However, if you use an LCD module with I2C interface, you only need 2 lines to process the display information. Now a days, it is not necessary to buy an expensive I2C LCD for this task because ...

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, … ...

Instead, a virtual version of the hardware has been built into a web interface. [Tobie’s] part of the hack is to use an Arduino and a few buttons as the controller.