/*
  NLSF595 Arduino Shift Register example for Wokwi
  Copyright (C) 2021, Uri Shaked
  
  License: MIT.
*/

const int dataPin = 2;   /* SI */
const int clockPin = 3;  /* SCK */
const int latchPin = 4;  /* RCK */

void setup() {
  pinMode(dataPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(latchPin, OUTPUT);
}

void sendData(uint8_t pattern) {
  digitalWrite(latchPin, LOW);
  shiftOut(dataPin, clockPin, LSBFIRST, pattern);
  digitalWrite(latchPin, HIGH);
}

void loop() {
  // Red
  sendData(0b11011011);
  delay(500);

  // Green
  sendData(0b10110111);
  delay(500);

  // Purple
  sendData(0b01001011);
  delay(500);
}