The most popular display system widely used in Arduino projects is the liquid crystal display (LCD). LCD displays consists primarily of two sheets of polarized glass plates with a thin layer of liquid ...

Under-display fingerprint sensors, for better or for worse, have become very popular on Android smartphones. Now, Redmi is showing off a new under-display fingerprint sensor that works through an LCD ...

We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. [Udo] hit upon the idea of pulsing a laser pointer and measuring the time of the ...

French company Shetters isn't satisfied with photochromic motorcycle visors that take a couple of minutes to go from clear to tinted, so it's striking out on a line of solar-powered, LCD-tinted visors ...