/******************************************
|   LED SEQUENCE PROGRAM USING ESP32      |
|    SUBMITTED BY:      |
| SUBMITTED TO: PROF. MICHAEL T. SAMONTE  |
|*****************************************/

// Define LED Pins
#define LED1 18
#define LED2 19
#define LED3 21

void setup() {
  // Set LED pins as OUTPUT
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
}
void loop() {
  //(Back and Forth)
  digitalWrite(LED1, HIGH);
  delay(600);
  digitalWrite(LED1, LOW);
  
  digitalWrite(LED2, HIGH);
  delay(600);
  digitalWrite(LED2, LOW);
  
  digitalWrite(LED3, HIGH);
  delay(600);
  digitalWrite(LED3, LOW);
  
  digitalWrite(LED2, HIGH);
  delay(600);
  digitalWrite(LED2, LOW);
  
  digitalWrite(LED1, HIGH);
  delay(600);
  digitalWrite(LED1, LOW);
  //*****************************

  delay(400);

   //Alternate Blink
  digitalWrite(LED1, HIGH);
  digitalWrite(LED2, HIGH);
  delay(600);
  digitalWrite(LED1, LOW);
  digitalWrite(LED2, LOW);

  digitalWrite(LED3, HIGH);
  delay(600);
  digitalWrite(LED3, LOW);
  delay(400);

  digitalWrite(LED2, HIGH);
  digitalWrite(LED3, HIGH);
  delay(600);
  digitalWrite(LED2, LOW);
  digitalWrite(LED3, LOW);

  digitalWrite(LED1, HIGH);
  delay(600);
  digitalWrite(LED1, LOW);
  //**************************

  delay(400);

//All LEDs blink simultaneously
  digitalWrite(LED1, HIGH);
  digitalWrite(LED2, HIGH);
  digitalWrite(LED3, HIGH);
  delay(600);

  digitalWrite(LED1, LOW);
  digitalWrite(LED2, LOW);
  digitalWrite(LED3, LOW);
  delay(600);

  digitalWrite(LED1, HIGH);
  digitalWrite(LED2, HIGH);
  digitalWrite(LED3, HIGH);
  delay(600);

  digitalWrite(LED1, LOW);
  digitalWrite(LED2, LOW);
  digitalWrite(LED3, LOW);
  delay(600);
//*****************************

  //Random Blink
  digitalWrite(LED1, random(0, 2));
  digitalWrite(LED2, random(0, 2));
  digitalWrite(LED3, random(0, 2));
  delay(500);
}