16×2 Character LCD & Arduino. ... For this, we added a small potentiometer to this pin to control the contrast level to optimum/desired level. However, if you want a fixed contrast level then you can ...

• LCD display ($10) Getting Started. Arduino uses open-source hardware and software, ... (Twisting the potentiometer lets you turn the LCD screen on and off.) Programming the Device.

This one’s a bit abstract. Remember those LCD games that became quite popular sometime in the 1990’s? You know, the ones that had only one game, usually a character that could be moved … ...