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19Mar/100

MidiVox: $26 Synthesizer Shield For Your Arduino

Via Narbotic Instruments:

MidiVox turns an Arduino board into a programmable MIDI synthesizer.

The assembled kit provides an isolated MIDI input jack along with a single-channel, 12-bit, digital audio output. Any MIDI keyboard with a DIN-5 output can be used to control the shield. Assignable knobs/faders on your controller will come in handy for modifying synth parameters as sou play.

Intended for use as an experimental digital synthesizer, the board can be easily modified for use as a MIDI->CV converter or a MIDI output device.

The kit incorporates an MCP4921 Digital to Analog Converter (DAC) chip, with an 6N138 optocoupler for industry-standard MIDI input.

Features include:

  • Indicator LEDs for power and MIDI data
  • 2-pole passive lowpass filter
  • Onboard volume trimmer w/ knob
  • Slide switch for allowing MIDI or Arduino programming data
  • Single channel 12-bit audio out
  • optocoupled MIDI input
  • a fine lookin’ PCB

[watch on youtube]