//Group 3 BSCpE-4B
//Laboratory No. 11

#include <dht.h> // DHT sensor
#include <Servo.h> // Servo

dht DHT;
Servo Servo1, Servo2;
// Pins
int Button = 12;
int LED = 13;
int DHT22 = 2;
int Potentiometer = 0;
int pos = 0;
int value;
int ledFlag = 0;


void setup() 
{
  Serial.begin(9600);
  pinMode(LED, OUTPUT);
  pinMode(Button,INPUT);
  Servo1.attach(10);
  Servo2.attach(9);

}

void loop() 
{
  int chk = DHT.read22(DHT22);
  if (digitalRead(Button)==HIGH)
  {
    if (ledFlag==0)
     {
      ledFlag=1;
      digitalWrite(LED,HIGH);
      Serial.println("Device Status:  ON");

      if (DHT.humidity < 50 && DHT.temperature < 25)
      {
        automaticRotate();
      }
      else
      {
        manualRotate();
      }
    }
    else 
    {                        
      ledFlag=0;     
    } 
  }
  else 
  {                        
      digitalWrite(LED,LOW);
      Serial.println("Device Status:  OFF");      
  }
}

void manualRotate()
{
    value = analogRead(Potentiometer);
    value = map(value, 0, 1023, 0, 180);
    Servo1.write(value);
    Servo2.write(value);
    delay(10);
}

void automaticRotate()
{
  Serial.print("Temperature:  ");
  Serial.println(DHT.temperature);
  Serial.print("Humidity:  ");
  Serial.println(DHT.humidity);

  for (pos = 180; pos >= 0; pos -= 1) 
  { 
    Servo1.write(pos);
    Servo2.write(pos);              
    delay(10);                       
  }

  for (pos = 0; pos <= 180; pos += 1) 
  { 
    Servo1.write(pos);
    Servo2.write(pos);            
    delay(10);                       
  }
}