The MidiVox shield turns a basic Arduino board into a standalone MIDI synthesizer with parameters tweakable via MIDI CC messages. Hook up a MIDI keyboard controller via the onboard 5-pin DIN (aka MIDI) jack, upload a sketch and play. You may be surprised what sweet sounds can be generated by a single channel of 12-bit digital-to-analog conversion (I definitely was).
A test drive of the kit’s example sketch can be seen synthing just below this sentence …
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