# Lighting

**RGB LED**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/codey-led.png)

The RGB LED is situated at the bottom Codey's face panel. Codey's RGB LED consists of 3 LEDs, namely red LED, green LED, and blue LED. You can get different colors by controling brightness of each LED.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/rocky-led.png)

At the center of Rocky's Color IR Sensor is the RGB LED, which consists of 3 LEDs, red LED, green LED, and blue LED. By lighting on or off each LED, you can get seven different colors.

### 1. RGB LED lights up () for () secs <a href="#id-1-rgb-led-lights-up--for--secs" id="id-1-rgb-led-lights-up--for--secs"></a>

Light up Codey's RGB LED a specified color for a specified period of time.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-1-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-1-2.png)

Press Button A, Codey's LED will light up red, and light off after 1 second.

### 2. RGB LED lights up () <a href="#id-2-rgb-led-lights-up" id="id-2-rgb-led-lights-up"></a>

Light up Codey's RGB LED a specified color.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-2-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-2-2.png)

Press Button A, Codey's LED will light up red.

### 3. set the indicator () with color value () <a href="#id-3-set-the-indicator-with-color-value" id="id-3-set-the-indicator-with-color-value"></a>

Set the specified LED indicator with specified color value. There are three LED indicators: red, green, and blue.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-3-1.png)

Change the color value of one LED indicator will not affect the color value of the other two LED indicators.

**Parameters:**

* Red: 0 \~ 255
* Green: 0 \~ 255
* Blue: 0 \~ 255

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-3-2.png)

Press Button A, Codey's RGB LED will light up yellow.

### 4. RGB LED lights off <a href="#id-4-rgb-led-lights-off" id="id-4-rgb-led-lights-off"></a>

Turn off Codey's RGB LED.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-4-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-4-2.png)

Press Button A, Codey's RGB LED will light up yellow, and light off after 3 seconds.

### 5. set Rocky's light with color () <a href="#id-5-set-rockys-light-with-color" id="id-5-set-rockys-light-with-color"></a>

Set Rocky's RGB LED a specified color. There are seven colors: red, green, blue, yellow, cyan, purple, and white.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-5-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-5-2.png)

Press Button A, Rocky's RGB LED will light up blue.

### 6. Rocky lights off <a href="#id-6-rocky-lights-off" id="id-6-rocky-lights-off"></a>

Turn off Rocky's RGB LED.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-6-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/lighting-6-2.png)

Press Button A, Rocky's RGB LED will light up blue, and light off after 2 seconds.