About serial ports

The docs mention 4 serial UARTs are available

Port 0:USB
Port 1:GPS
Port 2:ADC
Port 3:

Xbee/telemetry

 

My question is in a flying configuration, with telemetry and GPS, is there anything free?

 

For example: does feeding an OSD by serial mean telemetry or GPS must be given up?

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  • 3D Robotics

    A serial port can be shared. For instance, our next OSD will share Port 3 with the Xbee (but that means that it has to have an onboard MAVLink parser, to interpret the same data stream). But there are no unusued serial ports. BTW, Port 2 is used for the datalogging, not the ADC.

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