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 on the ...

IGIS Tech Notes describe workflows and techniques for using geospatial science and technologies in research and extension. They are works in progress, and we welcome feedback and comments below.

In this paper, a Luneburg lens antenna with continuously variable dielectric constant is designed and manufactured by using 3D printing technology, which operates at 24 GHz with a maximum gain of 18.1 ...