Recommended Turnigy 9x firmware: default, er9x, or gv9x?
I'm just getting my 3DR AC2 up and running with an APM2. I have the ubiquitous Eurgle/FlyMax/Imax/Turnigy 9x R/C transmitter. I know many folks flash the er9x firmware to this transmitter for use with quadcopters. Since the arrival of the new APM2
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