IntroductionLCD character displays can be found in espresso machines, laser printers, children's toys and maybe even the odd toaster. The Hitachi HD44780 controller has become an industry standard for these types of displays. This tutorial will teach you the basics of interfacing with a HD44780 compatible display using some DIP switches and a few other components.
PinoutThe module that we are using is a 16 character x 2 line display that we stock
over here. It uses an ST7065C controller, which is HD44780 compatible. The figure below shows the LCD module and pinout.

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