/*
  MSJ Researchers World
  Date - 21st OCT 2024
  Mentor - Mr. Siranjeevi M
  Contact - 7373771991
*/

// Pin assignments
const int redLED = 4;
const int yellowLED = 5;
const int greenLED = 6;

void setup() 
{
  // Set all LEDs as output
  pinMode(redLED, OUTPUT);
  pinMode(yellowLED, OUTPUT);
  pinMode(greenLED, OUTPUT);
}

void loop() 
{
  // Only Red light ON for 5 seconds
  digitalWrite(redLED, HIGH);
  digitalWrite(yellowLED, LOW);
  digitalWrite(greenLED, LOW);
  delay(3000);

  // Red light OFF, Yellow light ON for 1 seconds
  digitalWrite(redLED, LOW);
  digitalWrite(yellowLED, HIGH);
  delay(1000);

  // Yellow light OFF, Green light ON for 5 seconds
  digitalWrite(yellowLED, LOW);
  digitalWrite(greenLED, HIGH);
  delay(5000);
}