Touchscreens are great, but when it comes to playing music on them, the lack of physical keys can be a drag. So I decided to round up some household stuff and make a piano keyboard that tricks the iPad into thinking it's being played by your fingers (with the help of some clothespins and aluminum foil)!
It's quite easy to make a capacitive piano interface, and all told it cost me less than $5. All you need is some wooden clothespins, foil, markers, tape, rubber bands, stiff cardboard, and some patience to cut and piece it all together.
For this project you'll need: