// LCD1602 to Arduino Uno connection example
#include <DHT.h>;
#include <LiquidCrystal.h>
#include <Servo.h>
//Constants


#define DHTPIN 2     // DHT SDA pin connected to Pin 2
#define DHTTYPE DHT22   // DHT 22 
DHT dht(DHTPIN, DHTTYPE); //// Initialize DHT sensor for normal 16mhz Arduino
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
Servo myservo;  // create servo object to control a servo



//Variables
int chk;
float hum;  //Stores humidity value
float temp; //Stores temperature value
int temp1; // displacement in degree
void setup()
{
  
  lcd.begin(16, 2);
  // you can now interact with the LCD, e.g.:

  lcd.print("Green house automation");
  lcd.setCursor(0,0);
  myservo.attach(5);  // attaches the servo on pin 5 to the servo object

  Serial.begin(9600);
  dht.begin();
}

void loop()
{
    delay(2000);
    //Read data and store it to variables hum and temp
    hum = dht.readHumidity();
    temp= dht.readTemperature();
    
    //Print temp and humidity values to serial monitor
    lcd.setCursor(0, 0);
    lcd.print("Humi: ");
    lcd.setCursor(5, 0);
    lcd.print(hum);
    lcd.setCursor(7, 0);
    lcd.print("%,Temp: ");
    lcd.setCursor(14, 0);
    lcd.print(temp);// reads the value of the potentiometer (value between 0 and 1023)
    temp1 = map(temp, 0,63,0, 180);     // scale it to use it with the servo (value between 0 and 180)
   // temp1= 180;
    myservo.write(temp1);                  // sets the servo position according to the scaled value
    Serial.print(temp1);
    delay(15);  
    lcd.setCursor(0,1);
    lcd.print("Motor on :");    
    lcd.setCursor(11, 1);
    lcd.print(temp1);   
    
    delay(10000); //Delay 2 sec.
}