ja-ruleJa Rule is the code behind OLE, an Open Source DMX/RDM framework for PIC32 microcontrollers
h3dmx512-zipImages for Allwinner H2+/H3 DMX512 / RDM / Art-Net / sACN / USBPro / Pixel / WS28xx / TCNet / SMPTE
rdm-appCode for the rdm.openlighting.org site
TeensyDMXA full-featured DMX library for Teensy 3, Teensy LC, and Teensy 4. "Programmable DMX and arbitrary USB serial device emulation."