Motion Hacks

Check out this video tutorial to see how to construct an alarm system, that's based on the principle of motion detectors, which work by touch. It's very useful to catch unpleasant visitors red-handed. So make sure your chocolate bar never gets...

A table filled with hundreds of LEDs and motion sensors equals LEDs you can control with your hands. Wave your hand over the table and enjoy the show. The kitty might think it’s alive but your guest won’t help but admire! Have fun building it...