Alectronics

Arduino 1.8.12 and Arduino 2.1 give ino file const error! Does not work!

8

\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 '__attribute__((progmem))' byte PROGMEM atmega328_optiboot [] = { ^ \Atmega_Board_Programmer\Atmega_Board_Programmer\Atmega_Board_Programmer.ino:147:9: error: 'atmega168_optiboot' was...