I’m trying my hand at controlling a 128×64 pixel Graphical LCD screen (GLCD) from my little Arduino Uno.  Now, this thing uses the fairly common KS0108B parallel interface, which is great, but requires about 20 pins to control.  In order to bring this down to a more manageable level, I also bought a Sparkfun Graphic LCD Serial Backpack, which provides a nice simple serial interface.

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