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  • SentryGunner commented on adafruit's instructable PIR Motion Sensor Tutorial3 years ago
    PIR Motion Sensor Tutorial

    Hello, can anybody please help me with this? I was wondering if there was some sort of filter that I could place in front of the pir module, that would filter out any low temperature objects and only allow high temperatures to trigger the sensor (body heat). I plan to mount the sensor on a rotating turret, and when it spins I don't want the sensors to be triggered by the moving background (walls, bookshelves, etc.) thanks.

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