Hardware To Avoid When Building Your First Multirotor

[Yuri_Rage]

See this post by @Eosbandi regarding com port numbering. This has nothing to do with ArduPilot or Matek and everything to do with how the host PC detected the board’s ports. The fix is outlined there.

Possible COM port bug in latest 4.5.5 beta

It is not AP but a Windows issue. While disconnected from the FC open device manager (right click on start menu and start device manager) Click on View, enable Show hidden devices Look for COM ports for SLCAN and Mavlink Right Click and delete them, but don’t uninstall driver Reconnect the FC if the order is still wrong, then right click on the port in device manager Select properties, Port Settings, Advanced set a com port number that suits your ordering windows wi…