Grove - LCD RGB Backlight
  • Grove - LCD RGB Backlight
  • Grove - LCD RGB Backlight
  • Grove - LCD RGB Backlight
  • Grove - LCD RGB Backlight
  • Grove - LCD RGB Backlight

Grove - LCD RGB Backlight

SKU 104030001
  • Colorful RGB Backlight
  • Built-in English and Japanese fonts
  • 16x2 LCD modules
  • Automatic power-on reset
  • Grove compatible 4pin I2C connector
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    Description

    Done with tedious mono color backlight? This Grove enables you to set the color to whatever you like via the simple and concise Grove interface. It takes I2C as communication method with your microcontroller. So number of pins required for data exchange and backlight control shrinks from ~10 to 2, relieving IOs for other challenging tasks. Besides, Grove - LCD RGB Backlight supports user-defined characters. Want to get a love heart or some other foreign characters? Just take advantage of this feature and design it!

    This product is a replacement of Grove - Serial LCD. If you are looking for primitive 16x2 LCD modules, we have green yellow backlight version and blue backlight version on sale also.


    Specification

    • Input Voltage: 5V

    • Operating Current:

    • CGROM: 10880 bit

    • CGRAM: 64*8 bit

    • Colorful RGB Backlight

    • Built-in English and Japanese fonts

    • I2C communication, uses only two IOs

    • Automatic power-on reset

    For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting StartedandIntroduction to Grove before your using of the product.


    Documents

    Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.

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    Questions and Answers
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    0
    The contrast is very poor on mine. I can barely read the text. It is plugged into a Wio Link, and has 2.5a of power. Can I adjust the contrast?
    on Nov 15,2016
    Replyupvote ()
    on Nov 15,2016 16:15 PM
    Replyupvote ()
    I had the same problem. The backlight was fine, but the contrast was so poor that I could only ready the characters if I tilted the display just right. What I determined was that the voltage being supplied to the display was too low. I was powering the display from a Nano, and powering the Nano off of USB. When I read the voltage going to the display on the 5V pin, it was only about 4.3V. When I powered the Nano via the VIN pin and thus it was able to put a full 5V out of the 5V pin, the display worked just fine.
    on Feb 05,2017 04:31 AM
    Replyupvote ()
    Yes, This Grove need 5V, but the wio link/node just provide 3V. Thanks god you can see on 3V3.You need some hack for this, look this thread: http://www.seeed.cc/Grove-LCD-RGB-Backlight%3A-no-output-t-11260.html
    on Mar 02,2017 16:23 PM
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    0

    I would like to use it with a spark core. Do i need pull up resistor for i2c?

    on Oct 19,2016
    Replyupvote ()
    I think not, like Arduino, also no need pull up resistor.
    on Mar 02,2017 16:24 PM
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    0
    what is the power rating of this LCD
    on Jan 30,2017
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    0

    Is there a schematic for this anywhere? I'm trying to use it with a Grove Shield on an ST Micro Nucleo board. I've got it hooked up to my scope and am watching the i2c bus. One of the questions is the address for the LCD and RGB driver are shifted in t

    on Oct 19,2016
    Replyupvote ()

    Replying to my own post but I solved my issue. To use this display with the ST Micro Cortex M series you set the GPIO's to Open Drain, and tie them through 10K pull up resistors to 5V. Then the display will respond correctly (the ST inputs are 5v toler

    on Oct 20,2016 10:51 AM
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