Using motion detectors and an Arduino you can trigger lights, fans, or even an pneumatically controlled cleaver-wielding clown to help add your house to the “if you dare” list.

Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion and excites a light source in a flash. The “snooper” here is an ordinary passive infrared (PIR) motion ...

Posted in Arduino Hacks Tagged 2016 Hackaday Prize, arduino, capacitive coupling, electrostatic, Hackaday Prize, library, motion detection, the hackaday prize ← High-Voltage Fractals ...