Review on π Uxcell Mini Pyroelectric PIR Sensor Module Manual Motion Infrared IR Detector (a15032000ux0258) by Michael Hughes
Better than HC-SR505 but still has false alarms.
These sensors are better shielded/or have better built in filtering as they are not activated by WIFI transmission like HC-SR505 when used with ESP32/ESP8266. However, you still have too many false positives. Every time the air conditioner turns on to cool the house, a mass of cold air triggers the sensor. So this may or may not work for you depending on your location.
- New
- Slightly torn
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