr\u003e2. LCD display, battery voltage, charging percentage and charging time at a glance\u003cbr\u003e3. Powerful functions, can automatically charge control, can control the charging time, can set and upload the corresponding parameters through the serial port\u003cbr\u003e4. Control voltage: DC6-60V\u003cbr\u003e5. Control current: within 10A\u003cbr\u003e6. Output type: direct output of various accumulators, lithium batteries\u003cbr\u003e7. Appearance size: about 7.9x4.2 cm\u003cbr\u003e8. Weight: about 30 grams\u003cbr\u003e\u003cbr\u003eFunction Description:\u003cbr\u003e1. Automatic charging control function: by setting the upper limit voltage UP and lower limit voltage dn; when the battery voltage is less than or equal to the lower limit voltage dn, the relay is turned on, and the charger starts to charge the battery; when the battery voltage is greater than or equal to the upper limit voltage UP, the relay is turned off, Complete an automatic charge\u003cbr\u003e2. Charging time control function\u003cbr\u003e3. Serial data upload and parameter setting function: The system supports UART data upload and parameter setting function (TTL level)\u003cbr\u003e\u003cbr\u003eparameter settings:\u003cbr\u003e1. Press and hold the SET button to enter the parameter setting interface, the LCD will display SET\u003cbr\u003e2. After entering the parameter setting interface, short press the SET key to switch the set parameters\u003cbr\u003e3. After selecting the parameter, you can set it through the UP\/DOWN key, support short press, long press (rapid increase or decrease)\u003cbr\u003e4. To set other parameters, repeat steps 2\/3\u003cbr\u003e5. After all parameter settings are completed, long press the SET button to exit and save\u003cbr\u003e\u003cbr\u003eButton function description:\u003cbr\u003eIn the running interface (main interface):\u003cbr\u003e1. Short press the SET button to display the currently set parameters\u003cbr\u003e2. Short press the UP button to switch to display the charging percentage and charging time\u003cbr\u003e3. Short press the DOWN button to select on\/off the relay enable. If the relay enable is turned off, OFF will be displayed as a reminder and the relay is disconnected.\u003cbr\u003e4. Press and hold the UP button to set the status of the LCD backlight (L-P), the OFF backlight is always on, and the ON backlight will automatically turn off after 5-10 minutes\u003cbr\u003e5. Long press the SET button to enter the parameter setting\u003cbr\u003e\u003cbr\u003eAdditional features:\u003cbr\u003e1. Charging time recording function: When the charging time control is not turned on, the product will record a complete time. When entering the time display interface, the charging time will flash and display, and then exit the time display interface or clear it when the next charging is turned on (the relay is turned on).\u003cbr\u003e2. Parameter automatic detection: after setting the parameters and exiting, if the lower voltage limit dn is greater than or equal to the upper limit voltage up, the system will flash ERR as a reminder\u003cbr\u003e3. Battery connection detection: this product is attached to the battery, if the battery is not connected, the system will display nbE in the lower line as a reminder\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52633098715483,"sku":"TBD0602078501A","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0602078501A.jpg?v=1774027947"},{"product_id":"high-precision-rx8025t-digital-clock-module-led-digital-tube-electronic-clock","title":"High-Precision RX8025T Digital Clock Module LED Digital Tube Electronic Clock","description":"\u003cbr\u003e1. Three-in-one electronic clock module, integrating three practical functions: time, thermometer and voltmeter\u003cbr\u003e2. Using RX8025T clock chip, the timing accuracy is stable\u003cbr\u003e3. The lengthened temperature probe can effectively solve the problem that the temperature affected by the module temperature is not accurate enough\u003cbr\u003e4. Power supply voltage: