Arduino: Internals

How to properly include functions written on other sketch tabs

: These files are linked with the Arduino Core (pre-compiled code for the specific board) to create a single .hex or .bin file. Arduino Internals

: The avrdude tool sends this binary file to the microcontroller’s flash memory via the Bootloader . 3. Hardware Internals & Registers How to properly include functions written on other

Contrary to popular belief, Arduino does not have its own language. It uses with a specific set of libraries and a pre-processing step. Arduino Internals

: The avr-g++ (or equivalent for ARM/ESP32) compiler converts the C++ code into object files.