Instead of a few displays that can be bought from the usual retailers for a dollar a piece, [Esai] made his own four digit, seven-segment display on some perfboard. Before soldering 58 SMD LEDs to ...

So he thought of experimenting with those, and built a ‘Binoctular’ LED clock which uses the Neopixel rings as 7 segment displays. Each digit is made using one pair of Neopixel rings ...

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 ...