The Doepfer CTM64 Jumpstarts Custom MIDI Controllers
The Doepfer CTM64 is a universal contact-to-MIDI interface that can be used as the basis for custom MIDI controllers. Here are a few examples of what people have built using the CTM64: More examples of custom MIDI controllers, including custom DJ controllers for Richie Hawtin & Monolake, are available at the Doepfer site.