/*
   NikiSite
   Created by Farhad Nikkhah
   Product page: https://www.nikisite.com/product/nse-a4rl
*/

#define PIN_RELAY_1  13 // the Arduino pin, which connects to the IN13 pin of relay module
#define PIN_RELAY_2  11 // the Arduino pin, which connects to the IN12 pin of relay module
#define PIN_RELAY_3  12 // the Arduino pin, which connects to the IN11 pin of relay module
#define PIN_RELAY_4  10 // the Arduino pin, which connects to the IN10 pin of relay module

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin as an output.
  pinMode(PIN_RELAY_1, OUTPUT);
  pinMode(PIN_RELAY_2, OUTPUT);
  pinMode(PIN_RELAY_3, OUTPUT);
  pinMode(PIN_RELAY_4, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(PIN_RELAY_1, HIGH);
  delay(500);
  digitalWrite(PIN_RELAY_2, HIGH);
  delay(500);
  digitalWrite(PIN_RELAY_3, HIGH);
  delay(500);
  digitalWrite(PIN_RELAY_4, HIGH);
  delay(1000);

  digitalWrite(PIN_RELAY_1, LOW);
  delay(500);
  digitalWrite(PIN_RELAY_2, LOW);
  delay(500);
  digitalWrite(PIN_RELAY_3, LOW);
  delay(500);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(1000);

  digitalWrite(PIN_RELAY_1, HIGH);
  digitalWrite(PIN_RELAY_2, HIGH);
  digitalWrite(PIN_RELAY_3, HIGH);
  digitalWrite(PIN_RELAY_4, HIGH);
  delay(1000);

  digitalWrite(PIN_RELAY_1, LOW);
  digitalWrite(PIN_RELAY_2, LOW);
  digitalWrite(PIN_RELAY_3, LOW);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(1000);

  digitalWrite(PIN_RELAY_1, HIGH);
  digitalWrite(PIN_RELAY_3, HIGH);
  delay(1000);

  digitalWrite(PIN_RELAY_1, LOW);
  digitalWrite(PIN_RELAY_2, LOW);
  digitalWrite(PIN_RELAY_3, LOW);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(1000);
  
  digitalWrite(PIN_RELAY_2, HIGH);
  digitalWrite(PIN_RELAY_4, HIGH);
  delay(1000);
 
  digitalWrite(PIN_RELAY_1, LOW);
  digitalWrite(PIN_RELAY_2, LOW);
  digitalWrite(PIN_RELAY_3, LOW);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(1000);

  digitalWrite(PIN_RELAY_1, HIGH);
  digitalWrite(PIN_RELAY_4, HIGH);
  delay(1000);
   
  digitalWrite(PIN_RELAY_1, LOW);
  digitalWrite(PIN_RELAY_2, LOW);
  digitalWrite(PIN_RELAY_3, LOW);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(1000);

  digitalWrite(PIN_RELAY_2, HIGH);
  digitalWrite(PIN_RELAY_3, HIGH);
  delay(1000);
   
  digitalWrite(PIN_RELAY_1, LOW);
  digitalWrite(PIN_RELAY_2, LOW);
  digitalWrite(PIN_RELAY_3, LOW);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(1000);

  digitalWrite(PIN_RELAY_1, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_1, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_3, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_3, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_4, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_2, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_2, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_1, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_1, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_3, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_3, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_4, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_2, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_2, LOW);
  delay(100);

    digitalWrite(PIN_RELAY_1, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_1, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_3, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_3, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_4, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(100);

  digitalWrite(PIN_RELAY_2, HIGH);
  delay(100);
  digitalWrite(PIN_RELAY_2, LOW);
  delay(1000);

  digitalWrite(PIN_RELAY_1, HIGH);
  delay(500);
  digitalWrite(PIN_RELAY_4, HIGH);
  delay(500);
  digitalWrite(PIN_RELAY_2, HIGH);
  delay(500);
  digitalWrite(PIN_RELAY_3, HIGH);
  delay(500);

  digitalWrite(PIN_RELAY_1, LOW);
  digitalWrite(PIN_RELAY_2, LOW);
  digitalWrite(PIN_RELAY_3, LOW);
  digitalWrite(PIN_RELAY_4, LOW);
  delay(1000);
}