Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely ...

At the heart of the device is a AD9833 waveform generator; with the Arduino, rotary encoder, and 16×2 LCD providing an interface to control it over SPI.

For all the Arduino-based video game builds we’ve seen, we’re really only left with a bunch of 2D platformers and other sprite-based games. [Reimecker] wasn’t satisfied with this … ...