28 May '16, 11am

iPad Control for Guitar Pedals - Hackaday

iPad Control for Guitar Pedals - Hackaday

[gutbag] is a guitarist. And guitarists are notorious knob-twiddlers: they love their effects pedals. But when your music involves changing settings more than a few times in the middle of a song, it can get distracting. If only there were little robot hands that could turn the knobs (metaphorically, sorry) during the performance… Tearing into his EHX Pitch Fork pedal, [gutbag] discovered that all of the external knob controls were being read by ADCs on the chip that did all of the processing. He replaced all of the controls with a DAC and some analog switches, coded up some MIDI logic in an ATmega328, and built himself a custom MIDI-controlled guitar pedal . Pretty slick, and he can now control it live with his iPad, or sequence the knobs with the rest of their MIDI system. This wasn’t [gutbag]’s first foray into pedal automation, however. He’d previously automated a slew ...

Full article: http://hackaday.com/2016/05/28/ipad-control-for-guitar-pe...

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