Velocity-sensitive impact sensors in PVC pipes interface to a micro drum machine.
By Tom Zimmerman
Photograph by Sam Murphy
An electronic drum is basically a switch that triggers the playback of a digitally recorded drum. Here’s how I built tubular drum controllers out of PVC pipe and connected them to a studio drum machine to create a professional-sounding electronic drum kit.
Each controller has a guitar string suspended above 4 strips of aluminum tape. When you strike the string ...