BrainBlox: HD44780 LCDs

Here are the best resources we have found for understanding and learning how to use HD44780 LCDs (standard small L.iquid C.rystal D.isplays) with microcontrollers.

This article is REAL OLD AND CRUSTY but REAL APPLICABLE AND CRUSTY.  Definitely a good read just to get you understanding how these LCDs actually function.  Note: with an Arduino you will not actually have to bang the bits but this is what’s happening behind the scenes.

http://lcd-linux.sourceforge.net/pdfdocs/lcd1.pdf

http://lcd-linux.sourceforge.net/pdfdocs/lcd2.pdf

From there you can put one to use by snapping it up on Adafruit and following the tutorial.

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