// Define the latch, clock, and data pins
#define LATCH_PIN 4
#define CLOCK_PIN 12
#define DATA_PIN 14

// Initialize the shift register
ShiftRegister74HC595<3> sr (LATCH_PIN, CLOCK_PIN, DATA_PIN);

void setup() {
  // Set all pins on the shift register to OUTPUT
  sr.setAllLow();
}

void loop() {
  // Example: Turn on the first LED on the first shift register
  sr.set(0, HIGH);
  delay(500);

  // Turn off the first LED on the first shift register
  sr.set(0, LOW);
  delay(500);
}