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soundboard
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esp32 soundboard project
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Hendrik Langer a445b7842a
platformio: switch to Arduono Framework with Staging version 		8 years ago
doc documentation stub 8 years ago
lib new platformio project 8 years ago
src sdcard stub 8 years ago
.gitignore instructions how to build and flash with platformio 8 years ago
.gitlab-ci.yml platformio: switch to Arduono Framework with Staging version 8 years ago
README.md sdcard stub 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

ESP32 pin SD card pin Notes
GPIO14 (MTMS) CLK 10k pullup
GPIO15 (MTDO) CMD 10k pullup
GPIO2 D0 10k pullup, pull low to go into download mode
GPIO4 D1 10k pullup; not used in 1-line mode
GPIO12 (MTDI) D2 otherwise 10k pullup (see note below!); not used in 1-line mode
GPIO13 (MTCK) D3 10k pullup needed at card side, even in 1-line mode
N/C CD
N/C WP

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?

References