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

#define  DHTPIN 8
#define  DHTTYPE  DHT22

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

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

dht.begin(); //intitial of DHT22

ATTC_servo.attach(9); // PWM ขา9

lcd.setCursor(0,0);
lcd.print("Temp & Humidity");
delay(2000);
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);
}