#include <LiquidCrystal_I2C.h>
#include <Wire.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#define a 6
#define b 2
#define c 3
#define d 4
#define e 5

#define g 7

#define led1 8
#define led2 9
#define led3 10
#define sw1 11
#define sw2 12
#define sw3 13
int state = 0;
int s1;
int s2;
int s3;

void setup() {
  Serial.begin(9600);
  for (int i = 1; i <= 10; i++) {
    pinMode(i, OUTPUT);
  }
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(sw1, INPUT_PULLUP);
  pinMode(sw2, INPUT_PULLUP);
  pinMode(sw3, INPUT_PULLUP);
  pinMode(a, OUTPUT);
  pinMode(b, OUTPUT);
  pinMode(c, OUTPUT);
  pinMode(d, OUTPUT);
  pinMode(e, OUTPUT);
  
  pinMode(g, OUTPUT);

  lcd.begin(16, 2);
  lcd.backlight();
 
  




}

void loop() {
  if(digitalRead(sw1)==LOW){
    lcd.clear();
    state = 1;
  }
  if(digitalRead(sw2)==LOW){
  lcd.clear();
    state = 2;
  }
  if(digitalRead(sw3)==LOW){
  lcd.clear();
    state = 3;
  }

  if (state == 0) {


    lcd.setCursor(5, 0);
    lcd.print("Ready");
    lcd.setCursor(4, 1);
    lcd.print("Ponlakit");
    digitalWrite(a, HIGH);
    digitalWrite(b, HIGH);
    digitalWrite(c, HIGH);
    digitalWrite(d, HIGH);
    digitalWrite(e, HIGH);
    
    digitalWrite(g, HIGH);

  }
  else if (state == 1) {
   
    lcd.setCursor(5, 0);
    lcd.print("NAWAMIN");
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, LOW);
    digitalWrite(b, LOW);
    digitalWrite(c, LOW);
    digitalWrite(a, HIGH);
    digitalWrite(d, HIGH);
    digitalWrite(e, HIGH);
    
    digitalWrite(g, HIGH);
    
  }
   else if (state == 2) {
  
    
    lcd.setCursor(3, 0);
    lcd.print("ELECTRONIC");
    lcd.setCursor(5, 1);
    lcd.print("VC.2");
    digitalWrite(a, LOW);
    digitalWrite(b, LOW);
    digitalWrite(c, HIGH);
    digitalWrite(d, LOW);
    digitalWrite(e, LOW);
   
    digitalWrite(g, LOW);

    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(2000);
     digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(2000);
   

    
  }
    else if (state == 3) {


     

    lcd.setCursor(3, 0);
    lcd.print("END PROGRAM");
    digitalWrite(b, LOW);
    digitalWrite(c, LOW);
    digitalWrite(a, LOW);
    digitalWrite(d, LOW);
    digitalWrite(e, HIGH);
    
    digitalWrite(g, LOW);

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    delay(500);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    delay(500);
    
    state = 0;
    lcd.clear();


   
    
  }
  Serial.println(sw1);

}