gistfile1.ino

// 2 - 8 D0 - D6
// 9 - MR
// A0 - A0
// A1 - A1
// A2 - A2
// A3 - E1
// A3 - E2

int ledBlock = 0;
 
void setup() {
 pinMode(2, OUTPUT); // D0
 pinMode(3, OUTPUT); // D1
 pinMode(4, OUTPUT); // D2
 pinMode(5, OUTPUT); // D3
 pinMode(6, OUTPUT); // D4
 pinMode(7, OUTPUT); // D5
 pinMode(8, OUTPUT); // D6
 pinMode(9, OUTPUT); // MR
 pinMode(14, OUTPUT); // A0
 pinMode(15, OUTPUT); // A1
 pinMode(16, OUTPUT); // A2
 pinMode(17, OUTPUT); // E1
 pinMode(18, OUTPUT); // E2
 for (int y = 14; y < 17;y++){
   digitalWrite(ledBlock,LOW);
 }
 Serial.begin(9600);
 
 //Unset clear (MR)
 digitalWrite(9, HIGH);
 
 //Pull chipselect E to LOW
 digitalWrite(17, LOW);
 digitalWrite(18, LOW);
}

void loop() {
  //digitalWrite(i, !digitalRead(i));
  for (int thisPin = 0; thisPin < 128; thisPin++) {
    for (int bitje = 2; bitje < 9; bitje++){
      digitalWrite(bitje, bitRead(thisPin,bitje-2));
    }
  
  
  //chip select
  digitalWrite(14, bitRead(ledBlock,0));
  digitalWrite(15, bitRead(ledBlock,1));
  digitalWrite(16, bitRead(ledBlock,2));
  digitalWrite(17, HIGH);
  digitalWrite(17, LOW);
  //delay(25);
  }
  if (ledBlock == 5) {
    ledBlock = 0;
    digitalWrite(9,LOW);
    //delay(100);
    digitalWrite(9,HIGH);
    
  }else{
    ledBlock++;
  }

  
}