#include <LiquidCrystal_I2C.h> // address, width, height
LiquidCrystal_I2C lcd(0x27, 20, 4);
const float BETA = 3950; // should match the Beta Coefficient of the thermistor

void setup() {
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
}

void loop() {
  int analogValue = analogRead(A0);
  float TempC = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  float TempF = TempC * 9 / 5 + 32;
  Serial.print("Temperatura: ");
  Serial.print(TempC);
  Serial.print(" ℃");
  Serial.print("  ~  "); // separator between Celsius and Fahrenheit
  Serial.print(TempF);   // print the temperature in Fahrenheit
  Serial.println("°F");
  lcd.setCursor(0,0);
  lcd.print("Temp: ");
  lcd.print(TempC);   // print the temperature in Celsius
  lcd.print(" °C");
  lcd.setCursor(6,1);
  lcd.print(TempF);   // print the temperature in Fahrenheit
  lcd.println("°F");
  delay(1000);
}