How-To: Breath controlled kick drum for Guitar Hero

Ben Heck shows us how to trigger Guitar Hero 4’s kick drum switch by mouth –

I had a request to build an alternative to the GH4 drum
kit’s kick pedal for a person who uses a wheelchair. Tour apart the kick pedal and a few hours later came up with this:
[…]
Basically this turns the kick pedal into an air pressure diaphragm. You can now “kick” the bass drums by blowing into a tube.

Since the controller uses a basic piezo disc, it would be easy to apply this technique to a variety of other hackery – even for creating some digital ‘wind instruments. Read on for more of the step-by-step. [via Hack a Day]