// Define the GPIO pins
#define DATA_PIN   25  // DS
#define CLOCK_PIN  33  // SH_CP
#define LATCH_PIN  26   // ST_CP
#define ctrl 22
#define DATA_PIN2   27  // DS

void setup() {
  pinMode(DATA_PIN2, OUTPUT);
  pinMode(DATA_PIN, OUTPUT);
  pinMode(CLOCK_PIN, OUTPUT);
  pinMode(LATCH_PIN, OUTPUT);
  pinMode(ctrl, OUTPUT);
  digitalWrite(32, HIGH);
}

void loop() {
  delay(1500);
    digitalWrite(ctrl, LOW);
  digitalWrite(LATCH_PIN, LOW);  // Prepare to send data
  shiftOut(DATA_PIN, CLOCK_PIN, MSBFIRST, 11111111);  // Send data (example pattern)
  shiftOut(DATA_PIN2, CLOCK_PIN, MSBFIRST, 11111111);  // Send data (example pattern)
  digitalWrite(LATCH_PIN, HIGH);  // Latch the data to output pins
  
  delay(500);  // Wait for a while
    digitalWrite(ctrl, HIGH);
}