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. There are ...

It is likely that many of us will at some time have experimented with motion detectors ... as to its mechanism. He can only make it work on the Arduino, other boards with ADCs don’t cut it.

We’re still not sure exactly how [connornishijima]’s motion detector works ... is (so its noise can be filtered out), and a final value that tells the Arduino how long to average values ...

If you're looking to take on a new project with your Arduino, perhaps creating ... you'll need a motor to control the trash can lid, a motion sensor to tell the lid to pop open, and jumper wires ...