#include <LiquidCrystal_I2C.h>
#include <Servo.h>
#define servo 2
Servo serv;
#define btn 3
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
pinMode(btn, INPUT_PULLUP);
  lcd.init();
  lcd.backlight();
  serv.attach(2);
}
void loop() {
  int butt = digitalRead(3);
  int lux = analogRead(A1);
  int pot = analogRead(A0); 
  int ugol = map(pot, 0, 180, 0, 100);
  const float BETA = 3950;
  int analogValue = analogRead(A2);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  static uint32_t tmr;
    if(millis() - tmr >= 500){
      tmr = millis();
      lcd.clear();
      lcd.home();
      lcd.print(analogValue);
      lcd.setCursor(0,1);
      lcd.print(ugol);
    }
  if(!butt == 1) {
    static uint32_t tmr;
    if(millis() - tmr >= 500){
      tmr = millis();
      lcd.clear();
      lcd.home();
      lcd.print(celsius);
    }
  }
  if(pot == 0 && lux < 150) {
    serv.write(0);
  }
  if(pot == 0 && lux > 150) {
    serv.write(0);
  }
}