// Hello Matrix // by Nicholas Zambetti // Demonstrates the use of the Matrix library // For MAX7219 LED Matrix Controllers // Blinks welcoming face on screen // Created 13 February 2006 /* create a new Matrix instance pin 0: data (din) pin 1: load (load) pin 2: clock (clk) */ Matrix myMatrix = Matrix(0, 2, 1); void setup() { } void loop() { myMatrix.clear(); // clear display delay(1000); // turn some pixels on myMatrix.write(1, 5, HIGH); myMatrix.write(2, 2, HIGH); myMatrix.write(2, 6, HIGH); myMatrix.write(3, 6, HIGH); myMatrix.write(4, 6, HIGH); myMatrix.write(5, 2, HIGH); myMatrix.write(5, 6, HIGH); myMatrix.write(6, 5, HIGH); delay(1000); }