LCD20x4 with LED Backlight (Parallel Interface)

This 20 x 4 LCD packs 80 characters into an outline smaller than that of most four-line displays. An LED backlight enables optimal viewing in all lighting conditions. This unit uses the HD44780 interface found on most parallel character displays.

This 20-character, 4-line parallel liquid crystal display achieves a large viewing area in a compact package. It features a yellow-green LED backlight and uses the common HD44780 interface, so sample interface code is widely available for a variety of microcontrollers.  Data sheet available here.

You can find sample HD44780 LCD interface code written sample code for AVRs (e.g. ATmega168, ATmega328, ATmega324, and ATmega1284) can be found as part of the open-source Orangutan-lib package and as part of the Pololu AVR library.

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