Printing PIR HC-SR501 Cat Eyes – restricting angles of motion sensors

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I can't believe it took me so long to do this. My $20 staircase LEDs project has been out for a long time. The...

Xiaomi Video Doorbell enclosure

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Xiaomi Video Doorbell with FaceAI isn't weather-tight. Since I don't live in an apartment, I had to take drastic steps to weatherproof the doorbell.