Maker Project Lab, Maker Update 21
Once again Donald Bell has been kind enough to mention a project of mine in his weekly Maker Update.
Day 37: Flick Face. Perf board, LEDs, coin cell battery, battery holder, resistors, hookup wire, and springs. I made some whisker switches using the springs from ball point pens I got at the bank. The circuit kind of looks like a face and you get the best results when you flick the board.