Your DMX512 Problems
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Re: DMX Encoding and Decoding from Analog
I'm not very familiar with Atmel, but I know people have done it in PIC processors. But the main problem (at least with PIC), is that the internal UART cannot send a 22 bit, or 88us BREAK signal. In this case you need to disable the UART, bring the line down, wait 88us, and then re-enable the UART. Or so I have heard. I have not tested it myself.