MQ-2 Smoke Sensor Module, Gas Detection Probe, Methane/LPG Combustible Gas Sensor Alarm

$4.20

AD8232 ECG Sensor Pulse Heart Rate ECG Acquisition Module Analog Measurement ECG Detection Microcontroller

$34.90

SHT20 Temperature and Humidity Sensor Module Serial Output Measurement Threshold Control Circuit Board Connect to PC

$11.00

Telesky WCS1800 Hall Effect Current Sensor Module for 35A Detection with Short-Circuit and Overflow Protection

$115.72

ACS712 ACS724 Module 5A 20A 30A Range Current Detection Board, Hall Effect Current Sensor 05B

$8.28

ASAIR DHT30 Humidity and Temperature Sensor I²C Signal Output Industrial Grade Indoor Sensor Module

$4.65

Humidity-Sensitive Resistor CJ-HJ31A Humidity Sensor 23A 3180 Humidity Chip HR202L Humidity Module Induction

$2.57

5-Channel Line Tracking Sensor Five-Channel Path Finding Sensor TCRT5000L Line Tracking Module Infrared Sensor

$6.70

Aosong Gas Pressure Sensor Module IIC/Voltage with Temperature Compensation Differential Pressure Sensor APR5852 Series

$34.00

GY-346 ADXL346 Sensor Module Replacement for ADXL345 Module IIC I2C SPI Interface

$7.50

MQ2 Gas Sensor Module Smoke Detection Module Reverse Connection Protection Suitable for Arduino Uno R3

$15.20

Risym S12SD UV Sensor Module, Sunlight Intensity Detection Sensor, High Sensitivity

$36.48