[Esai] made his own four digit, seven-segment display on some perfboard. Before soldering 58 SMD LEDs to a small rectangle of perfboard, [Esai] traced out each segment with a marker. Two LEDs make ...

A common display found on digital watches and readouts that looks like a series of 8s. Each digit ... one segment of the liquid crystal layer in a monochrome twisted nematic (TN) seven-segment ...

7-segment LED displays ... segment containing two WS2812B addressable LEDs. Each 7-segment assembly is then wired so they can be daisy chained, passing on data to the next digit in the chain.