High-Precision Square Infrared Laser Diffuse Reflection Mirror Reflection Through-Beam Photoelectric Switch Sensor LGZ-T20N

$22.50

Smart Dual Digital Display Fiber Amplifier Coaxial Long-Distance Diffuse Reflection Through-Beam Fiber Sensor Photoelectric Induction Switch

$45.00

ESP32-S3 Development Board with 4-inch IPS Capacitive Touch Screen, Enclosed in 86-Box for Smart Home Switch Control

$120.00

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

$69.00

Lens Fiber Sensor FS-N18N Inductive Switch Diffuse Reflection Through-Beam Digital Display Adjustable Fiber Amplifier

$70.00

Raspberry Pi PICO Development Board Raspberry Pi Zero 0/W Programming Introduction Python Learning Kit

$49.90

Raspberry Pi Pico RP2040 Development Board I2C Interface Communication 10-Axis Sensor Expansion Board ICM20948

$171.00

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

$6.48

Puzhong War God Qilin Tianma STM32F407ZGT6 Development Board Embedded ARM Kit STM32 Expansion

$190.40

AD8232 Module ECG Measurement Pulse Heart Rate Monitor ECG Sensor with 3 Electrodes and Wires

$39.38

Wrist Pulse PPG Sensor Heartbeat HRV Heart Rate ECG Monitoring Module Supports Secondary Development

$255.40

Infrared Background Suppression Laser Photoelectric Switch Sensor with Adjustable Diffuse Reflection and Through-Beam Distance for Black and White Equidistant Detection

$40.40