My APM board is Arduflyer 2.5.2. I changed the AutoMUX to UART2 by cutting upper solder bridges and connecting the lower bridges. I get ArduCopter 3.2.1 in github and put "#define TELEMETRY_UART2 ENABLED" code in APM_Config.h. You could see the code in the picture and tell me if I'm doing it right.
Now I can't use my radio connected to telemetry port of APM. I can't connect to my radio. I think it is still disabled. Also, when I connect to Arduino IDE to serial monitor, I get scrambled characters like this in the picture. Hope you could help me.
Thank you very much.
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