DC5.0-30V\u003cbr\u003e5. Temperature function range: -40-120 degrees Celsius, resolution 0.1\u003cbr\u003e6. Voltmeter function range: DC5-30V (requires pure DC power supply, it is not recommended to use 24V battery, because the voltage may be too high during charging and burn)\u003cbr\u003e7. Size: about 4x1.4x1.3cm\u003cbr\u003e\u003cbr\u003eFunction and usage instructions:\u003cbr\u003e1. Adjust time, date, year, voltage error, temperature error cycle display item definition, alternate display interval time\u003cbr\u003e2. In the non-setting state, press the left key to enter the time adjustment (note that the colon in the middle is bright):\u003cbr\u003e- At this time, the minute bar starts to flash, press the right button to increase, the adjustment range is 00-59, after adjusting, press the left button again, the hour bar starts to flash, press the right button to increase, the adjustment range is 00-23\u003cbr\u003e- After adjusting the hour, press the left button again to enter the date adjustment (note that the colon in the middle is off), at this time the date column starts to flash, press the right button to increase, the adjustment range is 1-31, after the date is adjusted, press the left button again key, the month column starts to flash, press the right key to increase, the adjustment range is 1-12, after adjusting the date, press the left key again, the year column starts to flash, press the right key to increase, the adjustment range is 2012-2049\u003cbr\u003e- After adjusting the year, press the left key again to enter the error calibration function of the displayed voltage, the unit is 0.1V, a positive number means increase, and a negative number means decrease\u003cbr\u003e- Then press the left key again to enter the temperature error calibration setting, press the right key to increase, a positive number means increase, a negative number means decrease, the unit is Celsius\u003cbr\u003e- Press the left button again to enter the definition function dd option of the display item in the cycle display state,\u003cbr\u003ePress the right button to change the value: (dd:0) time + temperature + voltage, (dd: 1) time + temperature, (dd: 3) time + voltage\u003cbr\u003e- Press the left button again to enter the cycle display alternate interval time dF option, press the right button to change the value, the larger the value, the longer the interval\u003cbr\u003e- Press the left button again to save all the set values ??and return to the normal display state\u003cbr\u003e3. Switch display items: in the non-setting state, press the right key to switch the display items, and the display will switch between the time-date-temperature-voltage alternate display\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Red","offer_id":52633099632987,"sku":"TBD0602080601A","price":18.99,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":52633099665755,"sku":"TBD0602080601B","price":18.99,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":52633099698523,"sku":"TBD0602080601C","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0602080601A.jpg?v=1774027964"},{"product_id":"jq-d102bt-with-amplifier-recording-calls-mp3-bluetooth-decoder-board-module-jq-d102bt","title":"JQ-D102BT With Amplifier Recording Calls MP3 Bluetooth Decoder Board Module, JQ-D102BT","description":"\u003cbr\u003e1. Dual decoding supports music in MP3\/WMA\/WAV\/FLAC\/APE lossless decoding format\u003cbr\u003e2. Support bluetooth call function, power off memory function\u003cbr\u003e3. Support MMC\/SD\/MMA and other cards, support USB interface (U disk)\u003cbr\u003e4. Support external audio source input LINE IN\u003cbr\u003e5. Support radio FM, search frequency band (87.5MHZ-108.0MHZ)\u003cbr\u003e6. Mobile phone Bluetooth connection matching fast, low-power decoding scheme\u003cbr\u003e7. Application areas: speakers, tricycles, vans, buses, trolley speakers, power amplifiers, etc.