Other Open Source DCC Decoder Projects Decoders RP2040-Decoder is a mobile decoder based on the RP2040 "Raspberry Pi on a Chip" micro-processor. OpenDecoder is a series of accessory decoder implementations based on the ATMega platform. Command Stations / Throttles DCC-EX is a project building open source DCC command stations and other tools on top of the Arduino platform. OpenDCC is an open source command station based on the ATMega platform.