#include <Wire.h>
#include<LiquidCrystal_I2C.h>

#define pot 15
#define sw 17
bool State = LOW;
bool SwState;
bool lastSwState = HIGH;
unsigned long lastDebounceTime = 0;
unsigned long deBounceDelay = 50;

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(115200);
    pinMode(sw, INPUT);
      lcd.init();
        //lcd.clear();
          lcd.backlight();
}

void loop() {
  int val = analogRead(pot);
    int yee = map(val, 0, 4095, 0 ,100);
      //Serial.println(yee);
        lcd.setCursor(0, 0);
          lcd.print("Value POT : ");
            lcd.setCursor(12, 0);
              lcd.print(yee);
  int reading = digitalRead(sw);
    if (reading != lastSwState) {
      lastDebounceTime = millis();
    }
  if ((millis() - lastDebounceTime) > deBounceDelay) {
    if (reading != SwState) {
      SwState = reading;
        if (SwState == LOW) {
          State = !State;
        }
    }
  }
  lastSwState = reading;
    if (State == LOW) {
      lcd.setCursor(0, 1);
        lcd.print("OFF");
    }
  else {
    lcd.setCursor(0, 1);
      lcd.print(" ON");
  }
}