#include <LiquidCrystal_I2C.h>
#include <DHT.h>

#define DHTPIN 4
#define DHTTYPE DHT11

LiquidCrystal_I2C lcd(0x27, 16, 2);
DHT dht(DHTPIN, DHTTYPE);

float mapTemperature(float temp) {
  return map(temp, -130, 3, 25, 45);
}

void setup() {
    dht.begin();
    lcd.init();
    lcd.backlight();
}

void loop() {
    delay(2000);
    float humi = dht.readHumidity();
    float tempC = dht.readTemperature();
    
    lcd.clear();
    if (isnan(humi) || isnan(tempC)) {
        lcd.setCursor(0, 0);
        lcd.print("נכשל");
    } else {
        lcd.setCursor(0, 0);
        lcd.print("Temp: ");
        lcd.print(tempC);
        lcd.print("C");
        
        float mappedTemp = mapTemperature(tempC);
        lcd.setCursor(0, 1);
        lcd.print("Mapped: ");
        lcd.print(mappedTemp);
        lcd.print("C");
    }
}