Mood Lamp

Mood Lamp basically is a RGB led lamp made with 10 RGB led connected in parallel. This lamp is controlled by microcontroller which changes its colour through PWM pins.

RGB led 

                                   

PARTS USED

• RGB LEDs
• PCB
• Power supply (9v)
• Arduino microcontroller
• Transistor TIP122
• Solder iron

Schematic 

RGB led lamp Circuit

Code

int redPin = 6;

int greenPin = 15;

int bluePin = 3;

void setup()

{

  pinMode(redPin, OUTPUT);

  pinMode(greenPin, OUTPUT);

  pinMode(bluePin, OUTPUT);  

}

void loop()

{

  setColor(255, 0, 0);  // red

  delay(1000);

  setColor(0, 255, 0);  // green

  delay(1000);

  setColor(0, 0, 255);  // blue

  delay(1000);

  setColor(255, 255, 0);  // yellow

  delay(1000);  

  setColor(80, 0, 80);  // purple

  delay(1000);

  setColor(0, 255, 255);  // aqua

  delay(1000);

}

void setColor(int red, int green, int blue)

{

  analogWrite(redPin, red);

  analogWrite(greenPin, green);

  analogWrite(bluePin, blue);  

}

Change the code as per your project.