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esp32 soundboard project
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Hendrik Langer c46b0790ae
see ESP32_MP3_DECODER 		8 years ago
doc documentation stub 8 years ago
lib new platformio project 8 years ago
src see ESP32_MP3_DECODER 8 years ago
.gitignore instructions how to build and flash with platformio 8 years ago
.gitlab-ci.yml fix platformio 8 years ago
README.md update ToDos 8 years ago
platformio.ini platformio: switch to Arduono Framework with Staging version 8 years ago

README.md

ESP32 Soundboard

Soundboard (computer program), a web application or computer program with buttons that play short, often humorous sound clips.

Hardware

  • ESP32 µC
  • MAX98357A PCM Input Class D Audio Power Amplifiers
  • [SD card]

Wiring

SD card

SD card pin ESP32 pin Notes
CS GPIO05
DI GPIO23 (MOSI)
SCK GPIO18 (SCK)
DO GPIO19 (MISO)
CD GPIO17 optional

Touch

ESP32 Touch pad GPIO Notes
T0 04
T1 00 also bootloader (not usable on dev board)
T2 02 also bootloader (not usable on dev board)
T3 15
T4 13
T5 12
T6 14
T7 27
T8 33
T9 32

I2S

MAX98357A ESP32 pin
LRC 25
BCLK 26
DIN 22
GAIN (VCC)
SD -

Build

git clone https://dev.xd0.de/hendrik/soundboard.git
cd soundboard
virtualenv .
source bin/activate
pip install -U platformio
platformio run -t upload && platformio device monitor -b 115200

ToDo

  • Prototype
  • Keypad layout
  • internal DAC?
  • Add-ons?
  • dynamic keypad thresholds

References