3-in-1 VOC/CO2/Formaldehyde Gas Sensor Air Quality Monitoring Module Gas Sensing Detection Module

$13.69

TCS34725 GY-33 GY-31 TCS3200D Color Sensor, Color Recognition and Induction Module

$17.93

Piezoelectric Film Vibration Acceleration Sensor CT-PVDF-028K Charge Amplifier Module Kit Original Hot Sale

$13.56

TCS34725 Color Recognition Sensor RGB Development Board Color Sensing Module IIC Communication Color

$17.50

Rain Drop Sensor Module Large Area Double-Sided Rain Drop Module Rain Drop Controller Relay Module Rainwater Sensor

$3.14

MAX9814 Microphone Amplifier Module MIC Voice Amplification 2.7V-5.5V Mic Capsule Sensor

$10.66

GY-85 9-Axis IMU Sensor Module ITG3205 ADXL345 HMC5883L QMC5883L

$30.99

NPN to PNP Signal Converter Module Sensor High/Low Level Photoelectric Switch Suitable for Various Sensors

$8.00

Water Level Controller Tank Tower Pool Automatic Pumping Water Level Liquid Level Sensing Controller Switch Module Water Level Switch

$17.04

AHT20+BMP280 Temperature Humidity Pressure Module Atmospheric Pressure Sensor High-Precision Digital Temperature and Humidity

$11.00

Raindrop Induction Module Large Area Rain Sensor 5V Relay Control No-Water Connection Switch Water Level Detection

$1.00

pH Value Test pH Acquisition Sensor Monitoring Module pH 0-14 Non-Rechargeable Electrode Probe

$32.89