There are some clocks, mostly in or around international airports, which have multiple faces to show the time at various...
clock
You wake up in the middle of the night. Is it time to get up? Well, you can look at...
The classic design of a mechanical clock generally consists of a display, a way to store energy, a way to...
If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog...
Seven-segment displays are one of the most ho-hum ways to display the time. They were cool for a little bit...
If you want to know when the train is coming, you could pull up a webpage on your phone, or...
The Unihiker K10 is intended to be a small single-board solution for light AI and machine learning tasks. However, you...
The Neon glow of a Nixie tube makes for an attractive clock, but that’s not enough neon for some people....
wrote in with his newest clock build — and he did warn us that it was minimalist and maybe less...
Let’s say you want to build a Nixie clock. You could go out and find some tubes, source a good...
The HP 115BR is not one of the most well-known products from Hewlett-Packard. And yet, it was remarkably important nonetheless....
There’s something cool about the visual design language used in the aviation world. You probably don’t get much exposure to...
Since their invention more than a century ago, crystal oscillators have been foundational to electronic design. They allow for precise...
In 1983, a 14-year-old saw an LED clock in The Sharper Image store. At $250, it stayed in the store....
There’s a good chance you’ve seen “Nixie clocks” on the Internet that replace the classic cold cathode tubes with similarly...
Time zones are a complicated but necessary evil. Humans like the numbers on the clock to vaguely match up with...
Back in 1978, the world was a bit different. There was no Raspberry Pi, no Internet, and not even an...
How do you convert an old cockpit instrument into a clock? Easy: just build a circuit that convinces it it’s...
Ceiling clocks were a bit of a thing back in the days when clock radios were a fixture of nightstands....
It might seem antiquated, but Morse code still has a number of advantages compared to other modes of communication, especially...
decided to build a wideband SDR – for satellite communication research and monitoring, you know, the usual. He decided on a battery...