PipeCam: Shallow-Water Exploration with Raspberry Pi
In what began as a personal challenge he issued to himself, [Fred] is in the process of building an underwater camera that’s capable of long-term photography in shallow waters. He’d like it to last...
View ArticleCook Up Your Own High-Temperature Superconductors
It looks more like a charcoal briquette than anything, but the black brittle thing at the bottom of [Ben Krasnow]’s crucible is actually a superconducting ceramic that can levitate magnets when it’s...
View ArticleMonitor Power Consumption of Low-Power Devices
Perhaps the most important consideration to make when designing a battery-operated device of any kind is the power consumption. Keeping it running for longer between battery changes is often a key...
View ArticleMicrosoft Quantum Simulator Goes to Linux and Mac
Everyone seems to be gearing up for the race to be the king of quantum computers. The latest salvo is Microsoft’s, they have announced that their quantum simulator will now run on macOS and Linux, with...
View ArticleCheap and Easy Helmet Lights for the Kids
Bikes are a great way to get around and get exercise at the same time, and are widely popular with human children due to the fact that they’re generally not allowed to drive. However, riding on or next...
View ArticleBye Bye, Maplin
Well, that was quick. Four days ago we mentioned that the British electronics retail chain Maplin was being offered for sale, and today it has been announced that no buyer has been found and the...
View ArticleMemcached Servers Abused For DDoS Attacks
Cloudflare announced recently that they are seeing an increase in amplification attacks using memcached servers, and that this exploit has the potential to be a big problem because memcached is capable...
View ArticleTiny Function Generator on the ATtiny85, Complete with OLED
It’s easy to have a soft spot for “mini” yet perfectly functional versions of electronic workbench tools, like [David Johnson-Davies]’s Tiny Function Generator which uses an ATtiny85 to generate...
View ArticleWhat is Twitter Without the Numbers?
How many people liked your last tweet? Oh yeah? Didja get any retweets? Was it enough to satisfy your need for acceptance, or were you disappointed by the Twitterverse’s reaction? If you couldn’t see...
View ArticleFire Extinguisher Ball Mill Destined to Grind Kitty Litter
Nothing says hack like a tool quickly assembled from a few scrap-heap parts. For [Turbo Conquering Mega Eagle], his junkyard finds were a fire extinguisher, an old office fan, and a few scraps of...
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Hacking a 30-year-old Russian VFD
Reddit user [InThePartsBin] found some VFDs (Vacuum Fluorescent Displays) on an old PCB on eBay. The Russian boards date from 1987 and have a bunch of through-hole resistors, transistors and a some...
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Thermal Camera Diagnoses Thermal Issue on a Sonoff Switch
No matter what your experience level with troubleshooting, there’s always at least a little apprehension when you have to start poking through a mains powered device. A little fear is a good thing; it...
View ArticleCreality CR10-S Upgrade Shows The Effect Of Bad Power
The Creality CR10-S is a printer that has become quite popular, and is not an uncommon sight in a hackspace or makerspace. Some models have a slight defect, a smoothing capacitor is of insufficient...
View ArticleCaped Beagle is FPGA Superhero
We miss the days when everything had daughterboards. Now, Arduinos have shields and Raspberry Pis have hats. The BeagleBone has capes. Whatever. However, regardless of the name, the open source...
View ArticleWah-Wah-Won’t, To Wah-Wah-Will
This is the tale of [Chris], who discovered he was no [Jimi Hendrix] in his youth, and shelved his trusty wah-wah pedal as a result. Many years lesser as a bassist in with more modest aims he brought...
View ArticleLook Out Nest — Here Comes the WIoT-2
[Dave] is an avid hacker and no stranger to Hackaday. When he decided to give his IoT weather display an upgrade, he pulled out all the stops. The WIoT-2 is less of a weather station and more of an...
View ArticleCoolant Hoses Retasked to Lend a Helping Hand
Everyone needs a helping hand in the shop once in a while, and most of us have gone the traditional route and bought one of those little doohickies with the cast iron base and adjustable arms...
View ArticleHackaday Links: March 4, 2018
Guess what’s happening next weekend? The SoCal Linux Expo. SCALE is in its 16th year, and is the second greatest convention happening this year at the Pasadena Convention Center. The first, of course,...
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Behold the Giant Eye’s Orrery-Like Iris and Pupil Mechanism
This is an older project, but the electromechanical solution used to create this giant, staring eyeball is worth a peek. [Richard] and [Anton] needed a big, unblinking eyeball that could look in any...
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Graphing Calculator Dual Boots With Pi Zero
The nearly limitless array of consumer gadgets hacker’s have shoved the Raspberry Pi into should really come as no surprise. The Pi is cheap, well documented, and in the case of the Pi Zero, incredibly...
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