An Android tablet with the Chef, Smartphones with each Waiter. A low power, low cost Nettop with each Order Booking/Support Person. Even the customer can browse online and see the Progress of his Menu.
A Trello board is some product or project that is under continuous development, though a board can have a variety of uses and mean different things. Boards are made up of multiple lists.
See a Public Trello Board i have made. First visit Trello and Login if you want to comment on my Board.