#include <LiquidCrystal.h>
    LiquidCrystal lcd(7, 8, 9, 10, 11, 12);
    int analogInput = A0;
    float out = 0;
    int value = 0;
    void setup(){
    pinMode(analogInput, INPUT);
    lcd.begin(16, 2);
    lcd.print("Fenyerosseg mero");
    }
    void loop(){
    value = analogRead(analogInput);
    out = (1024-value);
    if (out<25) {
    out=0.0;
    }
    lcd.setCursor(0, 1);
    lcd.print("Ertek= ");
    lcd.print(out);
    delay(500);
    }