#include <LiquidCrystal_I2C.h>
#define I2C_ADDR  0x27
#define LCD_COLLUMNS 16
#define LCD_LINES 2

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLLUMNS, LCD_LINES);

float gerilim=0;
int olcumucu=0;
float deger=0;
float volt=0;
void setup(){

pinMode(8, OUTPUT);
pinMode(10, OUTPUT);
//         SDA SCL
Wire.begin(12, 13);
lcd.init();
lcd.backlight();
pinMode(olcumucu,INPUT);
}

void loop() {
lcd.clear();
gerilim=analogRead(olcumucu);
volt=(gerilim*5)/4096;
lcd.print("Gerilim = ");
lcd.print(gerilim);
lcd.setCursor(0,1);
lcd.print("Volt = ");
lcd.print(volt);

delay(1000);


}