#ATtiny85 MIDI player Standalone polyphonic MIDI playback using the PLL and a bunch of software timers. The MIDI file needs pre-parsing into a more dense format to fit into the 8kB of flash. The online conversion tool is here which uses code from jasmid.
Instructions / more info / demo MP3 available here: https://mitxela.com/projects/musical_card
Last modified 06 Jul 2015