Grove - LCD RGB Backlight
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### Change Color of Backlight
One of Grove - LCD RGB Backlight's most important feature is changing the backlight color. It's very simple; just use the folowing function:

    void setRGB(int r, int g, int b);


### Clear display

You can clear the display by this function:

    void clear();


### Turn on and turn off display

    void noDisplay();			// turn off display
    void display();				// turn on display

### Blink

    void stopBlink();
    void blink();

### Cursor

    void noCursor();
    void cursor();

### Blink LED Backlight

    void blinkLED();
    void noBlinkLED();


* @n [Get the module here](等上架后添加商品购买链接)
* @n This example Set the volume size and play music snippet.
* @n [Connection and Diagram](等上架后添加wiki链接)
*
* Copyright	[DFRobot](http://www.dfrobot.com), 2016
* Copyright	GNU Lesser General Public License
*
* @author [yangyang](971326313@qq.com)
* version  V1.0
* date  2017-2-10
