BLACKSTOMP: Quick Development Platform for ESP32-A1S Digital Audio Effect Processor

Blackstomp is a digital audio effect processor development platform based on ESP32-A1S module. Here are some of the feature’s highlights:

  • Stereo line or guitar input/output
  • Microphone input with programmable gain pre-amp
  • Potentiometer, switch, and button interfaces
  • MIDI input/output interface
  • WiFi and Bluetooth connectivity
  • 24-Bit stereo codec with analog pass-through
  • Dual core Tensilica Xtensa LX6 240 MHz 32-bit processor with single precision FPU (floating point unit)
  • C++ library for fast development with Arduino IDE and ESP-IDF development tool chains.

The platform consists of hardware and software to implement digital effect pedal/stompbox. The hardware is designed for the simplicity and cost effectivity, while the software is designed to ease and speed up the application development.

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