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. The met… ...

I’ve been using 4D’s 2.4″ touch sceen uOLED, with the picasso sgc chip, for over a year now. It’s a great, easy to implement, powerfull display, as most od 4D’s displays are.

(lcd display to arduino wiring) Arduino Setup. For this experiment it is necessary to download and install the “Arduino I2C LCD” library. First of all, rename the existing “LiquidCrystal” library ...