\u003cbr\u003e8. Bluetooth transmission distance: within 20 meters\u003cbr\u003e9. Radio channel: 87.5Mhz-108Mhz\u003cbr\u003e10. Voltage input: DC 5V\u003cbr\u003e11. Amplifier: 2 x 3W\u003cbr\u003e12. Function: Bluetooth 5.0+lossless decoding+call+radio FM+AUX+USB+TF card\u003cbr\u003e13. Speaker: 4 ohms, 3W\u003cbr\u003e14. Buttons: three-button control, VOL-\/AUTO\/VOL+\u003cbr\u003e15. Dimensions: 71 x 22mm\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"JQ-D102BT","offer_id":52633128337755,"sku":"TBD0602591901A","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0602591901A.jpg?v=1774028545"},{"product_id":"waveshare-dedicated-cooling-fan-for-jetson-tx2-nx-for-jetson-tx2-nx","title":"Waveshare Dedicated Cooling fan for Jetson TX2 NX, For Jetson TX2 NX","description":"1. Module Support: NVIDIA Jetson TX2 NX Module \u003cbr\u003e2. Power supply: DC 5V input \u003cbr\u003e3. Structure: Embedded fan, aluminum alloy shell \u003cbr\u003e4. Electrical parameters: 0.65W (5V\/0.13A) \u003cbr\u003e5. Cable length: 37+\/-3mm \u003cbr\u003e6. Fan: PWM speed control, 5500+\/-10%RPM\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"For Jetson TX2 NX","offer_id":52633163104603,"sku":"DIY0584","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/DIY0584.jpg?v=1774029473"},{"product_id":"waveshare-aluminum-case-type-f-for-jetson-nano-development-kit","title":"Waveshare Aluminum Case Type F for Jetson Nano Development Kit","description":"\u003cb\u003eAbout The Product\u003c\/b\u003e\u003cbr\u003e1. The case is currently only compatible with the old version of the Jetson Nano Developer Kit B01, which is made from Waveshare. Other third-party kits or the new version of the Jetson Nano Developer Kit B01 are not currently supported. \u003cbr\u003e2. The difference between the new version of the Jetson Nano Developer Kit B01 and the old version of the Developer Kit B01: \u003cbr\u003e- Please pay attention to checking the HDMI and DP sockets of the kit. If the HDMI\/DP socket covered with a metal outer layer is a new version. But this case is not currently supported. If there is no metal cladding on the sockets--the old version of the B01 kit, the case can be supported. \u003cbr\u003e- If you are using the A02 version of the Jetson Nano developer kit, note that the positions of the button interfaces are different.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003e1. High-quality aluminum Case Designed for the Jetson Nano \u003cbr\u003e2. Chamfered corners,  more comfortable and smoother \u003cbr\u003e3. Reserved airflow outlets on three sides, and built-in fan is opened on the top for excellent heat dissipation \u003cbr\u003e4. Exquisite workmanship, beautiful fit \u003cbr\u003e5. Equipped with silicone non-slip feet, more stable placement: Reduce the heat dissipation of the bottom contact area\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage List\u003c\/b\u003e\u003cbr\u003e1. Aluminum body case(top and bottom) x 1 \u003cbr\u003e2. GPIO adapter  x 1 \u003cbr\u003e3. Button cable  x 1 \u003cbr\u003e4. Nonskid feet 4pcs  x 1 \u003cbr\u003e5. Button 2pcs  x 1 \u003cbr\u003e6. Button board  x 1 \u003cbr\u003e7. Allen spanner  x 1 \u003cbr\u003e8. Allen screws pack  x 1\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52633163333979,"sku":"DIY0585","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/DIY0585.jpg?v=1774029494"},{"product_id":"official-heatsink-for-jetson-nano","title":"Official Heatsink for Jetson Nano","description":"\u003cb\u003eFeatures\u003c\/b\u003e\u003cbr\u003e1. Function of this aluminum heat sink is to cool down the board and make it operate safely \u003cbr\u003e2. The aluminum heat sink can reduce the risk of hardware failure because of overheating \u003cbr\u003e3. Essential for high-performance computing: Keeps module temperatures low to avoid overheating and throttling. \u003cbr\u003e4. Safe for use: Spring mounting interface keeps excessive pressure off the Jetson Nano module. \u003cbr\u003e5. Compatible with Jetson Nano Module, with elastic bracket and height-limited screws \u003cbr\u003e6. Easy to install: Mounting holes \u0026amp; screws included.