#ifndef Pins_Arduino_h #define Pins_Arduino_h #include static const uint8_t LED_BUILTIN = 27; #define BUILTIN_LED LED_BUILTIN // backward compatibility #define LED_BUILTIN LED_BUILTIN // allow testing #ifdef LED_BUILTIN static const uint8_t TX = 1; static const uint8_t RX = 3; static const uint8_t SDA = 21; static const uint8_t SCL = 22; static const uint8_t SS = 5; static const uint8_t MOSI = 23; static const uint8_t MISO = 19; static const uint8_t SCK = 18; #endif /* Pins_Arduino_h */