\Atmega_Board_Programmer\Atmega_Board_Programmer\bootloader_atmega328.h:3:34: error: variable 'atmega328_optiboot' must be const in order to be put into read-only section by means of ...
In order to make it easier for beginners to get started with writing Arduino sketches, and for the convenience of all users, Arduino CLI automatically generates and adds prototypes for functions ...