I recently picked up some PX4MiniAIO boards (available from RTF Quads and the myairbot) – one of the many “mini pixhawk” variants that are sprouting up. I wanted this board because I want a mini form factor but also want multiple serial ports. Little did I know that the way they wired the board their “UART1” port is actually hooked to the Pixhawk’s serial console, which outputs only the OS console with the default build. This post follows my hacking around to make that serial port usable for telemetry again.
Reconfiguring serial ports under ArduPilot – Getting UART1 working on the PX4MiniAio
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