an audio interface's coaxial in is used for audio; the teabox reads sensor data and converts it to midi-- if that's all you're looking to do, this is totally possible with an arduino. check out todbot's midi tutorial in the playground.
an audio interface's coaxial in is used for audio; the teabox reads sensor data and converts it to midi-- if that's all you're looking to do, this is totally possible with an arduino. check out todbot's midi tutorial in the playground.