Hi Nicolai,

thanks for the fast reply. This makes sense to me now. I'll avoid using /dev/ttyAMA0 then

Florian

Yesterday I discovered a strange problem with our RevPi system: When I open the /dev/ttyAMA0 device using pySerial the piControl process seems to get stuck in an unrecoverable state that can only be resolved by a reboot.

Here's my setup:

RevPi Connect+ (Raspi CM3+) 8GB running Raspbian Buster ...