The most popular display system widely used in Arduino projects is the liquid crystal display (LCD). LCD displays consists primarily of two sheets of. ... However, if you want a fixed contrast level ...

• 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.

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ow… ...