Recently, I exhausted my stock of common passive infrared (PIR) motion sensor modules and was looking for a new ... This is the recommended hardware wiring diagram. Remember to power up the entire set ...

Like the PIR sensor, this sensor also detects only movements ... Similarly, always keep a minimum of 1-cm clear space in the front and rear side of the module. RCWL-0516 Doppler radar unit pin out ...

Module provides integration and flexibility for passive infrared (PIR)-based motion detection ... employs a RE200B dual-element pyroelectric sensor and includes serial and hardware configuration ...

With just a Wemos D1 Mini, a standard PIR sensor, and some open source code ... but [Eric] has still gone ahead and provided a wiring diagram so there’s no confusion for young players.