54 lines
1.3 KiB
ReStructuredText
54 lines
1.3 KiB
ReStructuredText
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Grove LCD
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#########
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Overview
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========
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This sample displays an incrementing counter through the Grove LCD, with
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changing backlight.
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Requirements
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============
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To use this sample, the following hardware is required:
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* Arduino 101 or Quark D2000 Devboard
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* `Grove LCD module`_
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* `Grove Base Shield`_ [Optional]
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Wiring
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======
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You will need to connect the Grove LCD via the Grove shield onto a board that
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supports Arduino shields.
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On some boards you will need to use 2 pull-up resistors (10k Ohm) between the
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SCL/SDA lines and 3.3V.
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.. note::
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The I2C lines on Quark SE Sensor Subsystem does not have internal pull-up, so
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external one is required.
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Take note that even though SDA and SCL are connected to a 3.3V power source, the
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Grove LCD VDD line needs to be connected to the 5V power line, otherwise
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characters will not be displayed on the LCD (3.3V is enough to power just the
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backlight).
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Building and Running
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====================
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This sample should work on any board that has I2C enabled and has an Arduino
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shield interface. For example, it can be run on the Quark D2000 DevBoard as
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described below:
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.. code-block:: console
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$ make BOARD=quark_d2000_crb
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$ make flash
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.. _Grove Base Shield: http://wiki.seeedstudio.com/wiki/Grove_-_Base_Shield
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.. _Grove LCD module: http://wiki.seeed.cc/Grove-LCD_RGB_Backlight/
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