Sparkfun graphic lcd hookup guide


* I will continue to support students enrolled in this course (Arduino Step by Step Your Complete Guide) until the end of 2018

The buttons are connected to only one analog input pin through resistors to give a different voltage for each button, thus saving on input/output pins. Reading the buttons is easy and example code is shown below

This is a big, really big 128x160 pixel graphical STN LCD. The LCD has a blue background and pixels appear white. Unit comes with an LCD backlight and built-in parallel interface controller. LCD and backlight are driven by 5V (negative voltages for contrast are generated on-board).


Sparkfun graphic lcd hookup guide

Sparkfun graphic lcd hookup guide