Dang. [Mixtela] has just managed a seriously cool hack: running an entire MIDI synthesizer on an ATTiny85 to create what he claims is the worlds smallest MIDI synthesizer. That’s it on the left ...

Making a polyphonic synth plug is even harder. The circuit for [mitxela]’s chip is extremely simple, with power and MIDI data provided by a MIDI keyboard, a 20 MHz crystal, and audio output ...

Most importantly, there's MIDI. MIDI — Musical ... an external sound generator like a synthesizer or music software on a ...