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 ...

[Xark] grabbed an Arduino, an LCD, and an Open Workbench Logic Sniffer to see where the inefficiencies in the Adafruit library were. These displays are driven via SPI, where the clock signal goes ...