Teensy Monster V1.0 is the ultimate brain for your next DIY controller. Plug components into it (pushbuttons, encoders, faders, sensors, LEDs, etc.) and it can easily send MIDI messages to your computer. The Teensy Monster is a PCB that extends the popular Teensy++ microcontroller, creating a plug-and-play system ideal for DIY controllers. No coding required!
For more info, check out the Instructable: http://www.instructables.com/id/Teensy-Monster-v10-DIY-MIDI-Controllers/
+22.00$ for shipping outside of USA