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How To Build A Mill With Epoxy
The typical machine tool you’ll find in a workshop has a base and frame made of cast iron or steel. These materials are chosen for their strength, robustness and their weight, which helps damp...
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A Keyboard For Your Thumb
Here’s an interesting problem that no one has cracked. There are no small keyboards that are completely configurable. Yes, you have some Blackberry keyboards connected to an Arduino, but you’re stuck...
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Sensor-Laden Pigeons Gather Data For Urban Weather Modeling
When it comes to gathering environmental data in real-world settings, urban environments have to be the most challenging. Every city has nooks and crannies that create their own microenvironments, and...
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Extraterrestrial Excavation: Digging Holes on Other Worlds
We humans are good at a lot of things, but making holes in the ground has to be among our greatest achievements. We’ve gone from grubbing roots with a stick to feeding billions with immense plows...
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Hacker Abroad: Vietnam’s Hardware Hackers
One of the unfortunate things about Hackaday’s globe-spanning empire is that you often don’t get to meet the people you work with in person. Since I was in China and it’s right next door, I really...
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LEDs Shine Through PCB On This Tiny Word Clock
Everyone seems to love word clocks. Maybe it’s the mystery of a blank surface lighting up to piece together the time in fuzzy format, or maybe it hearkens back to those “find-a-word” puzzles that...
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The Surprising Tech Of A Cheap Toaster
How complicated can a toaster be? You can get a cheap one for way under $10 that is little more than a hot wire. However, there are a few little complications. First, consumer products need to be safe...
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Full Motion Video And 3D Graphics Make This Genesis Demo Pop
The SEGA Genesis (aka Mega Drive) was launched at the tail end of the 1980s, bringing a new level of performance to the console world. At the time, 2D graphics ruled the roost, outside a few niche...
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WOPR: Security Loses Some of its Obscurity
As we’ve seen time and time again, the word “hacker” takes on a different meaning depending on who you’re talking to. If you ask the type of person who reads this fine digital publication, they’ll...
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An Air Quality Monitor That Leverages the Cloud
Air quality has become an increasing concern in many urban areas, due to congestion and our ever-increasing energy use. While there are many organisations that task themselves with monitoring such...
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Ammo Can Holds A 14,000 Lumen LED Flashlight
For most people, a flashlight is just something you keep in a drawer in the kitchen in case the power goes out. There’s even a good chance your “flashlight” is just an application on your phone at this...
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Reverse Engineering A Modern IP Camera
Security cameras used to be analog devices feeding back into a room full of tiny screens and commercial grade VCRs. As technology moved forward, IP cameras began to proliferate. Early models simply...
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Eavesdropping On Cosmonauts With An SDR
Usually when we hear about someone making contact with astronauts in orbit, it’s an intentional contact between a ham on the ground and one of the licensed radio amateurs on the ISS. We don’t often...
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Goodyear Aero Thinks Flying Cars are a Thing
The 2019 Geneva International Motor Show has a number of “concept” vehicles. These are vehicles that usually include some cool feature that isn’t really practical — at least today. For example, in the...
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Hacker Abroad: Vietnam’s Electronics and Hardware Markets
Ho Chi Mihn City is the hub for sourcing the materials and tools driving the growing Vietnamese economy. Whether you’re building new, or keeping existing equipment running, the supply chains and...
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A Scratch Built VFD Clock with Inner Beauty
Vacuum fluorescent displays (VFDs) are one of those beautiful pieces of bygone technology that you just don’t see much of anymore. At one time they were a mainstay of consumer electronics, but today...
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A PIC And A Few Passives Support Breakout In Glorious NTSC Color
“Never Twice the Same Color” may be an apt pejorative, but supporting analog color TV in the 1950s without abandoning a huge installed base of black-and-white receivers was not an option, and at the...
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Creating 8-bit Games With The Multi Platform Arcade Game Designer
Creating a game from scratch can be hard work. There are concepts to be designed, coding to be done, and art to be created to make it all happen. However, it doesn’t always have to be quite so...
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Printed Perching Pals Proliferate
Anansi in African folktale is a trickster and god of stories, usually taking physical form of a spider. Anansi’s adventures through oral tradition have adapted to the situation of people telling those...
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A Pet Robot, Just Like Boston Dynamics Makes
Every few months or so, a new video from Boston Dynamics will make the rounds on the Internet. This is their advertising, because unless the military starts buying mechanical mules, Boston Dynamics is...
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