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage List\u003c\/b\u003e\u003cbr\u003e1. NANO-HEATSINK x1 \u003cbr\u003e2. Elastic bracket and height-limited screws x1\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52633165037915,"sku":"DIY1250B","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/DIY1250B.jpg?v=1774029589"},{"product_id":"20a-300w-high-power-synchronous-rectification-power-supply-step-down-module-20a","title":"20A 300W High Power Synchronous Rectification Power Supply Step-down Module, 20A","description":"\u003cbr\u003e1. Module properties: synchronous rectification non-isolated buck constant current constant voltage module CC CV charging module\u003cbr\u003e2. Scope of application: high-power LED constant current drive, lithium battery charging (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, nickel-cadmium nickel-metal hydride battery (battery pack) charging, solar panels, wind turbines\u003cbr\u003e3. Input voltage: 6-40VDC\u003cbr\u003e4. Output voltage: continuously adjustable (1.2-35VDC) below 32V for a long time (applicable to applications where the input voltage is higher than the output voltage and cannot be boosted)\u003cbr\u003e5. Output current: maximum 20A, long-term within 15A (please add a fan to dissipate heat when the power tube temperature exceeds 65 degrees, and use a reduced rating for high voltage output)\u003cbr\u003e6. Current limiting range: 0.2-20A (adjustment) please add a fan if the module exceeds 65 degrees\u003cbr\u003e7. Low voltage difference: 3V\u003cbr\u003e8. Operating frequency: 150KHZ\u003cbr\u003e9. Conversion efficiency: about 96% high, efficiency is related to voltage difference and use environment\u003cbr\u003e10. Output ripple: ripple about 50mV (excluding noise) 20M bandwidth (for reference only) input 24V measured\u003cbr\u003e11. Working temperature: -10 to +75 degrees Celsius (please pay attention to the power tube temperature in actual use, if the temperature is too high, please increase heat dissipation or use it at a reduced rating)\u003cbr\u003e12. Potentiometer adjustment direction: clockwise (increase), counterclockwise (decrease)\u003cbr\u003e13. Output short circuit protection: yes (instantaneous protection) constant current (the current constant current value cannot be short-circuited for a long time)\u003cbr\u003e14. Input reverse connection protection: no\u003cbr\u003e15. Output anti-reverse current: no, for loads with self-power or inductive loads, an external diode is required!\u003cbr\u003e16. Wiring method: Wiring terminal\u003cbr\u003e17. Size: 60x53x30mm\u003cbr\u003e18. Weight: about 85 grams\u003cbr\u003e\u003cbr\u003eOutput current adjustment method:\u003cbr\u003e1. Adjust the CV potentiometer to set the output voltage to the voltage value you need according to your load requirements\u003cbr\u003e2. Set the CC potentiometer counterclockwise for about 30 turns (that is, set the output current to a small value), connect the LED, and adjust the CC potentiometer to the current you need. For battery charging, discharge the battery, then connect it to the output, and adjust CC to the current you need (when used for charging, you must use a discharged battery to adjust it accurately, because the more power left in the battery, the smaller the charging current)\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"20A","offer_id":52633313575259,"sku":"TBD0605261201A","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0605261201A.jpg?v=1774031819"},{"product_id":"waveshare-rgb-full-color-led-matrix-panel-2-5mm-pitch-64x32-pixels-adjustable-brightness-23707-23707","title":"Waveshare RGB Full-color LED Matrix Panel, 2.5mm Pitch, 64x32 Pixels, Adjustable Brightness, 23707, 23707","description":"\u003cbr\u003e1. Pixel: 64 x 32=2048 dots\u003cbr\u003e2. Pitch: 2.5mm\u003cbr\u003e3. Pixel format: 1R1G1B\u003cbr\u003e4. Viewing angle: greater than 140 degrees\u003cbr\u003e5. Control mode: synchronous\u003cbr\u003e6. Drive: 1\/16 scan\u003cbr\u003e7. Connector: HUB75\u003cbr\u003e8. Power supply: V \/ 2.5A (VH4 connector input)\u003cbr\u003e9. Power: within 12W\u003cbr\u003e10. Size: 16 x 8cm\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e1. 