Raspberry Pi 5th Gen Raspberry Pi 5 Development Board PCIe Motherboard Linux Yabo Smart Kit

$678.40

Micro Square Laser Photoelectric Switch Diffuse Reflection Through-Beam Focused Small Spot Infrared Light Sensor Detector

$83.60

Infrared Liquid Level Sensor, Liquid Surface Detection Module, Water Level Sensing Monitor Switch, High Precision Corrosion Resistant

$96.00

Ultra-Small Elbow M4/M6 Photoelectric Switch Laser Through-Beam Sensor with Small Spot BJTL04 06 Micro Photoeye

$110.00

Huaqinyuanjian STM32 Development Board U575 Embedded ARM Learning Kit Superior to 51 Microcontroller F407 F103 Board

$145.80

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

$71.00

LM386 Analog Sound Detection Sensor Microphone Capsule Audio Recognition Analysis Output Induction Module

$21.00

Puzhong STM32F103ZET6 Development Board, Experimental Board, Learning Board, STM32 Beginner Kit, Embedded Microcontroller

$180.30

MAX30102 Heart Rate and Blood Oxygen Sensor Module for Pulse Monitoring, Compatible with Arduino Uno R3

$58.00

Visible Light Laser Infrared Light Reflective Through-Beam Mirror Reflection Photoelectric Switch Background Suppression Photoelectric Sensor

$28.00

Przhong STM32F407ZGT6 Development Board Experiment Board Learning Board Embedded ARM STM32 Kylin Kit

$199.00

DEXIKE Ultra-Thin Through-Beam Photoelectric Switch EX13A9EB Micro Sensor DX-E11N1/2 Infrared Induction

$80.00