The demo needs a LCD module compatible with Hitachi 44780.
Many text LCD modules are compatible.
For the IO-Warrior 40 and 56 Starter Kit the module needs to be wired to the breadboard are.
The IO-Warrior 24 Starter Kit provides a connector.
The first IO-Warrior encountered uis used and expected to have a LCD connected.
IOWarriors 24, 40 and 56 supported.

Most features of the Hitachi 44780 are explored by this demo.