#include <ESP32Servo.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup()
{
Wire.begin(18, 19);
lcd.init();
lcd.backlight();
}
void loop()
{
const float BETA = 3950;
int analogValue = analogRead(34);
float celsius = 1 / (log(1 / (4095. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
int temp = static_cast<int>(celsius);
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 0);
lcd.print(temp);
delay(500);
}