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DHT21/AM2301 Capacitive Digital Temperature Humidity Sensor 1.Description: It is a temperature and humidity sensor.It is a temperature and humidity composite sensor with a calibrated digital signal output.It uses digital module acquisition technology and temperature and humidity sensing te... $7.99 SKU: GY19802
$7.99

4 Channel 18650 Lithium Battery Holder V8 Mobile Power Expansion Board 1.Description: It is a 18650 lithium battery expansion board. This module is a portable power bank, supporting two voltage outputs of 3V/1A and 5V/2.2A. 2.Feature: 1).It has multiple output ports for yo... $12.99 SKU: GY19481-2
$12.99

18650 Lithium Battery Holder V8 Mobile Power Expansion Board 1.Description: It is a 18650 lithium battery expansion board.This module is a portable power bank, supporting two voltage outputs of 3V/1A and 5V/2.2A. 2.Feature: 1).It has multiple output ports for you... $6.39
~~$7.99~~ SKU: GY19481-1
$6.39
~~$7.99~~

DC-DC Boost Module 8-32V to 45-390V 5A 40W ZVS Capacitor Charging Power Supply Module Voltage Converter 1.Description: It is a DC-DC boost module. It has a 780V ultra-wide voltage range,input dual current limiting protection,output voltage stabilization function,suitable for capacitor charging,hunting,rodent control,glow tube power ... $7.99
~~$9.99~~ SKU: GY19480
$7.99
~~$9.99~~

5A Overcurrent Protection Sensor Module AC Current Detection Sensor DC 12V Relay Module 1.Description: It is a overcurrent protection sensor module. It uses a current transformer to collect AC signals and realizes the relay signal output after an overcurrent in the range of 0-5A.The relay pulls in when there is over... $4.79
~~$5.99~~ SKU: GY19799
$4.79
~~$5.99~~

HW-XC508 Smart Sensor Switch Smart Home Microwave Sensor Module 5.8GHZ Microwave Sensor 1.Description: It is a HW-XC508 smart sensor switch.According to the principle of Doppler effect, it uses a planar antenna to send and receive high-frequency electromagnetic waves,and then detects a small movement change in the b... $7.19
~~$8.99~~ SKU: GY19753
$7.19
~~$8.99~~

Infrared Obstacle Avoidance Sensor Module Photoelectric Reflection Compatible with Car Accessories 1.Description: This is a commonly used obstacle avoidance sensor,which mainly uses a pair of infrared transmission and reception Pipe components. The principle is that the transmitting tube emits a certain frequency... $4.79
~~$5.99~~ SKU: GY19784
$4.79
~~$5.99~~

DC 4V-30V LM35 Temperature Sensor 0-100℃ Temperature Detection Module 1.Description: It is a temperature sensor module.Its output voltage has a linear relationship with the Celsius temperature scale.The conversion formula is as follows.The output is 0V at 0,and the output voltage increases by 10mV for eve... $4.79
~~$5.99~~ SKU: GY19783
$4.79
~~$5.99~~

USB Tester Current Voltage Capacity Power Test Mobile Phone Charger Mobile Power Bank Safety Monitor 1.Description: It is a USB multi-function detection instrument.The product has the functions of USB current and voltage,capacity,power,temperature,charging timer,timing disconnection,monitoring display and so on.It also has the... $7.19
~~$8.99~~ SKU: GY19760
$7.19
~~$8.99~~

DC 3.3V-5V 5kg Resistive Thin Film Pressure Sensor Module for Arduino 1.Description: This sensor module is based on nano pressure-sensitive materials supplemented with comfortable Yang-style modulus ultra-thin film substrates for one-time patching,and it has both waterproof and pressure-sensitive du... $6.39
~~$7.99~~ SKU: GY19782
$6.39
~~$7.99~~

MAX31865 Resistance Temperature Detector RTD Sensitivity Thermistor to Digital Output Converter PT100 to PT1000 1.Description: MAX31865 is an easy-to-use thermistor-to-digital output converter,optimized for platinum resistance temperature detectors. 2.Feature: 1).Its external resistance sets the RTD sensitivity, and the ... $6.39
~~$7.99~~ SKU: GY19780
$6.39
~~$7.99~~

