Collaborate Disseminate
The traditional sand timer, known colloquially as an egg timer, served its purpose well over the centuries since its development. However, [MakerPaul] realised it had some significant flaws that were …read more Continue reading Significantly Improved Egg Timer Makes Pictionary Better
Looking for something with a bit more style than the traditional kitchen timer, [Martin Jonasson] decided to take the last couple of months to design and build his own take …read more Continue reading Minimalist Timer Counts Down With LED Matrix
There’s plenty of obscure sports in the world. Many of them could benefit from bespoke equipment like scoring displays, but are too obscure to support commercial efforts in this regard. …read more Continue reading Mickey’s Big Timer Makes Glider Competitions Better
“You should have used a 555” has become a bit of a meme around these parts lately, and for good reason. There seems to be little that these ubiquitous chips …read more Continue reading Should Have Used a Vacuum Tube 555
It’s a little known secret that when the Hackaday writers gather in their secret underground bunker to work on our plans for world domination, we often take breaks to play our version of the corporate “Buzzword Bingo”, where paradigms are …read more
Continue reading Arduino Wannabe Should Have Used a 555. Oh Wait, It Does.
One of the very first examples for an MCU or SoC usually involves the famous ‘Blinky‘ example, where an LED is pulsed on and off with a fixed delay. This is actually a lot more complicated than the ‘Pushy‘ example which we looked at in the first installment of this …read more
Continue reading Bare-Metal STM32: Blinky And The Secret Of Delay Functions
Feature creep is typically something to be avoided, since watching a relatively simple project balloon into a rat’s nest of complexity often leads to ineffective, or even abandoned, projects. On the other hand, if you can maintain a tight focus, it’s not always a bad thing. [cbm80Amiga] shows us how …read more
When firefighters are battling a blaze, it’s difficult for them to find each other in the smoky darkness. To help stand out they wear glow-in-the-dark decals on their helmets, but since they spend so much of their down time stowed away in a dark locker, they don’t always have a …read more
Continue reading Helmet Decal Charger Keeps Them Ready to Glow
“Twinkle, Twinkle, Little Star”? How we wonder why you’d resort to singing a ditty to time your handwashing when you can use your social isolation time to build a touch-free electronic handwash timer that the kids — and you — might actually use.
Over the last few months, pretty much …read more
Continue reading Handwashing Timer Makes Sure the Suds Stay On Long Enough
Resin 3D printers are finally cheap enough that peons like us can finally buy them without skipping too many meals, and what means we’re starting to see more and more of them in the hands of hackers. But to get good results you’ll also want a machine to cure the …read more
Continue reading A Smart Controller For Your DIY UV Cure Box