Giving a Tinge of Color to the Mars Map Courtesy of the UAE’s Hope Orbiter

Since the United Arab Emirates’ Hope (“Al-Amal”) orbiter made it safely into orbit around Mars Read More →

Can You Use A POST Card With A Modern BIOS?

[Alessandro Carminati] spends the day hacking Linux kernels, and to such an end needed a Read More →

USB Meets Core Memory In A Vintage ‘Scope

It’s normal today for even relatively modest instruments to have some form of computer control Read More →

An RPi-Powered Multi-DX7/TX816 Style Synth

[Kevin] over at Simple DIY ElectroMusic Projects has released a complete DIY modular design for Read More →

Soviet-Era Computer Is Both a Mystery and a Disaster

There are plenty of bizarre computers around from the 70s through the 90s before the Read More →

How To Model a Twisted Part in FreeCAD

Quick references are handy, but sometimes it’s nice to have a process demonstrated from beginning Read More →

Inside a Pair of Smart Sunglasses

If you’re willing to spend $200 USD on nothing more than 100 grams of plastic, Read More →

Linux Cell Phone? Build OURPhone

[Evan] couldn’t find a phone he liked, so he decided to build his own. There Read More →

CNC Feeds and Speeds, Explained as a First-Timer

If you’ve ever looked into CNC cutting tools, you’ve probably heard the term “feeds and Read More →

Jet Engine Tachometer Turned into Unique CPU Utilization Meter

When you’ve got a piece of interesting old aviation hardware on your desk, what do Read More →

Thermal Camera Plus Machine Learning Reads Passwords Off Keyboard Keys

An age-old vulnerability of physical keypads is visibly worn keys. For example, a number pad Read More →

Kerfmeter Measures Laser Cutter Kerf Allowances on the Fly

Nothing beats a laser cutter and a sheet of Baltic birch plywood or MDF when Read More →

IBM PC Runs BASIC With Motorola 68000 CPU Upgrade

Although ARM CPUs have been making headway in several areas of computing over the last Read More →

Machine Vision Automates Trainspotting with Unique Full-Length Portraits

As hobbies go, trainspotting is just as valid a choice as any — we don’t Read More →

Recreating a Non-Standard USB Cable

USB is a well-defined standard for which there are a reasonable array of connectors for Read More →

RP2040 Gets Intellikeys Keyboard Up And Running

The Spectronic Intellikeys was an innovative keyboard-like accessibility device that used special plastic overlays that Read More →

Don’t Let The Baluns Float Over Your Head

Most ham radio operators will build an antenna of some sort when they first start Read More →

The Nuts and Bolts of Nuts and Bolts

If you’re a mechanical engineer, the material covered in this video on the basics of Read More →

Building a Receiver With The ProgRock2 Programmable Crystal

Crystals are key to a lot of radio designs. They act as a stable frequency Read More →

Using An Old Smartphone In Place of A Raspberry Pi

The Raspberry Pi was a fairly revolutionary computing device when it came on the scene Read More →

Solving the Mystery of the Mayan Calendar’s 819-Count Cycle

Mayan Calendar Round. (Source: Chichen Itza) Despite the mysticism that often clouds the Mayan calendar Read More →

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