#define LDR_PIN 2
#include <LiquidCrystal_I2C.h>
#include <ArduinoJson.h>
DynamicJsonDocument doc(1024);
byte sensorPin = 14;
String abc;
byte relay=12;

LiquidCrystal_I2C lcd(0x27, 20, 4);
void setup() 
{
  Serial.begin(115200);
  pinMode(LDR_PIN, INPUT);
  pinMode(sensorPin, INPUT);
  pinMode(relay, OUTPUT);
  lcd.init();
  lcd.backlight();
}
void loop() 
{
  int sensorValue = digitalRead(sensorPin);

  if (digitalRead(LDR_PIN) == LOW) 
  {
    abc="Light";
    digitalWrite(relay,HIGH);
  } 
  else 
  {
    abc="Dark ";
    digitalWrite(relay,LOW);
  }
  lcd.setCursor(0,0);
  lcd.print("M_S: ");
  lcd.print(sensorValue);


  lcd.setCursor(0,2);
  lcd.print("Room Status: ");
  lcd.print(abc);




  delay(1000);
  
}