The 1602A LCD Serial Backpack is a ATMEGA328 microcontroller module that mounts behind standard 16 character x 2 column LCD displays.

This example code is in the public domain.

These days, you could be forgiven for thinking driving an LCD from a microcontroller is easy. Cheap displays have proliferated ...

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A.