Poly FM

Polyphonic FM synth with 4 voices & 4 operators

polyfm1
PolyFM is a 4-voice polyphonic FM synthesizer based on the Daisy Seed microcontroller. It features a 4-operator FM engine with up to 11 different algorithms, allowing a wide range of classic and experimental FM sounds.
polyfmschematic
Get the code!
Features :

* 4-voice polyphony
* 4-operator FM synthesis
* 11 FM algorithms
* MIDI input
* 16 presets save & load (I think I could handle more, will see in a future update)
* OLED display (SSD1306 128×64)
* Hands-on control with potentiometers and push buttons
Component List:
1x Daisy Seed
1x CD74HC4067 Multiplexer
19x 10kΩ potentiometer
1x Jack socket
1x MIDI DIN female
1x H11L1 octocoupler
1x LED (for MIDI signal)
1x 1kΩ resistor
1x 220Ω resistor
1x 270Ω resistor
1x 100nF capacitor
5x Push Button (NO)
1x SSD1306 OLED Screen 128x64
polyfmfront
polyfmback

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