Adapted from a fun project found in an older issue Nuts and Volts magazine, this fun Halloween Peek-a-boo ghost prop is sure to delight your trick-or-treaters. Of course you can make something other than a ghost, but the two servos will provide two points of motion for your character.
The sample code provided sets the trigger distance at three feet and when an object comes closer than the set distance, the ghost's arms quickly move to reveal its beady eyes. You can add LEDs or a speaker to make it even more spooky or interactive. You can even re-use the components for other holiday automated props. Check out the step-by-step guide on our Workshop page.