Ultra-Thin Flat Integrated Infrared Through-Beam Photoelectric Switch Sensor EX-13A/11A/13EA/14A/13EP

$36.00

Heart Rate/Beat Rate Sensor, Pulse Bio-Simulation Monitoring Inductor Module, pulsesensor

$6.50

U-Shape GK122 Slot-Type Photoelectric Switch 3mm Slot Width Dual Mounting Holes Counter with Wire 5V 24V 12V Infrared Through-Beam

$6.00

MAX30100/MAX30102 Blood Oxygen and Heart Rate Wrist Pulse Detection Biosensor Module

$5.39

Ultrasonic Canal Water Level Ranging Module Radar Liquid Level Gauge Smart Trash Can Fullness Monitoring Sensor

$136.22

C8D Dual-Channel High-Precision NDIR Infrared CO2 Sensor Module for Carbon Dioxide Gas Concentration Detection

$87.28

Miniature Laser Sensor M3M4M5M6M8 Infrared Induction Small Spot Through-Beam Diffuse Reflection DC Photoelectric Switch

$50.00

Infrared Liquid Level Sensor, Liquid Level Detection Module, Water Level Induction Monitoring Switch, High Precision Corrosion Resistant

$143.20

Ultra-Fast Liquid Level Sensor Liquid Surface Water Level Monitoring Sensor Module Compatible with 51/STM32

$255.64

Chengke Flexible Thin Film Pressure Sensor Single Channel Detection Module MY2801 Piezoresistive AD Value Digital Display Curve

$563.87

Ultrasonic Distance Module HC-SR04 US-100 US-015, Distance Module Ultrasonic Sensor Electronics

$1.74

Digital + Analog Sound Detection Module LM386 Audio Recognition Voice-Controlled Switch Microphone Sensor Module

$38.90