2048 independent RGB led, full color display, adjustable brightness\u003cbr\u003e2. 64x32 pixels, 2.5mm pitch, allows displaying text, color images or animations \u003cbr\u003e3. 160x80mm size, moderate size, suitable for DIY desktop display or wall mount display\u003cbr\u003e4. Two HUB75 headers on board, 1 for controller data input, 1 output, chain support\u003cbr\u003e5. Provide open source development resources (for Raspberry Pi \/ Raspberry Pi Pico \/ ESP32 \/ Arduino, etc.)\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"23707","offer_id":52634724073819,"sku":"TBD01350638","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD01350638.jpg?v=1774039853"},{"product_id":"pds100-qc4-0-pd3-0-type-c-dc-12-28v-100w-step-down-mobile-phone-quick-charger-module-for-huawei-scp-fcp-ios-pd","title":"PDS100 QC4.0 PD3.0 Type-C DC 12-28V 100W Step Down Mobile Phone Quick Charger Module for Huawei SCP\/FCP iOS PD","description":"\u003cbr\u003e1. Material: Aluminum alloy shell\u003cbr\u003e2. Power supply voltage: DC12-28V\u003cbr\u003e3. Power: 100W\u003cbr\u003e4. Input: DC+TYPE-C dual port input\u003cbr\u003e5. Support fast charge protocol: PD2.0 PD3.0 PPS, For Qualcomm QC4+\/QC3.0, For Huawei SCP\/FCP, For OPPO VOOC, For OnePlus DASH, For iOS 2.4A, For Samsung AFC, For VIVO 9V 2A dual engine, For MediaTek PE2.0\u003cbr\u003e6. Features:Exquisite and small, the digital tube displays the current and voltage, can switch the display content intelligently, and has strong compatibility. After the fast charge protocol is activated, the digital tube will display the output fast charge protocol type.\u003cbr\u003e7. Weight: About 60 grams\u003cbr\u003e8. Size: About 5.3x4.6x2.1 cm\u003cbr\u003e\u003cbr\u003eInstructions for use:\u003cbr\u003e1. Withstand voltage within 32V, it is recommended to use within 28V. This module is a pure step-down module and has no boost function. If you want to use 20V output, you must use a DC power supply above 21V; low voltage can reach 6V, but 6V is mostly fast the charge will not be activated, and the output power of 100W can only be reached when the PD is output (PD20V, 5A)\u003cbr\u003e2. For low-voltage and high-current fast charging, please use the original data cable. If you want to measure the charging voltage and current, you must use a low-resistance USB meter, otherwise the charging current will be affected.\u003cbr\u003e3. OPPO and OnePlus mobile phones must use USB port for charging, QC4+\/QC4.0\/PD3.0 and other protocols must use TYPE-C port\u003cbr\u003e4. When the USB port and TYPE-C port are plugged into the mobile phone at the same time, both ports are 5V output\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Default Title","offer_id":52634831487323,"sku":"TBD05722298","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD05722298.jpg?v=1774040811"},{"product_id":"adjustable-constant-voltage-constant-current-liquid-crystal-lcd-multi-display-pcb","title":"Adjustable Constant Voltage Constant Current Liquid Crystal LCD Multi-Display, PCB","description":"\u003cbr\u003e1. Input voltage: 6.5-36V (the input voltage is lower than 6.5V, the current accuracy is inaccurate, and the LCD display is abnormal if it is lower than 5.5V)\u003cbr\u003e2. Output voltage: 1.2-32V, the default output is 5V step-down type, the output voltage can only be lower than the input voltage, and the voltage difference is more than 2V\u003cbr\u003e3. Output current: It can work stably at 3.5A for a long time, and it can reach about 4.5A with fan enhanced heat dissipation (adjustable limit current can reach about 4.2-4.5A)\u003cbr\u003e4. Output power: natural heat dissipation 50W (within 3.5A), plus fan to enhance heat dissipation 75W\u003cbr\u003e5. Voltage display: resolution 0.05V, range 1.2-32V\u003cbr\u003e6. Current display: resolution 0.005A, range 0-4.5A\u003cbr\u003e7. Conversion efficiency: about 94%, depending on the voltage difference and current