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LiquidCrystal Library

This library allows an Arduino board to control LiquidCrystal displays (LCDs) based on the Hitachi HD44780 (or a compatible) chipset, which is found on most text-based LCDs. The library works with in either 4- or 8-bit mode (i.e. using 4 or 8 data lines in addition to the rs, enable, and, optionally, the rw control lines).


  • Autoscroll: Shift text right and left.
  • Blink: Control of the block-style cursor.
  • Cursor: Control of the underscore-style cursor.
  • Display: Quickly blank the display without losing what's on it.
  • Hello World: Displays "hello world!" and the seconds since reset.
  • Scroll: Scroll text left and right.
  • Serial Display: Accepts serial input, displays it.
  • Set Cursor: Set the cursor position.
  • Text Direction: Control which way text flows from the cursor.
  • Function

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