MAX31855 Thermocouple Module DC 3V-5V Temperature Sensor SPI Interface High-speed Transmission 1.Description: It is a MAX31855 thermocouple module.It has cold junction compensation and converts K,J,N,T or E thermocouple signals into digital quantities. 2.Feature: 1).Output 14-bit signed data,output in rea... $4.79
~~$5.99~~ SKU: GY19778
$4.79
~~$5.99~~

DIY Kit RGB Flash LED Circuit Music Christmas Tree Kit, 3D RGB Xmas Tree DIY Soldering Practice Kits 3D Flash RGB Christmas Tree DIY Kit 1.Introduction: It is a 3D RGB Music Christmas tree kit consists of circuit board and allows 37pcs LED flash with music and showing a Christmas tree in RGB (the night environment has... $12.72
~~$18.99~~ SKU: GY19939
$12.72
~~$18.99~~
33

Wireless Charger Receiver DC 5V Wireless Charging Adapter Sensing Distance 2-8mm with Forward Direction Charging Interface 1.Description: It is a wireless charger receiver.It can be used with the transmitter to wirelessly charge the mobile phone. It is compatible with most transmitters. 2.Feature: 1).It is easy to use,just plug the recei... $4.19
~~$5.99~~ SKU: GY19747-1
$4.19
~~$5.99~~
31

DC 5V 5W Wireless Charging Receiver Module PCBA Circuit Board Sensing Distance 8mm with 5cm Long Thread 1.Description: It is a 5V wireless charging receiver module.It can be used with the transmitter for wireless charging. 2.Feature: 1).It can be connected to charge the battery. 2).The connecting wire is highly... $4.19
~~$5.99~~ SKU: GY19745
$4.19
~~$5.99~~
31

10W High-Power Wireless Charging Transmitter Module PCBA Circuit Board Wireless Charger Sensing Distance 8mm 1.Description: It is a wireless charger transmitter.It can charge mobile phones with wireless charging.If the mobile phone does not have the wireless charging function,you can purchase another receiver to charge it. 2.Featur... $3.91
~~$5.59~~ SKU: GY19744
$3.91
~~$5.59~~
30

Bluetooth Audio Transmitter Module Stereo Mini Wireless Music Transfer Module Bluetooth 4.1 Audio Transmitter Module Stereo Music USB Sound Card Wireless Transfer to Speakers Headphones KCX_BT_EMITTER Description: 1.KCX_BT_EMITTER module is a Bluetooth audio transmitter module that integrates computer ... $5.24
~~$6.99~~ SKU: GY19733
$5.24
~~$6.99~~
26

FM MW SW Wireless Radio Receiver Module DC 3.7V Alarm Clock 1.Description: It is a FM MW SW Wireless Radio Receiver Module. It supports FM 87-108MHz, MW 522-1620KHz, SW 4.75-21.85MHz optional working frequency. So user just needs connect work voltage and speakers or headset. ... $8.39
~~$13.99~~ SKU: GY19732
$8.39
~~$13.99~~
40

1.77 Inch LCD Screen SPI Serial Port Module ST7735 Driver 128*160 Resolution TFT Display Module 1.Description: It is a 1.77 inch LCD screen.It has a 1.77-inch LCD screen,which is compact and easy to carry. 2.Feature: 1).It uses an LCD screen and has no electromagnetic radiation,which is safer for the human... $5.91
~~$7.99~~ SKU: GY19722
$5.91
~~$7.99~~
26

0.96 Inch Yellow Blue OLED Display Module Support IIC Communication 51 Single Chip Microcomputer 128*64 Resolution 1.Description: It is a 0.96 inch OLED display module.It can be programmed to display the screen you want. 2.Feature: 1).It supports multiple platforms,51 series,STM32/2,CSR chips. 2).It has low power con... $4.43
~~$5.99~~ SKU: GY19720-3
$4.43
~~$5.99~~
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