#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define Lsensor 0
#define solSensor 2
DHT dht(4,DHT22);
LiquidCrystal_I2C lcd(0x27,20,4);
void setup(){
  lcd.init();
  lcd.backlight();
  dht.begin();
}
void loop() {
  float temp =dht.readTemperature();
  float hum =dht.readHumidity();
  lcd.setCursor(0,0);
  lcd .print("temperature:");

  lcd .setCursor(12,0);
  lcd.print(temp );
  lcd.setCursor(0,1);
  lcd.print("humidite:");
  lcd.setCursor(9,1);
  lcd.print(hum);
  int Light=1023-analogRead(Lsensor);
  int light=Light*0.097;
  lcd.setCursor(0,2);
  lcd.print("lumiere:");
  
  lcd.setCursor(9,2);
  lcd .print(light);
  int val=1023-analogRead(solSensor);
  val= val*0.097;
  if (light<30){
    lcd.backlight();
  }
  else
  lcd.noBacklight();
  lcd.setCursor(0,3);
  lcd.print("sol temp:");
  lcd. setCursor(9,3);
  lcd .print(val);
  delay(1000);


  
  lcd.clear();

}