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

#define DHTPIN 8
#define DHTTYPE DHT22  

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

void setup () {
lcd.init() ;
lcd.clear() ;
lcd.backlight();

dht.begin() ; // intial of DHT22

ATTC_servo.attach(9); // PWM ขา 9
lcd.setCursor(0,0);
lcd.print("Temp & Humidity") ;
delay(1000);
lcd.clear() ;

}

void loop () {
float temperature = dht.readTemperature () ;
float humidity = dht.readHumidity () ;

lcd.setCursor (0,0);
lcd.print(" Temp = ");
lcd.print(temperature,1);
lcd.print(" C ");

lcd.setCursor (0,1);
lcd.print(" Humi = ");
lcd.print(humidity,1);
lcd.print(" % ");

int servoposition = map(temperature,-40,80,0,180);
servoposition = constrain(servoposition,0,180);
ATTC_servo.write(servoposition);
delay(1000);

}