But a web-based graphical user interface (GUI) for administration and reporting for your microcontroller device can look very professional and be super useful.

Google really likes icons that are just outlines. After the multicolored makeover for all of Google's service app icons, it redid the YouTube interface, replacing the standard look with line art .

Among other things, applicants for design patents have many options to choose from, including whether to patent any of the GUI icons, and whether to capture the GUI as a whole on a screen-by ...