It is a bit confusing what to put where when connecting an F405 (like Matek F405-STD). Here's my proposal:
- USART3 - CRSF
- UART4 - MSP
- USART1 - GPS
- UART2 - OpFlow
- UART5 - TBS SmartAudio
Hope it helps :)
Matthias Hryniszak
Posted on
Using an F405 flight controller with INav and Arducopter - Serial ports
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