> DMX is send only, so why not use the hardware UART for the PC
> communication, and generate the DMX asynch in software? Check the UART
> between each sent character and buffer anything received, processes it
> later during the gap between DMX frames. Now you just need a PIC with at
> least 512 bytes RAM to buffer the DMX data :)
>
> Wouter van Ooijen

I would generate the DMX in software, but at 250kbps, a bit is only
4uS, which doesn't leave much time to do anything else.

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