For my thesis I need to change brightness and color of LED stripes. In my case i have to use a raspberry pi with an raspberry pi extension board, because this board supports the RS485 bus system. I need to reprogramm the RS485 bus to DMX512 protocoll. The problem is that I don't know how to do this. Can someone please help me?
RS485 bus on raspberry pi extension board to DMX 512 protocol
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I have written a DMX512 Receiver for the Raspberry baremetal. Maybe it is helpful for you. Description : https://sites.google.com/site/rpidmx512/raspberry-pi-dmx512-rdm Source code : https://github.com/vanvught/rpidmx512