Review on π¦ 5pcs HC-SR501 Human Body Pyroelectric Infrared PIR Motion Detector Sensor Module by Oiyagai by Peter Parks
They are not precise enough
Even after many adjustments, three out of five may not notice that half the time a person is walking directly in front of them. I haven't tested the other two and intend to desolder the PIR sensor and build my own circuit instead.
- GOLS certified
- Only available in black
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