#include <ESP32Servo.h>
#include "DHTesp.h"
#include <Stepper.h>
#include <LiquidCrystal_I2C.h> 

// servo
const int servoPin = 18;
Servo servo;
// dht
const int DHT_PIN = 12;
DHTesp dhtSensor;
// stepper
float stepmax = 600;
Stepper Stepper1(stepmax, 14, 27, 26,25);
float step1;
float speed1;
// lcd
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  Serial.begin(115200);

  servo.attach(servoPin, 500, 2400);
  servo.write(0);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  speed1 = 10;
  
  lcd.init();
  lcd.backlight();
}

int pos = 0;

void loop() {
  // วัดค่า
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
   lcd.setCursor(1,0);
  lcd.print("Temp: " + String(data.temperature,2 ) + " C");
  lcd.setCursor(1,1);
  lcd.print("Humi: " + String(data.humidity,1 ) + "%");
  if (data.temperature > 45) {
    
    servo.write(45);
    lcd.setCursor(1,2);
    lcd.print("Light: Close  ");
  }
  else if (data.temperature < 43 ) {
    
    servo.write(180);
    lcd.setCursor(1,2);
    lcd.print("Light: Open  ");
  }
  // หมุนนนนนนนนน
  if (data.humidity > 70) {
    
    Stepper1.step(50);
    lcd.setCursor(1,3);
    lcd.print("Fan: Open  ");

  } 
  else if (data.humidity < 50) {
    
    Stepper1.step(0);
    lcd.setCursor(1,3);
    lcd.print("Fan: Close  ");
  }
}