#pragma mark - Depend MAX7219LedMatrix library /* cd ~/Arduino/libraries git clone https://github.com/Xinyuan-LilyGO/MAX7219LedMatrix */ #include #include #define NUMBER_OF_DEVICES 8 //! T-Block led Matrix #define MATRIX_MSIO 23 //No use #define MATRIX_MOSI 18 #define MATRIX_CS 19 #define MATRIX_SCLK 14 LedMatrix ledMatrix = LedMatrix(NUMBER_OF_DEVICES, MATRIX_CS); void setup() { SPI.begin(MATRIX_SCLK, MATRIX_MSIO, MATRIX_MOSI, MATRIX_CS); ledMatrix.init(); ledMatrix.setText("Hello world"); } void loop() { ledMatrix.clear(); ledMatrix.scrollTextLeft(); ledMatrix.drawText(); ledMatrix.commit(); delay(50); }