4chord MIDI Piano
4chord MIDI Pianoby sgreg.
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Shared on August 19th, 2017 19:30.
The 4chord USB MIDI Keyboard in Piano shape. Play all them major hit pop songs with a simple press of four buttons.
Built around an ATmega328P with a Nokia 5110 LCD and the V-USB library, 4chord MIDI acts like any other, regular MIDI instrument.
PCB was designed with KiCad and released under the CERN Open Hardware Licence version 1.2.