#define ARDUINO_NANO_HEADER_D0 0 /**< Digital pin 0 (D0/RX) */ #define ARDUINO_NANO_HEADER_D1 1 /**< Digital pin 1 (D1/TX) */ #define ARDUINO_NANO_HEADER_D2 2 ...
If you are updating the code, uncomment ‘#define DEBUG_MODE’ to open serial communication. Otherwise it won't open once the factory setup was done, to avoid hacking through UART If you want to modify ...