#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT22

#include<LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

#include <Servo.h>
Servo myservo;

DHT dht(DHTPIN,DHTTYPE);
float hum;
float temp;

int relay1=4;
int relay2=5;
int relay3=6;

int led1 = 10;
int led2 = 11;
int led3 = 12;


void setup() {
Serial.begin(9600);
myservo.attach(9);
dht.begin();
Serial.println("ตรวจสอบความชื้นและอุณหภูมิ");
pinMode(relay1,OUTPUT);
pinMode(relay2,OUTPUT);
pinMode(relay3,OUTPUT);

pinMode(led1,OUTPUT);
pinMode(led2,OUTPUT);
pinMode(led3,OUTPUT);

lcd.init();
lcd.backlight();
lcd.setCursor(5,0);
lcd.print("TEAMMY");
lcd.setCursor(3,1);
lcd.print("SE.2/3 No.1");
delay(3000);
lcd.clear();

lcd.setCursor(3,0);
lcd.print("Humidity &");
lcd.setCursor(3,1);
lcd.print("Temperature");
delay(3000);
lcd.clear();

}

void loop() {
hum = dht.readHumidity();
temp = dht.readTemperature();

Serial.print("Humidity: ");
Serial.print(hum);
Serial.print("%,Temperature: ");
Serial.print(temp);
Serial.println(" Celsius");

lcd.init();
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("Humidity: ");
lcd.setCursor(9,0);
lcd.print(hum);
lcd.setCursor(15,0);
lcd.print("%");
lcd.setCursor(2,1);
lcd.print("Temp: ");
lcd.setCursor(8,1);
lcd.print(temp);
lcd.setCursor(14,1);
lcd.print("C.");



if(hum>=40&&hum<=60){
myservo.write(90);
digitalWrite(led1,1);
digitalWrite(led2,0);
digitalWrite(led3,0);
}
else if (hum>60&&hum<=100){
myservo.write(45);
digitalWrite(led1,0);
digitalWrite(led2,1);
digitalWrite(led3,0);
}
else if (hum<40){
myservo.write(180);
digitalWrite(led1,0);
digitalWrite(led2,0);
digitalWrite(led3,3);
}
if(temp>=0&&temp<20){
digitalWrite(relay1,1);
digitalWrite(relay2,0);
digitalWrite(relay3,0);
}
else if(temp>=20&&temp<40){
digitalWrite(relay1,0);
digitalWrite(relay2,1);
digitalWrite(relay3,0);
}
else if(temp>=40&&temp<=50){
digitalWrite(relay1,0);
digitalWrite(relay2,0);
digitalWrite(relay3,1);
}
else {
digitalWrite(relay1,0);
digitalWrite(relay2,0);
digitalWrite(relay3,0);
}


}