Normally driving an LCD requires seven connections to pins on the display, but by using a shift register, [Phillip Warner] at Arduino Playground was able to drive an LCD using only 3 wires.

Assume that you are moving towards a complex microcontroller project bundled with blinkers, beepers, and a display panel. To link a standard 16×2 LCD directly with the microcontroller, for instance ...

Your everyday garden variety Arduino is the hero here, sitting between the computer’s USB port and the display to make the magic happen. Using the ‘LCD Smartie‘ software, the display can ...