A small Arduino app that displays the characters of your Hitachi HD44780 LCD.

Designed for LCDs with 16-characters in width, and optimally 2-characters in height.

Empty pages 0?, 1?, 8? and 9? are skipped.

40 - 4F
@ABCDEFGHIJKLMNO

Pins are defined as const bytes:

RS, E,
D4, D5, D6, D7

LiquidCrystal pins.

LED

[Optional] Status indicator LED. Turns HIGH when a valid input is registered and until both inputs are LOW. The default pin 13 is simply the pin attached to the built-in LED for most boards.

LEFT, RIGHT

[Input] The (button) inputs to flip to the previous or next page, respectively.