From the MAKE Flickr pool

Member Recotana may have built the smallest MIDI input device ever. It uses a PIC12F675 chip, a few basic components, and single switch to register input. He plans to use it in conjunction with a heartbeat sensor – cool! This could come in handy for quite a few project ideas. -Link

Homemade MIDI Controller
Homemade MIDI controller -Link

From the Maker Store:
MidiTron, unassembled kit -Link

Collin Cunningham

Collin Cunningham

Born, drew a lot, made video, made music on 4-track, then computer, more songwriting, met future wife, went to art school for video major, made websites, toured in a band, worked as web media tech, discovered electronics, taught myself electronics, blogged about DIY electronics, made web videos about electronics and made music for them … and I still do!