//DRUCE C ASSIGNMENT 2
//initializes/defines the output pin of the LM35 temperature sensor
int outputpin= 0;
//this sets the ground pin to LOW and the input voltage pin to high

void setup()
{
  Serial.begin(9600);

  // initialize digital pin 13,12,11,10,9,8 as an output.
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(8, OUTPUT);
}

// main loop
void loop()
{
int rawvoltage= analogRead(A1);
float millivolts= (rawvoltage/1024.0) * 5000;
float celsius= millivolts/10;
Serial.print(celsius);
Serial.print(" degrees Celsius, ");
Serial.print((celsius * 9)/5 + 32);
Serial.println(" degrees Fahrenheit");
delay(1000);

  //Condition 01 If the ambient temperature is between 0 and 5.5 degrees c .The program will turn on 1 led.
  if (celsius > 0 || celsius < 5.5)
  {
    digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
  }

  //Condition 02 If temperature is between 5.5 and 15.5 degrees then 2 leds are switched on.
  if (celsius > 5.5 || celsius < 15.5)
  {
    digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)
  }

  //Condition 03 If temperature is between 15.5 and 20.5 degrees then 3 leds are switched on.
  if (celsius > 15.5 || celsius < 20.5)
  {
    digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(11, HIGH);   // turn the LED on (HIGH is the voltage level)
  }

  //Condition 04 If the ldr is sensing lights are on and temperature is between 20.5 and 25.5 degrees then 4 leds are switched on and 1 fan is on.
  if (celsius > 20.5 || celsius < 25.5)
  {
    digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(11, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(10, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(8, HIGH);   // turn the FAN on (HIGH is the voltage level)
  }

  /*if (light > 49)
  {
  digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(11, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(10, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(8, HIGH);   // turn the FAN on (HIGH is the voltage level)
  }
  */

  //Condition 05 If lights are on and temperature is between 25.5 and 29.5 degrees then 5 leds are switched on and 1 fan is switched on.
  if (celsius > 25.5 || celsius < 29.5)
  {
    digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(11, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(10, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(9, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(8, HIGH);   // turn the FAN on (HIGH is the voltage level)
  }

  /*if (light > 49)
  {
  digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(11, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(10, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(9, HIGH);   // turn the LED on (HIGH is the voltage level)
  digitalWrite(8, HIGH);   // turn the FAN on (HIGH is the voltage level)
  }
  */

  //Condition 06  If temperature is between -5 and 0 then 5 leds are flashing at 5 hertz.
  if (celsius < 0)
  {
    digitalWrite(13, LOW);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(12, LOW);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(11, LOW);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(10, LOW);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(9, LOW);   // turn the LED on (HIGH is the voltage level)
    delay (200);
    digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(11, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(10, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(9, HIGH);   // turn the LED on (HIGH is the voltage level)
    delay (200);
  }

  //Condition 07 If temperature is above 29.5 degrees 5 leds are flashing at 15 hertz.
  if (celsius > 29.5)
  {
    digitalWrite(13, LOW);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(12, LOW);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(11, LOW);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(10, LOW);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(9, LOW);   // turn the LED on (HIGH is the voltage level)
    delay (66.6);
    digitalWrite(13, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(12, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(11, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(10, HIGH);   // turn the LED on (HIGH is the voltage level)
    digitalWrite(9, HIGH);   // turn the LED on (HIGH is the voltage level)
    delay (66.6);
  }
}