HC-SR501 Human Body Infrared Sensor Module PIR

$3.10

DS18B20, 18B20, 18E20 Chip Temperature Sensor, Temperature Acquisition TO-92, Brand New Domestic

$1.25

8-Channel Gray Scale Line Tracking Sensor RGB Full-Color Intelligent Recognition Robot Car Line Following Obstacle Avoidance Module

$68.90

pH Value Testing Acquisition Acidity-Alkalinity Sensor Monitoring Module pH 0-14 Non-Rechargeable Electrode Probe

$32.89

DS18B20 Temperature Detection Module, Programmable Digital Temperature Sensor with Thermostat Switch for Development and Learning

$2.50

Non-Rechargeable pH Electrode Probe, pH Value Testing, Acidity/Alkalinity Collection Sensor, Monitoring Module pH 0-14

$34.85

[TELESKY] MQ-9 Carbon Monoxide and Combustible Gas Sensor Detection Alarm Module

$9.31

Ceramic Pressure Sensor for Water/Air/Oil/Hydraulic Pressure Resistive Liquid Level Sensor Module CJ18-20A

$24.61

Thermistor Relay 5V 12V 24V Control Module Sensor for Temperature Detection and Thermostatic Switch

$19.61

8-Channel Line Tracking Module Line Finder Module Tracing Sensor 8-Line Tracing Module Line Tracking Sensor

$12.78

5A Range Current Transformer Module, Voltage Sensor, Single-Phase AC Active Output, Current Transmitter

$5.06

WitMotion Intelligent Laser Distance Sensor VL53L0, VL53L1 Distance Module ToF Time-of-Flight TTL Serial

$40.00