efficiency\u003cbr\u003e8. Working current: about 30mA\u003cbr\u003e9. Input reverse polarity protection: yes\u003cbr\u003e10. Anti-backflow at the output: no (if charging the battery, first power on the module and then connect the battery, and ensure that the battery voltage is lower than the output voltage; if possible, connect an anti-backflow diode in series with the output positive pole)\u003cbr\u003e11. Short circuit protection: yes\u003cbr\u003e12. Size: about 70.5x48.4x28mm\u003cbr\u003e13. Weight: about 65g\u003cbr\u003e \u003cbr\u003eFeatures:\u003cbr\u003e1. Crystal shell, beautiful design, good touch texture of buttons, and output voltage set by button\u003cbr\u003e2. The button can control the output to turn off and on, and can set the power-on default to ON or OFF\u003cbr\u003e3. LCD can display input and output voltage, output current and output power\u003cbr\u003e4. The input terminal is protected against reverse connection, and the reverse connection will not burn\u003cbr\u003e5. High efficiency, high current, low heat generation, constant current value can be adjusted around 0-4.5A, suitable for office power supply, high-power LED constant current drive, lithium battery charging, etc.\u003cbr\u003e\u003cbr\u003eFunction Description:\u003cbr\u003e1. There are IN\/OUT and ON\/OFF buttons on the left side of the module: the IN\/OUT button switches the display of input voltage and output voltage, long press to switch the display of output current and output power; the ON\/OFF button controls the output ON or OFF, long press Press to set the default output state is ON or OFF at the next power-on\u003cbr\u003e2. There are +\/- two buttons on the right side of the module: + button press the output voltage to increase 0.05V, long press to continuously increase, and then long press to continuously increase 0.1V, 1V in slow steps; - button press the output voltage Decrease 0.05V, long press to continuously decrease, and then long press to continuously decrease 0.1V, 1V in slow steps\u003cbr\u003e3. ADJ-I is the current setting potentiometer. Turn clockwise to increase the set current. When the load current reaches the set current, it enters the constant current state, and the CC constant current indicator (red) lights up. The OUT indicator is the output status indicator, it is on when there is voltage at the output terminal, otherwise it is off; the CHAR indicator is the charging indicator, which is on when charging, and the FULL indicator is the full indicator. If the set constant current value is 2A, charging When the current reaches below 0.2A, turn the light, the FULL indicator is on, and the CHAR indicator is off\u003cbr\u003e\u003cbr\u003eInstructions:\u003cbr\u003e1. Use as an ordinary step-down module with overcurrent protection capability\u003cbr\u003e- Press the button to set the output voltage to the desired voltage value\u003cbr\u003e- Rotate the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current range of the multimeter (connect the two test leads directly to the output terminal), and adjust the ADJ-I constant current potentiometer clockwise to make the output The current reaches the overcurrent protection value you want to set. (For example, the current value displayed by the multimeter is 2A, then the current can only reach 2A when the module is used, and the red constant current indicator light is on when the current reaches 2A, otherwise the indicator light is off)\u003cbr\u003e 2. Use as a battery charger\u003cbr\u003e- The module without constant current function cannot be used to charge the battery. Because the voltage difference between the exhausted battery and the charger is very large, the charging current is too large and the battery is damaged, so the battery should be used at the beginning. Constant current charging, when the charging reaches a certain level, it will automatically switch back to constant voltage charging\u003cbr\u003e- Determine the float voltage and charging current of the battery to be recharged; (if the lithium battery parameter