Maple RailRoad Sound Decoder

WiFi controller, sound decoder, and software for model trains.

Project includes library for programming the sounds with set of state machines.

Includes the following hardware components:

• ESP32 CPU with embedded WiFi module
• Flash IC for storing sound projects (embedded flash also supported)
• Motor driver
• I2S audio power amplifier (MAX98357)

Links

• Radio-controlled engines with sound
  • https://github.com/TheDIYGuy999/Rc_Engine_Sound_ESP32
• Cost effective DIY DCC Decoder for model railroad locomotives
  • https://github.com/gab-k/RP2040-Decoder
• NIMRS: open-source NIMRS-21Pin-Decoder, based on the ESP32-S3 microcontroller
  • https://github.com/CDFER/NIMRS-21Pin-Decoder
  • https://github.com/ProjectInitiative/NIMRS-Firmware