opentx/opentx — pull request #562 by KipK (2014-01-19 10:47:35+00:00)
Title: mirror Sport to Tarais serial port (uart3)

This fix #83 issue.
Still needs an inverter behind serial port. This makes me wonder if this patch is really necessary then.
Would be the same thing to solder directly on smartport pad in the radio.

Anyway, if people asked for it, here is it.