ACreal IO is a firmware code for Arduino to build Konami ACIO compatible boards.
Konami ACIO is a protocol used for communication between arcade games and harware components such as e-Amusement readers. Its uses rs232 and allows several "nodes" to be connected a single serial port.
Currently this project supports the following games :
pop'n music 15-18 (one old slotted reader)
pop'n music 19-21 (one new wavepass reader with encrypted communication (only game I know which uses this encryption) + optional card dispenser)
iidx 13-18 (2 old slotted readers)
iidx 19-20 (2 new wavepass readers)
jubeat 1 - knit (one old slotted reader (no keypad) + one led board (game won't boot if the led board is not present)
jubeat copious - saucer (one new reader (no keypad) + one led board (game won't boot if the led board is not present)
DDR SN-SN2 (2 old slotted readers)
DDR X-X3 (2 readers (old or new) in sd, 2 readers (old or new) + led board ? in HD)
drum mania (1 old reader)
guitar freaks (2 old readers)
Sound voltex (1 new wavepass reader + 1 IoBoard )