IDeATe

Outcome

Goal:

1. Turning on the lights inside the aquarium kit automatically when it's getting dark, and makes the color varies at night for aesthetic purpose.

2. When the pressure inside the aquarium kit gets high, turn on several red LED for warning.

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IOT assignment1 - Aquarium kit light system from Xi Liu on Vimeo.

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/****************RGB LED**************/
int redPin = A1;
int greenPin = D1;
int bluePin = D0;

int colors[3] = {255,255,255};

/************light sensor**************/
int photoCellPin = A0;
int ledPin = D7;
int photoCellReading = 0;

/************force sensor**************/
int forcePin = A6;
int forceCellReading = 0;
int redLedLinePin = A5;



int debugValue = 0;

void setup()
{
  /************setting LED************/
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);

  pinMode(redLedLinePin, OUTPUT);

  digitalWriteColor();

  /********setting photosensor********/
  pinMode(ledPin, OUTPUT);

  /**********report to cloud**********/
  //Spark.function("led",ledControl);
  Spark.variable("light", &photoCellReading, INT);
  Spark.variable("force", &forceCellReading, INT);
  Spark.variable("red", &colors[0], INT);
  Spark.variable("green", &colors[1], INT);
  Spark.variable("blue", &colors[2], INT);
  Spark.variable("debug", &debugValue, INT);
//  RGB.color(redV, greenV, blueV);
}

void loop()
{
  /****reading the value of light sensor****/
  photoCellReading = analogRead(photoCellPin);
  forceCellReading = analogRead(forcePin);

  /****random the color while the light changing****/
  if(photoCellReading > 200 && photoCellReading < 1000)
    ledSingleColorRandom();
  if(photoCellReading <= 200)
    ledAllColorRandom();
  else
    {
      digitalWriteColor();
      debugValue = 0;
    }
  /**** the force ****/
  if(forceCellReading > 1000)
    analogWrite(redLedLinePin, random(0, 255));
  if(forceCellReading <= 1000)
    analogWrite(redLedLinePin, 0);
}


/********when the light gets dark (200 - 1000)********/
/********the RGB LED blink randomly********/
/********BUT COLOR BY COLOR********/
void ledSingleColorRandom()
{
  int randomValue = random(0, 255);
  int whichColor = random(1,100)%3;

  //colors[0] = randomValue;
  colors[whichColor] = randomValue;

  debugValue = 1;
  digitalWriteColor();

  delay(1000);
  /********set all color's value back********/
  /****!!don't forget it!!!! Setting back here****/
  for(int i = 0; i <3; i++)
  {
    colors[i] = 255;
  }
}


/********when the light gets dark (0 - 200)********/
/********the RGB LED blink randomly********/
/********ALL COLOR********/
void ledAllColorRandom()
{
  for(int i = 0; i <3; i++)
  {
    colors[i] = random( 0, 255);
  }

  debugValue = 2;
  digitalWriteColor();

  delay(800);
  /********set all color's value back********/
  /****!!don't forget it!!!! Setting back here****/
  for(int i = 0; i <3; i++)
  {
    colors[i] = 255;
  }
}

/********write the value to each color********/
void digitalWriteColor()
{
  analogWrite(redPin,colors[0]);
  analogWrite(greenPin,colors[1]);
  analogWrite(bluePin,colors[2]);
}

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