Isn't 255 the child id for default battery level?
The code after is per log parser "!MCO:PRO:RC=1 Recursive call detected in _process(), call level=1"
I'd look in your code.
Also I can't figure out your setup from what you describe (rpi + nano via usb?)
Hello Jeelet,
Thank you for the encouragements.
Your advice to save (protect) the Oled screen is also welcome, thank you.
My code expects it, the text is mini and moves every 3 seconds. Press a key and the menu returns.
Cordially.
