The electronic lap counters used at the FINA world championships were a hit among the athletes, giving them a new way of seeing how many lengths are remaining in their distance races. Omega designed a ...

We think of digital displays as something you see on relatively modern gear. But some old gear had things like nixies or numitrons to get cool-looking retro digital displays. The HP 521A frequency ...

With a 555 on the BOM, you never know what you’re going to get. With 40 of the versatile timer chips in a build, you might just get something completely unexpected, like this 555-based eight-bit ...