You’ll have to do this on a dedicated programming track, in direct mode, because setting CV29 requires being able to read the original value first, which some DCC systems can’t do in mainline ...

The DCC-EX website, written in reStructuredText, generated using sphinx, and served by GitHub pages. - DCC-EX/dcc-ex.github.io ...

Decoder for the DCC (Digital Command Control) system for 16 relays. It is written in C for the ATMEGA 16A and similar AVRs. ... and therefore listens to 16 DCC addresses. Programming of the decoder ...