Recently, I exhausted my stock of common passive infrared (PIR) motion sensor modules and was looking for a new one to play with. I searched the web for a small type with self-contained electronics.

Spread the love“`html Are you tired of fumbling for light switches when you enter a room? Or perhaps you’re concerned about enhancing your home’s security? If so, motion sensor lights installation ...

(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal. PIR ...