is 3.7V\/2200mAh, then the float voltage is 4.2V, and the charging current can reach 1C, that is, 2200mA)\u003cbr\u003e- Under no-load conditions, the output voltage of the button reaches the floating charge voltage; (if charging a 3.7V lithium battery, adjust the output voltage to 4.2V)\u003cbr\u003e- First turn the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current range of the multimeter (just connect the two test leads to the output terminal directly), and adjust the ADJ-I constant current potentiometer clockwise to make the output The current reaches the predetermined charging current value\u003cbr\u003e- Connect the battery and charge (when setting: no battery is connected to the output terminal)\u003cbr\u003e3. Used as a high-power LED constant current driver module\u003cbr\u003e- Determine the operating current and operating voltage needed to drive the LED\u003cbr\u003e- Under no-load conditions, press the button to set the output voltage to reach the LED working voltage\u003cbr\u003e- First turn the ADJ-I current adjustment potentiometer counterclockwise to the end, then measure the output short-circuit current with the 10A current range of the multimeter (just connect the two test leads to the output terminal directly), and adjust the ADJ-I constant current potentiometer clockwise to make the output The current reaches the predetermined LED operating current\u003cbr\u003e- Connect the LED, test the machine (when setting: output no-load, do not connect the LED light)\u003cbr\u003e \u003cbr\u003ePrecautions:\u003cbr\u003e 1. It is forbidden to short-circuit the input IN- of the module with the output OUT-, otherwise the constant current function will fail\u003cbr\u003e 2. Make sure that the power of the power supply is always greater than the power required by the output load. When the module is seriously hot, please reduce the power usage.","brand":"GadgetHQ","offers":[{"title":"PCB","offer_id":52635170439515,"sku":"TBD0602079801A","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0602079801A.jpg?v=1774046862"},{"product_id":"lm2596-adj-dc-dc-adjustable-step-down-power-module-4v-40v-to-1-23-35v-3a-stereotype-board-lm2596-adj-4v-40v-to-1-23-35v","title":"LM2596-ADJ DC-DC Adjustable Step-Down Power Module 4V-40V To 1.23-35V 3A Stereotype Board, LM2596-ADJ 4V-40V To 1.23-35V","description":"\u003cbr\u003e1. Stable operation at 3A at room temperature (test conditions 29°C, humidity 50%), if working for a long time it is recommended to add a heat sink\u003cbr\u003e2. High Q high current shielded inductor, low ESR high capacity capacitor, sunken gold PCB\u003cbr\u003e3. High precision potentiometer, imported chip, 5A high current Schottky diode, pure copper terminal\u003cbr\u003e4. Input voltage: DC4-40V\u003cbr\u003e5. Output voltage: DC1.23-35V\u003cbr\u003e6. Output power: 15W\u003cbr\u003e7. Breakdown voltage: over 45V input\u003cbr\u003e8. Start-up voltage: 4V\u003cbr\u003e9. Fault protection: reverse connection, undervoltage, overcurrent, overheat protection\u003cbr\u003e10. Operating temperature: -40 to 85 degrees C\u003cbr\u003e11. Output current: 3A\u003cbr\u003e12. Output ripple: 4mV\u003cbr\u003e13. No-load current: about 7mA\u003cbr\u003e14. External dimensions: 55x32x13mm\u003cbr\u003e15. Net weight: 20g\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"LM2596-ADJ 4V-40V To 1.23-35V","offer_id":52635346698587,"sku":"TBD0603269701A","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0603269701A.jpg?v=1774048600"},{"product_id":"waveshare-dedicated-3007-cooling-fan-for-raspberry-pi-compute-module-4-cm4-5v-12v","title":"Waveshare Dedicated 3007 Cooling Fan for Raspberry Pi Compute Module 4 CM4, 5V, 12V","description":"1. Good condition,with high quality ,great performance\u003cbr\u003e2. Cooling fan run smoothly, long life keep CPU safe without overheating\u003cbr\u003e3. Compatible with Raspberry Pi CM4 robotic projects and development boards\u003cbr\u003e\u003cbr\u003eSpecification:\u003cbr\u003e1. Rated Power: 1W (5V, 0.2+\/-0.02A); 1.62W (for 12V, 