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Kasza László Róbert edited this page Jan 30, 2023 · 76 revisions

Polyphonic Fm synthesizer with ESP32

Abilities:

  • 6 operators
  • 16 waveform: sinus, square,triangle, saw tooth...
  • Each operator has its own envelope. Their parameters are AR, AL, D1L, D1R, D2L, D2R, RL, RR as usual from Yamaha DX instruments.All waveforms can be halved, eighthed, etc
  • Pich envelope or detune mode
  • The sampling frequency is 48000Hz.
  • Signal on 16 bits or more
  • The device is polyphonic up to 6 tones
  • 2 LFO controlled opvolume, pich and EQ
  • Reverb engine
  • 2 parametric EQ
  • Limiter-Distorzion
  • Full midi controllability
  • hd44780 compatible LCD Display
  • PC Editor Software
  • Sound Memory: 16 user preset, and 8 in code
  • (Bugs)
  • (If we are bored, we can listen to internet radio on it.)

SCHEMATIC DIAGRAM

Sound sampes:

Sound Sample 1

Sound Sample 2

Sound Sample 3

Sound Sample 4

Sound Sample 5

Sound Sample 6

Sound Sample 7

Sound Sample 8

Pictures

Video

https://www.youtube.com/watch?v=Lr4I2iQ6hXQ

Hardware component:

PC Software:

Footnote

Special thanks to Jani János