Though [Connor] labels it as a work in progress, we’re pretty impressed with how polished his transparent 7-segment display ... To display a number, he simply illuminates the appropriate LED ...

The above illustration highlights one segment of the liquid crystal layer in a monochrome twisted nematic (TN) seven-segment display (Image courtesy of LXD, Inc.) In their natural state ...

Seven-segment displays have been around for a long time, and there is a seemingly endless number of ways to build them. The latest of is a mechanical seven-segment from a master of 3D printed ...