#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

int datacahaya;
const int lampu1 = 8;
const int lampu2 = 12;

void setup() 
{
  lcd.init();
  lcd.backlight();
  pinMode(lampu1, OUTPUT);
  pinMode(lampu2, OUTPUT);
}

void loop() 
{
 datacahaya = analogRead(A7);
 lcd.clear();
 lcd.setCursor (0,0);
 lcd.print("data sensor c :");
 lcd.setCursor (0,1);
 lcd.print(datacahaya);

 if (datacahaya > 400)
 {
  digitalWrite(lampu1, HIGH); 
  digitalWrite(lampu2, LOW); 
 }
 else if (datacahaya > 600)
 {
  digitalWrite(lampu1, LOW);
  digitalWrite(lampu2, HIGH);
 }
 else 
 {
  digitalWrite(lampu1, LOW);
  digitalWrite(lampu2, LOW);
 }
  delay(500);
}