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Flexible PCB Contest Round Up
The 2019 Hackaday Prize, which was announced last week, is very much on everyone’s mind, so much so that we’ve already gotten a great response with a lot of really promising early entries. As much as...
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Random Word Pairings Mark The Time On This Unusual Clock
Gosh, the fun we had when digital calculators became affordable enough that mere grade school students could bring one to class. The discovery that the numbers could be construed as the letters of...
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Analysing National Budgets With File System Tools
Understanding a national budget can be difficult, with political interests and distorted talking points obscuring the truth. There’s no substitute for diving into the hard data yourself, but it can be...
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Picking the Right Sensors for Home Automation
Imagine that you’re starting a project where you need to measure temperature and humidity. That sounds easy in the abstract, but choosing a real device out of many involves digging into seemingly...
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Piezoelectric Antennas For Very, Very Low Frequencies
If you want to talk about antennas, the amateur radio community has you covered, with one glaring exception. Very low frequency and Extremely Low Frequency radio isn’t practiced very much, ultimately...
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Circular Linear Motor Becomes A Micro Motor Raceway
Over on Hackaday.io we have a lot of people playing around with the possibilities presented by cheap printed circuit boards. Whether that means making a quadcopter from fiberglass or a speaker from...
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Casting CNC Parts In Aluminium
When it comes to machining, particularly in metal, rigidity is everything. [Tailortech] had a homebuilt CNC machine with a spindle held in place by a plastic bracket. This just wasn’t up to the job,...
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This Air Compressor Sucks
Vacuum is something most people learn about as children, when they’re first tasked with chores around the home. The humble vacuum cleaner is a useful home appliance and a great way to lose an eye as...
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What Can You Learn From an Eggbot?
An eggbot is probably the easiest introduction to CNC machines that you could possibly hope for, at least in terms of the physical build. But at the same time, an eggbot can let you get your hands...
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The Science Of Reverse Mounted LEDs
One of the most artistic applications of electrical engineering in recent memory is the burgeoning badgelife movement. This is an odd collective of people who are dedicating their time to rendering...
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Pocket Watch Becomes Pinhole Camera
A pinhole camera is essentially the combination of the camera obscura with photographic film. The pinhole acts as the lens, focusing the scene onto the film, and after exposure, the film can then be...
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Shitty Add-Ons Go Electroluminescent
It’s that time of the year again, and once more we’re faced with the latest innovations in Badgelife, the movement to explore the artistic merits of electronics and manufacturing. This is an...
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Cocktail Barbot Takes Things Up A Level
Mixing a cocktail is considered as much an art as a science. The practice is studied dilligently by bartenders the world over. Of course, for any given human task, there’s always another human...
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Teardown: The Guts of a Digital Sentry
I have a home alarm system that has me wondering if I can make it better with my maker Kung-fu. Recently we had to replace our system, so I took the time to dissect the main controller, the remote...
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Here’s A Tesla Coil You Can Wear
It’s badgelife season, and if you need an idea for a killer piece of wearable electronics, look no further than this PCB Tesla coil. Yes, it’s killer, doubly so if you’re wearing a pacemaker. This...
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The 6502 Watch, Because Someone Had To Make One
We are very familiar with retrocomputers, and if you want you too can build a computer that could have been made in the late ’70s on a breadboard. Just grab your CPU of choice, add some RAM, some ROM,...
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Simple Ultrasound Machine Shows The Skeleton Lurking Inside Us All
That first glimpse of a child in the womb as a black and white image on a screen is a thrilling moment for any parent-to-be, made possible by several hundred thousand dollars worth of precision...
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Byte Sized Pieces Help The KiCad Go Down
It’s no surprise that we here at Hackaday are big fans of Fritzing KiCad. But to a beginner (or a seasoned veteran!) the learning curve can be cliff-like in its severity. In 2016 we published a piece...
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Retrotechtacular: Transputer
Back in 2016, Hackaday published a review of The National Museum of Computing, at Bletchley Park. It mentions among the fascinating array of computer artifacts on display a single box that could be...
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A USB -C Soldering Iron For Weller Tips
There was a time when a decent temperature controlled soldering iron took the form of the iron itself and a box of electronics, but now it’s just as likely to be a miniaturised affair with the...
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