for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However, if you use an LCD module with I2C interface, you only need 2 lines to process the display information. Now a days, ...

Padow] put together an Arduino Uno, SD card, four line character LCD, and PS/2 keyboard ... editing once the line has been input. The example programs that [Usmar] shows off are simple to ...