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Farm equipment security at DEF CON 29
At DEF CON 29, a security researcher exposed the vulnerabilities of farm equipment manufacturers.
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Uptime Lab's CM4 Blade Adds NVMe, TPM 2.0 to Raspberry Pi
A few weeks ago, I received two early copies of Uptime.Lab's CM4 Blade. The Blade is built for the Raspberry Pi Compute Module 4, which has the same processor as the Pi 4 and Pi 400, but without any of the built-in IO ports. You plug the CM4 into the Blade, then the Blade breaks out the connections to add some…
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How I built the world's first 3D ultrasonic scanner
Here's how I built an ultrasonic 3d scanner that works in the air, using off-the-shelf components.
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Writing embedded firmware using Rust
AnyLeaf Articles: Writing embedded firmware using Rust
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“Space age electronics”: Inside a GE thin-film paperweight from the 1960s
In the early 1960s, General Electric developed a technology called thin-film electronics. 1 These circuits were built from thin films of ...
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Electric vehicles could fully recharge in 5 minutes with new cable design
Purdue University is a world-renowned, public research university that advances discoveries in science, technology, engineering and math.
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DIY microscope lenses on BMD pocket 6K camera
I was having fun lately with some normal macro photography and was curious if I somehow can use my fathers microscope lenses on my photo and film cameras. The idea is not new, a quick google search showed that it was indeed possible but you need a special adapter for these microscope lenses. The adapter is called “RMS…
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Can My Water Cooled Raspberry Pi Cluster Beat My MacBook?
It's time to put my water cooled Raspberry Pi Cluster to the test. I put it up against my MacBook and a Windows PC to see which performed best
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Librem 5 Evergreen vs. PinePhone (Part 2)
It’s been about half a year since I wrote my original post comparing the Librem 5 and Pinephone. The original post saw some controversy as well as quite a bit of attention on Hacker News . Surprisingly, for a market dominated by new tech every year, there remains quite a bit of interest in these two devices.
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YubiKey Bio Series
The YubiKey Bio Series delivers secure second factor and passwordless logins for desktop-based FIDO-supported services and applications.
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M1 Icestorm cores can still perform well
What are the penalties in real-world use for running your code on Icestorm cores, using around 10% of the power used by Firestorms?
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Strange chip: Teardown of a vintage IBM token ring controller
IBM used some unusual techniques in its integrated circuits, and one of the most visible is packaging them in square metal cans. I've been...
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Rapid Prototyping with a $100 Inkjet Printer
Why just print forms and airline tickets from an inkjet printer when you can print electronics! All you need to do is to replace the…
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The Soviet 1801VM2 LSI-11 Processor
The Soviet-made 1801VM2 CPU (a binary-compatible implementation of the PDP11 instruction set and QBUS interface) was developed in 1982. The 1801VM2 is a further development of the earlier 1801VM1 doubling the original 5MHz clock speed. From a constructive standpoint this CPU is a completely independent development.
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Colour-changing magnifying glass gives clear view of infrared light
By trapping light into tiny crevices of gold, researchers have coaxed molecules to convert invisible infrared into visible light, creating new low-cost detectors for sensing.
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Inside a 20-Watt Traveling Wave Tube Amplifier from Apollo
How did the Apollo astronauts communicate on their trip to the Moon, 240,000 miles back to Earth? They used a 32-pound amplifier, built ar...
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A one-bit processor explained: reverse-engineering the vintage MC14500B
The Motorola MC14500B 1 is a 1-bit processor introduced in 1976. While a 1-bit processor might seem almost useless, 2 it was marketed as...
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This Year in Embedded Rust
As 2021 draws to a close, we thought we'd take a look back at what's happened over the last year in Embedded Rust, both within the working group and in the larger community.
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Nicole gets a real computer – the Microsoft Z80 SoftCard (2020)
So there I was, very happy with my Apple ][plus. But then I saw someone on the internet post, and it seems that my Apple is an overpriced box with a toy micr...
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Yamaha DX7 reverse-engineering, part III: Inside the log-sine ROM
The Yamaha DX7 digital synthesizer (1983) was the classic synthesizer for 1980s pop music. It used two custom digital chips to generate so...
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Apple unveils new iPad mini with breakthrough performance in new design
Apple today introduced the powerful new iPad mini with a larger 8.3-inch Liquid Retina display in four gorgeous finishes.
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The Ball and Supply Chain
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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The Web MiniDisc App (2020)
Get control of your MiniDisc device thanks to WebUSB and WASM
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Unveiling our new Quantum AI campus
Google is unveiling a new Quantum AI campus in Santa Barbara, California.
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Spatial Audio
I got the following e-mail from a producer/engineer: “I just want to try and alert you to the potential seismic scam happening with this Atmos roll out. Â Atmos catalog remixing is being done…
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NitroPhone – Pixel 4a phone with GrapheneOS
Nitrokey launches the NitroPhone, the most secure Android smartphone on the planet. Based on Pixel 6 and GrapheneOS with no Google, no backdoors and hardware security.