Two HC-SR501 PIR detectors enclosure
thingiverse
Enclosure for 2 PIR sensors mounted at an angle of 120° between each other and a lid which should be glued after calibration of the sensors. In the enclosure there is a slit for a strap and its back is curved for better mount on a tree. Outputs of the sensors can be connected parallel with additional diodes. Hole for 3 wire cable (supply,ground and output) you should drill where you need. Remember to protect electronics inside from the moisture! First layer 0.24mm any other 0.36mm, nozzle 0.50mm
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