Hello all I would like to know if you have done any firmware update with areduino nano. I’m trying but
in Windows 10 I can’t pass from create arduino ISP error: ser_open(): can’t set com-state for “\.\COM4”
In Mac OS
Error: could not find USBtiny device (0x2341/0x49) when trying to upload marlin firmware or bootloader
Any idea what is missing?