step-4-sample-code.txt

const int strobePin = 8;
const int clockPin = 9;
const int dataPin = 10;


void setup()
{
  pinMode(strobePin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(dataPin, OUTPUT);
  // set up our pins as OUTPUTs
  digitalWrite(strobePin, LOW); //set the strobe low so it'll accept instruction
  shiftOut(dataPin, clockPin, LSBFIRST, 0x8F);  // send the instruction to activate the board and set brightness to max
  digitalWrite(strobePin, HIGH); //we will always set the strobe high after the completion of each instruction and data set
  
  //sequential wrap-around example.
  digitalWrite(strobePin, LOW); //set strobe low for an instruction
  shiftOut(dataPin, clockPin, LSBFIRST, 0x40); //set up sequential addressing
  digitalWrite(strobePin, HIGH);  //end of instruction, strobe must go high
  digitalWrite(strobePin, LOW); //start of data, strobe must go low
  shiftOut(dataPin, clockPin, LSBFIRST, 0xCA);  // sets up the first address
  shiftOut(dataPin, clockPin, LSBFIRST, 0xFF);  // sets up a 7 segment "A"
  shiftOut(dataPin, clockPin, LSBFIRST, 0x01);  // turns on discrete LED
  shiftOut(dataPin, clockPin, LSBFIRST, 0xFF);  // sets up a 7 segment "A"
  shiftOut(dataPin, clockPin, LSBFIRST, 0x01);  // turns on discrete LED
  shiftOut(dataPin, clockPin, LSBFIRST, 0xFF);  // sets up a 7 segment "A"
  shiftOut(dataPin, clockPin, LSBFIRST, 0x01);  // turns on discrete LED
  shiftOut(dataPin, clockPin, LSBFIRST, 0xFF);  // sets up a 7 segment "A"
  shiftOut(dataPin, clockPin, LSBFIRST, 0x01);  // turns on discrete LED

  digitalWrite(strobePin, HIGH); // end of all data, strobe must go high

}

void loop() {
  // put your main code here, to run repeatedly:

}