24G Human Detection Module for Smart Lighting and Intrusion Prevention

Electret Mic Module 3PCS with Onboard Preamp 3V 5V Input 1.8 x 1.5cm PCB

24 GHz Microwave Sensor Module for Human Detection in Lighting Systems

8PCS Temperature Sensor Module 2x1.4cm PCB Board for DIY Temperature Monitoring

3PCS RS232 For TTL Level Converter with Compact 32mm x 40mm PCB and LED Signals

TDA2030A 18W Audio Module Kit 4 Pieces PCB Board with Heat Sink DC 6-12V Input

RS232 to For TTL Converter Module Set 3PCS PCB Board with LED Indicator 4x3.2cm

5PCS SW-520D Tilt Sensor Module for Angle Detection with Digital Output