This is not necessary here because the tilt sensor module have a built-in (1ms) “hardware debounce” arrangement using a simple RC network (R-10K & C-100n). Sketch: Analog. This example code lights up ...

That's where Arduino's new, crowdfunded ESLOV kit might save the day. All you have to do to create a basic Internet of Things device is snap in some plug-and ... which includes a motion sensor.