Controlling a MAX7219 8-Digit LED Display Working with shift registers

/*

* LedControl library: https://github.com/wayoda/LedControl

*

*/

#include "LedControl.h"

// Initialise the LedControl library

// pin 7 on DIN,

// pin 6 on Clk,

// pin 5 on LOAD

// number of displays: 1

LedControl lc = LedControl(7, 6, 5, 1);

void setup() {

// On startup, the MAX72XX chip is in power-safe mode

// we are waking this chip for device 0 with the shutdown command

lc.shutdown(0, false);

// Set the intensity of the screen on device 0 with a value between 0 and 15

lc.setIntensity(0, 5);

// Clear the display of device 0

lc.clearDisplay(0);

// On device 0, position 0, show an 8, without decimal dot

lc.setDigit(0, 0, 8, false);

// On device 0, position 2, show a 5, with decimal dot

lc.setDigit(0, 2, 5, true);

// On device 0, position 4, show an A, without decimal dot

lc.setChar(0, 4, 'A', false);

//

// N

// NW NE

// M

// SW SE

// S D

//

// D N NE SE S SW NW M

lc.setRow(0, 6, B01001001);

}

void loop() {}