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Continue to ChatArduino IDE: variables, constants and macros #2 https://www.moreware.org/wp/blog/2020/02/27/arduino-ide-variables-constants-and-macros-2/
Arduino IDE: variables, constants and macros #2 https://www.moreware.org/wp/blog/2020/02/27/arduino-ide-variables-constants-and-macros-2/