I hooked them up to an Arduino Uno board with a Parallax Serial 16×2 Character LCD. I got both ICs working in separate sketches that I’ve blogged about previously, but I wanted one combined program.

Sketch for an arduino (tested on and works on an uno) that is a thermostat with display to power on/off a refrigeration unit lacking integrated temperature controls. Uses an arduino, a lcd display, a ...

For example an spi display or TV-out (using the TV-out library, probably on a second arduino). Reason for me to ask, I’ve got a Yamaha PSR-S500 with defective display, new displays are around ...

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, and ...