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zircothc / DRUM_2004_V1 Public

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ESP32 DRUM SYNTH MACHINE

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zircothc/DRUM_2004_V1

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DRUM_2024_V1.ino            DRUM_2024_V1.ino                     

README.md                   README.md                            

SCHEMATICS.png              SCHEMATICS.png                       

keys.ino                    keys.ino                             

led.ino                     led.ino                              

midi.ino                    midi.ino                             

oled.ino                    oled.ino                             

rots.ino                    rots.ino                             

synthESP32.ino              synthESP32.ino                       

synthESP32LowPassFilter_E.h synthESP32LowPassFilter_E.h          

tablesESP32_E.h             tablesESP32_E.h                      

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  * README

DRUM_2004_V1

 

ESP32 DRUM SYNTH MACHINE

This is my DRUM SYNTH LOFI MACHINE.

IMG_20240406_150440

Synth engine:

 

  * Wavetable synthesizer based on DZL Arduino library "The Synth" (
    https://github.com/dzlonline/the_synth)
  * 16 sound polyphony
  * Sound parameters: Table, Length, Envelope, Pitch, Modulation, +
    Volume, Pan and Filter.
  * Filter (LowPassFilter) comes from Mozzi library (https://
    github.com/sensorium/Mozzi)

SEQUENCER:

  * 16 step/pattern editor and random generators (pattern, sound
    parameters and notes)

Hardware:

 

  * Lolin S2 Mini (ESP32 S2)
  * PCM5102A I2s dac
  * 24 push buttons (8x3)
  * Rotary encoder
  * OLED display I2c
  * 32 LED WS2812B

Software:

 

IDE: Arduino 1.8.19

Boards: Expressif Systems 2.0.14

Board: Lolin S2 Mini

Libraries:

  * Sequencer Timer - uClock: https://github.com/midilab/uClock
  * RGB Leds - Adafruit Neopixel: https://github.com/adafruit/
    Adafruit_NeoPixel
  * OLED - u8g2: https://github.com/olikraus/u8g2

Notes:

 

Schematics uploaded.

Join solder pads near SCK pin in PCM5102A module.

Video demo of the prototype:

IMG_20240406_150231

Waiting PCBs to build the first one :) IMG_20240406_150231 board

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ESP32 DRUM SYNTH MACHINE

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