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

void setup()
{
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 1);

}

void loop()
{
 //Lux
double Light (int RawADC0){
double Vout=RawADC0*0.0048828125;
//int lux=500/(10*((5-Vout)/Vout));//use this equation if the LDR is in the upper part of the divider
int lux=(2500/Vout-500)/10;
return lux;
}
void setup() {
Serial.begin(115200);
}
void loop() {
Serial.println(int(Light(analogRead(0))));
delay(1000);
}

}