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A Buyer’s Guide to Lathe Options
Lathes are complicated machines, and buying one requires weighing a lot of options. We’ve already talked about buying new Asian, or old American machines (with apologies to the Germans, British, Swiss,...
View ArticleMaking 3D Objects The Scroll Saw Way
These days most have come to think that if you want to make a complex 3D object with all curved surfaces then a 3D printer is the only way to go. Many have even forgotten that once such things could be...
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Émilie du Châtelet: An Energetic Life
Émilie du Châtelet lived a wild, wild life. She was a brilliant polymath who made important contributions to the Enlightenment, including adding a mathematical statement of conservation of energy into...
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Beat This Mario Block Like it Owes You Money
People trying to replicate their favorite items and gadgets from video games is nothing new, and with desktop 3D printing now at affordable prices, we’re seeing more of these types of projects than...
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Firing Bullets Through Propellers
Early airborne combat was more like a drive-by shooting as pilot used handheld firearms to fire upon other aircraft. Whomever could boost firepower and accuracy would have the upper hand and so machine...
View ArticleReflow Rig Makes SMD Soldering a Wok in The Park
For a DIY reflow setup, most people seem to rely on the trusty thrift store toaster oven as a platform to hack. But there’s something to be said for heating the PCB directly rather than heating the...
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Friday Hack Chat: Control Schemes For Robotics
The Hackaday Prize is in full swing if you haven’t heard. It’s the Academy Awards of Open hardware, and the chance for you — yes, you — to create the next great piece of hardware and a better future...
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Retrotechtacular: Synchros Go to War (and Peace)
Rotation. Motors rotate. Potentiometers and variable capacitors often rotate. It is a common task to have to rotate something remotely or measure the rotation of something. If I asked you today to...
View ArticleA Low Cost, Dead Tree Touch Screen
Remember the “paperless office”? Neither do we, because despite the hype of end-to-end digital documents, it never really happened. The workplace is still a death-trap for trees, and with good reason:...
View ArticleUnlocking Drones with Go
Looking for a first project in a relatively new language that’ll stretch your abilities? [Ron] was, so he hacked a commercially available drone and opened up a lot of its functionality, while writing...
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Circuit VR: Oscillating Bridges
Circuit VR is where we talk about a circuit and examine how it works in simulation with LT Spice. This time we are looking at a common low-frequency oscillator known as the Wien bridge oscillator. What...
View ArticleIR Detective Eases Development with Compact Decoding
Hardware development often involves working with things that can’t be directly perceived, which is one reason good development tools are so important. In appreciation of this, [David Johnson-Davies]...
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A Blockchain, Robotics and AI Event in Vietnam
Blockchain Education Network Vietnam recently held an event titled “Building a Robotics & Artificial Intelligence Ecosystem with Blockchain”. The title alone has three of my favorite things in it,...
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Today: Hackaday is at UK Maker Faire Plus Afterparty
As a finale to our month on the road through parts of the British Isles, we’ll be at UK Maker Faire this weekend, and we’ll also be hosting our final bring-a-hack at Maker Space Newcastle this evening,...
View ArticleUmbrella and Tin Cans Turned into WiFi Dish Antenna
There’s something iconic about dish antennas. Chances are it’s the antenna that non-antenna people think about when they picture an antenna. And for many applications, the directionality and gain of a...
View ArticleHomebrew Not a Hakko
We don’t know if [Marius Taciuc] was thinking about how all Jedi make their own lightsabers as a rite of passage, but he decided that it was time to build his own soldering iron. He used a Hakko T12...
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PCB Take on Stars, Moons, and Ringed Planets is Gold
Remember when PCBs were green and square? That’s the easy default, but most will agree that when you’re going to show off your boards instead of hiding them in a case, it’s worth extra effort to make...
View ArticleAn Open-Source Turbomolecular Pump Controller
It’s not every project write-up that opens with a sentence like “I had this TURBOVAC 50 turbomolecular pump laying around…”, but then again not every write-up comes from someone with a lab as stuffed...
View ArticleCore Memory Upgrade for Arduino
Linux programs, when they misbehave, produce core dumps. The reason they have that name is that magnetic core memory was the primary storage for computers back in the old days and many of us still...
View ArticleOpen-source Circuit Simulation
For simple circuits, it’s easy enough to grab a breadboard and start putting it together. Breadboards make it easy to check your circuit for mistakes before soldering together a finished product. But...
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