Let me introduce another simple microcontroller-based do-it-yourself circuit that detects motion ... and Arduino IDE compatibility. The code is an Arduino project for the Digispark Attiny85 to turn on ...

Using motion detectors ... digitalWrite(light_1,LOW); delay(500); } } Here is the circuit for the Sparkfun Active Low style sensor. PIR Pin “+” connects to Arduino +5 one side ...

This could be how Philips Hue will bring ambient sensing to its smart lights ... every Philips Hue light bulb in your home turning into a motion sensor overnight, making it simple to automate ...