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Network Time Protocol on the ESP32
Network Time Protocol (NTP) is one of the best ways to keep networked computers synchronized to the same time. It’s simple, lightweight, and not only allows computers to maintain a time standard...
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The Warm Glow Of A Luminous Clock
It seems there will never be an end to the number of ways to show the time. The latest is the LumiClock from [UK4dshouse], and it uses the seldom-seen approach of a sheet of luminous paper excited by a...
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Quirky Complicated Clock Piques Constructor’s Curiosity
The Clock that served as inspiration for the garberPark Clock Have you ever observed the project of another hacker and thought to yourself “I have got to have one of those!”? If so, you’re in good...
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DIY Retrograde Clock is 3D Printed
Retrograde clocks are unique, in that they eschew the normal fully-circular movement for the hands. Instead, the hands merely sweep out a segment of a circular arc, before jumping back to their start...
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Hackaday Prize 2022: Soviet Geiger Counter Gets WiFi
[Marek] has an impressive collection of old Soviet-style Geiger counters. These are handy tools to have in some specific situations, but for most of us they would be curiosities. Even so, they need...
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2022 Hackaday Prize: Talking Clock Built With Old-School Gear
Any smartphone or laptop could be a talking clock if you wished it so. However, we think this build from [Marek Więcek] is more fun, which uses discrete vintage chips to get the job done the old...
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Circuit-less PCB Featured as Faceplate for a Digital Clock
If there’s no circuitry on a printed circuit board, does it cease being a “PCB” and perhaps instead become just a “PB”? Call them what you will, the fact that PCBs have become so cheap and easy to...
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LED Clock has its pipes on display
For most hackers and makers, building a clock is a rite of passage. Few, though, will be as unusual and engaging as this design by [TerraG2]. By combining addressable LEDs, light pipes and 7-segment...
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A Peppy Low Power Wall Mounted Display
[Phambili Tech] creates a battery powered mountable display, called “the Newt”, that can be used to display information about the time, calendar, weather or a host of other customizable items. The Newt...
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Building a Tessellated NeoPixel Clock
Anyone can buy a clock, but building your own lets you express your creative flair along the way. [Edison Science Corner] did just that with this neat sci-fi looking design. The build relies on an...
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A Flipping, Perpetually-Rotating Clock
Clocks are a mainstay of hackers and makers, as they provide a way to explore creative designs while still maintaining a functional aspect to the project. [Brett Oliver] follows this tradition in...
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Digital Hourglass Counts Down the Seconds
If someone asked you to build a digital hourglass, what would your design look like? [BitBlt_Korry] took on that challenge, creating a functional art piece that hits it right on the nose: an hourglass...
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Faceless Clock Makes You Think Twice About How It Works
We love projects that make you do a double-take when you first see them. It’s always fun to think you see one thing, but then slowly realize everything is not quite what you expected. And this faceless...
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ESP32 LED Eyes Help Keep Toddler In Bed
We’ve seen a lot of custom clocks here at Hackaday, many of which have pushed the traditional definition of the timepiece to its absolute limit. But for all their wild designs, most of them do have...
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Weasley Clock For Magically Low Cost
For those unfamiliar with the details of the expansive work of fiction of Harry Potter, it did introduce a few ideas that have really stuck in the collective conscious. Besides containing one of the...
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A Timepiece Straight Out of Back To The Future
[Stephen Holdaway] needed a desk clock, and decided to whip something up from scratch. The result is a beautiful tribute to the DeLorean’s time circuits from legendary 1985 film Back to the Future. We...
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Dekatron Clock Tells the Time, Sans Semiconductors
Over the years, there have been several memory and display technologies that served a particular niche for a while, only to be replaced and forgotten when a more suitable technology came along. One of...
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HUD-Like Clock is a Transparent Time Display
While we have all types of displays these days, there’s something special about those that appear to float in the air. This HUD clock from [Kiwi Bushwalker] is one such example. The build relies on...
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Magnet Clock Makes Field Lines Visible
The traditional method for visualizing magnetic fields, which your science teacher probably demonstrated at some point, is to sprinkle some iron filings onto a piece of paper and hold it over a magnet....
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Motion-Activated Clock Only Lights Up On Command
While some of us can fall asleep anywhere from a noisy auditorium to a brightly lit train station, others are more fussy, requiring quiet and dark to nod off. [Craig Lindley] likes to minimize light...
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