I have the APM 2.5 board in a quad, and can communicate via USB. 

Mission Planner works properly

 

I bought the 433 mHz kit under advice,  and both boards appear identical.

http://store.diydrones.com/3DR_RadioTelemetry_Kit_433Mhz_p/kt-telemetry-3dr433.htm

The board plugged into the APM is green, with the red blinking light.

 

The board plugged into the laptop via the provided USB cable is solid green.

I tried all the different baud settings but nothing connects....

 

What am I missing? Any suggestions on setup are greatly appreciated.

 

 

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Replies

  • have you installed the driver for the telemetry board?

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