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Supercon Keynote: Megan Wachs Breaks Down RISC-V
The 2019 Hackaday Superconference kicked off with a marvelous, and marvelously geeky, keynote talk on the subject of RISC-V by Dr. Megan Wachs. She is VP of Engineering at SiFive, a company that makes...
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One Chip Does It All In This MacGuyver Synth
When you think of simple synths, what components come to mind? All you really need to make one is an oscillator, an amplifier, and some kind of input such that you can play different notes. Our...
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Carbide3D Router Teardown and Testing
On the face of it, you’d think a small router would be pretty simple. After all, what is it other than a spinning motor? However, that motor has to handle some pretty serious torque depending on what...
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The Options for Low Cost ROV Tethers
Wireless connections are cool and all, but sometimes you just need a bit of copper. This interesting article on SV Seeker discusses the various ways of making a tether for a remotely operated vehicle...
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RF Modulation: Crash Course For Hackers
When you’re looking to add some wireless functionality to a project, there are no shortage of options. You really don’t need to know much of the technical details to make use of the more...
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Factory Laptop with IME Disabled
Unfortunately not all consumers place high value on the security of their computers, but one group that tends to focus on security are businesses with a dedicated IT group. When buying computers for...
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Flicker Detector Lets You Hear What You Can’t See
Have you ever looked at modern LED lighting and noticed, perhaps on the very edge of your perception, that they seemed to be flickering? Well, that’s because they probably are. As are the LEDs in your...
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ESP32-Cam Does Time Lapse
Just a few years ago, had someone asked you how much a digital camera with WiFi would cost, you probably wouldn’t have said $6. But that’s about how much [Bitluni] paid for an ESP32-CAM. He wanted to...
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[Eric] Talks Crystal Radios
The AM broadcast band doesn’t have a lot of mainstream programming on it across much of the United States today. That’s a shame because a lot of kids got their first taste of radio and electronics by...
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DDR-5? DDR-4, We Hardly Knew Ye
This month’s CES saw the introduction of max speed DDR5 memory from SK Hynix. Micron and other vendors are also reportedly sampling similar devices. You can’t get them through normal channels yet, but...
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Burning Things With Big Lasers In The Name Of Security
Several fields of quantum research have made their transition from research labs into commercial products, accompanied by grandiose claims. Are they as good as they say? We need people like Dr. Sarah...
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Building (And Testing) A DIY Air Purifier
Whether it’s the usual pollution of the city, or the fact that your corner of the globe happens to be on fire currently, poor air quality is a part of daily life for many people. One way of combating...
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Wire Loop And Amplifier Solve Audio Problem For The Hearing Impaired
Imagine being asked to provide sound reinforcement for a meeting that occurs in a large room, where anyone can be the speaker, and in a situation where microphones would hinder the flow of the...
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Tensors Explained
You can do a lot of electronics without ever touching a tensor, but there are some situations in which tensors are absolutely essential. The problem is that most math texts give you a very dry...
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Retrotechtacular: Teasmade
We’re used to our domestic appliances being completely automated in 2020, but not so long ago they were much simpler affairs. Not everything required a human to run it though, an unexpected piece of...
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Understand Linux htop Visually
If you want to know exactly what’s going on in your Linux system, some of you might reach for top. For the connoisseur of system monitors, nothing less than htop will do. Not familiar with htop?...
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Poking Around the Wide World of Bluetooth
Bluetooth is a technology with a very interesting history. When it first came around in the late 1990s, it promised to replace the mess of wires that was tucked behind every desk of the day....
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This Is It For The Particle Mesh Network
The long-held dream of wireless network hackers everywhere is to dispense with centralised network infrastructure, and instead rely on a distributed network in which the clients perform the role of...
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RemoteXY Simplifies Arduino Control
[Labpacks] wanted to build a robot car controlled by his phone. As a Hackaday reader, of course you probably can imagine building the car. Most could probably even write a phone application to do the...
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The Internet of Football
While football in the United States means something totally different from what it means in the rest of the world, fans everywhere take it pretty seriously. This Sunday is the peak of U.S. football...
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