Noise Sensor Module RS485 Industrial-Grade Noise Decibel Detector with UART Sound Level Meter for Dust and Noise Monitoring

$28.00

Speed Measurement Sensor Module, Counter Module, Motor Test Module, Slot-Type Optocoupler

$3.50

Digital 38kHz IR Transceiver Sensor Module for Electronic Building Blocks Robots, IR Communication & Remote Control

$2.80

Kawai, Kawashima, Bioa Dehumidifier Humidity Sensor RHI-112A Temperature & Humidity Sensor Module Genuine

$13.50

MQ2 Smoke, Alcohol, Methane, Coal Gas, Hydrogen, Carbon Monoxide, and Combustible Gas Sensor Module

$4.24

DFRobot Gravity: Analog Smoke Sensor Module MQ2 Compatible with Arduino Butane Propane Detection

$45.00

HC-SR505 Mini PIR Motion Sensor Module - Human Detection Inductive Switch

$5.67

Infrared Sensor Module Line Tracking Obstacle Avoidance Photoelectric Reflective Smart Car Optical Switch Pair

$3.26

KEYES Resistive Thin-Film Pressure Sensor Module for Arduino, Raspberry Pi, and microbit Development

$12.00

MQ2 Smoke, Alcohol, Methane, Coal Gas, Hydrogen, Carbon Monoxide, and Combustible Gas Sensor Module

$4.24

DHT11 DHT22 Temperature & Humidity Sensor Module SHT30/AM2302 SHT3031 Digital Probe

$5.94

Infrared Photoelectric Reflection Sensor Module Obstacle Avoidance Sensor Module Line Tracking Infrared Pair Module

$3.80