[Peter Lehnér] has designed a brilliant 7-segment ... dot display at CES four years ago. Akin to flip-dots are flip-segment displays which do the same thing but with segments of a digit rather ...

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 ...

Description: Features: Large, Easy-to-Read (8.6 mm) LCD Display Count Speed — 20 Hz, 30 Hz, 1 kHz — Up Counting NPN/PNP DC, AC/DC Voltage and No-Voltage Inputs Types Available 4-Digit Tachometer: 1000 ...