0.135+\/-0.02A)\u003cbr\u003e2. Rated Speed: 5000+\/-10%RPM( for 5V); 8000+\/-10%RPM ( for 12V)\u003cbr\u003e3. General: Low-profile, PWM speed adjustment\u003cbr\u003e4. Interface: 4-wire PWM speed-adjustable fan header\u003cbr\u003e5. Cable length: 90+\/-10mm\u003cbr\u003e6. Size: 54 x 39 x 13mm\u003cbr\u003e\u003cbr\u003ePackage List:\u003cbr\u003e1. CM4-FAN-3007 x 1\u003cbr\u003e2. Screws and thermal tapes x 1\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"5V","offer_id":52635393589595,"sku":"EDA003950601","price":27.99,"currency_code":"USD","in_stock":true},{"title":"12V","offer_id":52635393622363,"sku":"EDA003950602","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/EDA003950601.jpg?v=1774050126"},{"product_id":"wifi-wireless-cell-phone-remote-thermostat-control-switch-module-no-display-digital-tube-display-lcd-display","title":"WIFI Wireless Cell Phone Remote Thermostat Control Switch Module, No Display","description":"\u003cbr\u003e1. Digital tube display and LCD display version: only temperature control function, without manual control\u003cbr\u003e2. Version without display WFT1: with temperature control and manual switch function, can be manually opened and closed remotely, timing, time delay, cycle switch and other settings (timing delay function, need to keep WIFI has been networking), otherwise the time settings are invalidated\u003cbr\u003e3. Product power supply: DC6-30V (recommended 24V or less), WFT1 with 5V MICRO-USB power supply port control terminal for the relay passive output, can be turned on and off the DC voltage and 220V AC voltage (current is recommended to be used within 7A)\u003cbr\u003e4. With cloud temperature records, switching action WeChat, e-mail notification, local buzzer alarms\u003cbr\u003e5. Networking instructions: ensure that the phone has been connected to the WiFi network, must be 24Ghz band, 5Ghz band can not be paired, if your router 2.4Ghz band and 5Ghz band is combined, please reconfigure the router, separate it, select the 2.4G band for pairing\u003cbr\u003e6. Size:\u003cbr\u003e- WFT1: 65 x 33mm\u003cbr\u003e- WT02-W: 79 x 43 x 27mm\u003cbr\u003e- WT03-W: 79 x 43 x 27mm\u003cbr\u003e7. Weight:\u003cbr\u003e- WFT1: 30g\u003cbr\u003e- WT02-W: 50g\u003cbr\u003e- WT03-W: 53g\u003cbr\u003e\u003cbr\u003eNote: electronic module products, you need to have a certain degree of electronic foundation\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"No Display","offer_id":52635422097755,"sku":"TBD0604439501","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0604439501.jpg?v=1774051516"},{"product_id":"type-c-power-and-signal-splitter-cnc-aluminum-alloy-case-with-indicator-waveshare-33502","title":"Type-C Power And Signal Splitter CNC Aluminum Alloy Case With Indicator, Waveshare 33502","description":"\u003cbr\u003e1. A dedicated module for separating the power and data signals on the USB-C interface, which can effectively prevent the computer from reverse power supply and improve the stability of device power supply\u003cbr\u003e2. Suitable for various application scenarios such as PiKVM, Raspberry Pi, industrial control, and high-power USB peripherals\u003cbr\u003e3. It can provide stable power to the device through an external 5V power supply while maintaining USB communication with the computer or host\u003cbr\u003e4. Made of aluminum alloy, it is sturdy and durable\u003cbr\u003e5. Interface type: USB Type-C female port x 3\u003cbr\u003e6. Input power: 5V DC\u003cbr\u003e7. Signal channel: USB 2.0\u003cbr\u003e8. Indicator light: power status indicator\u003cbr\u003e9. Shell material: CNC aluminum alloy\u003cbr\u003e10. Size: about 3.3 x 2.8 x 1.15 cm\u003cbr\u003e\u003cbr\u003e","brand":"GadgetHQ","offers":[{"title":"Waveshare 33502","offer_id":52635568734555,"sku":"TBD0606705401","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/1041\/7755\/files\/TBD0606705401.jpg?v=1774057612"}],"url":"https:\/\/www.gadgethq.co\/collections\/electronics-module-other-accessories.oembed","provider":"GadgetHQ","version":"1.0","type":"link"}