Hardware
- D4-D7 -> LCD Data transmission
- D8 -> Register Select RS
- D9 -> Enable pin
- D10 -> Backlight control
- A0 -> Buttons
( For full schematic diagram see bottom of this blog post.
Up | ||||
Select | Left | Right | RST(Arduino Reset) | |
Down |
RST is the Arduino reset button
Some of this shields have issues when using D10 / backlight. Read this information
http://forum.arduino.cc/index.php?PHPSESSID=405c15ceb3c97e7b519cfc2241b94dac&topic=96747.0
before trying to use D10 / Backlight.
Test program
Links
- http://www.dfrobot.com/index.php?route=product/product&product_id=51#.V6Nxv9R96t8
- http://www.dfrobot.com/wiki/index.php?title=Arduino_LCD_KeyPad_Shield_(SKU:_DFR0009)
- http://www.hobbytronics.co.uk/arduino-lcd-keypad-shield
- https://create.arduino.cc/projecthub/niftyjoeman/osepp-lcd-and-keypad-shield-d5b46e
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