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This is a board for making the Arduino into a portable stand alone music synthesizer. It plugs directly into the Arduino board and provides 25 multiplexed keys (2 full octaves), 4 pots, status LED, reset switch, digital to analog converter IC, and a RCA audio jack. The Arduino board with its powerful AVR processor is more than adequate for a wide range of sound synthesis techniques. We have experimented with additive / wave-table synthesis, frequency modulation, ring modulation, sampling, polyphony, various arpeggiators. The whole thing can be powered over the Arduino's USB port for convenient experimenting.
The board is designed to mount easily to 1/8" panel material, and 1/2" round keys can be made out of wood or plastic.
Features:
- 25 keys and multiplexer circuitry
- 4 potentiometers, 1 controls output level
- Microchip MCP4921 12 bit SPI DAC
- Passive low pass output filter
Resources:
- Assembly Instructions
- Schematic
- Layout Image (for making custom panel)
- Arduino Information
Below are some Example Patches:
- Sine Tone Test demonstrates sine wave synthesis
- Simple Keyboard reads keys, and plays tones
- FM Synthesizer more complex FM synthesizer
- Octave Arpeggiator polyphonic octave sweep thing
more coming soon....
Kit only, Arduino Board not included: $44.95 add to cart
Kit with Arduino Board (a $35 value): $74.95 add to cart
