The HD44780U dot-matrix liquid crystal display controller and driver LSI displays alphanumerics, Japanese kana characters, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control of a 4- or 8-bit microprocessor. SparkFun is an online retail store that sells the bits and pieces to make your electronics projects possible.

Aug 12, 2019 · hd44780 is an extensible Arduino LCD library for hd44780 based LCD displays. The library consists of a hd44780 base class combined with one or more i/o subclasses to perform the i/o communication between the host and the hd44780 display interface. This is an industry standard HD44780 based controlled 2 lines x 16 characters LCD display with BLACK characters on GREEN background and backlight. It is a parallel interface so you will need 7 GPIO pins for 4-bit mode or 11 GPIO pins for 8-bit mode to interface to this LCD screen.