IBM Eagle Has A Lot Of Qubits

How many qubits do you need in a quantum computer? Plenty, if you want to anything useful. However, today, we have to settle for a lot fewer than we would like. But IBM’s new Eagle has the mo…

The Q2, A PDP8-Like Discrete Transistor Computer

[Joe Wingbermuehle] has an interest in computers-of-old, and some past experience of building computers on perfboard from discrete transistors, so this next project, Q2, is a complete implementatio…

IBM PalmTop Running Modern (Modified) Linux

The handheld computing market might seem dominated by smartphones today, but before their mass adoption there were other offerings for those who needed some computing power on-the-go. If a 90s lapt…

The Fifteen Dollar Linux Computer

Over the years we’ve seen many small computer boards of various abilities, among them many powerful enough to be almost-useful Linux general purpose computers. We’ve also seen more than…

A Portable Projecting Pi For Education

We cover a lot of cyberdeck projects here at Hackaday, custom portable computers often built around the Raspberry Pi. It’s not often that we cover a computer that perfectly achieves and excee…

Analog Computer Made From LEGO Predicts Tides

Although the tides in the ocean are caused by the motion of the Sun and the Moon, both of which are easy to observe, accurately predicting the tide more than a few days in advance turns out to be r…

Domesticating Old Server Hardware In The Age Of Shortages

Our own [Dave Rowntree] started running into bottlenecks when doing paid work involving simulations of undisclosed kind, and resolved to get a separate computer for that. Looking for budget-friendl…

Identifying Malware By Sniffing Its EM Signature

The phrase “extraordinary claims require extraordinary evidence” is most often attributed to Carl Sagan, specifically from his television series Cosmos. Sagan was probably not the first…

Arduino Meets Quantum Computer

Quantum computers aren’t quite ready for the home lab, but since there are ways to connect to some over the Internet, you can experiment with them more easily than you might think. [Norbert] …

SGX Deprecation Prevents PC Playback Of 4K Blu-ray Discs

This week Techspot reported that DRM-laden Ultra HD Blu-ray Discs won’t play anymore on computers using the latest Intel Core processors. You may have skimmed right past it, but the table on …

Old Firewall Reborn As Retro PC

We like projects where old gear is given a new life. [Splashdust] has a twenty-year old business firewall that’s build like a tank. He cracks it open and finds a complete x86 embedded motherb…

Arduino IDE Creates Bootable X86 Floppy Disks

Arguably the biggest advantage of the Arduino ecosystem is how easy it is to get your code running. Type a few lines into the IDE, hit the button, and in a few seconds you’re seeing an LED bl…

Laptop Empty Space Filled With RS485 And PoE

Out of all the laptop upgrade options typically available, you wouldn’t expect this specific one. [controlmypad] decided to take a part of his RS485 device programming workflow and put it ins…

A Gorgeous Desk With AMD Inside

We’re the first to admit that we don’t see much woodworking here at Hackaday. But this desk with a PC inside from [John Heisz] is just too gorgeous not to share. The build is mostly che…

Another Homebrew Linux Board Success Story

It’s truly incredible what the hobbyist is now capable of. While it would have seemed all but impossible a few years ago, we’re happy to report that yet another dedicated hardware hacke…

Virtual Eurorack Based CPU Computes To The Beat Of A Different Drum Module

In Arthur C. Clarke’s 1972 story “Dial F for Frankenstein”, the worlds first global network of phone exchanges was created by satellite link, and events happened that caused the c…

ESP32 Pretends To Be GPU; Gives You A Ransomware Scare

Sometimes a piece of hardware meets a prank idea, and that’s how the fun Hackaday articles are born. [AnotherMaker] shows us some harmless entertainment at the expense of an IT enthusiast in …

Enter The Matrix With This Custom PC Side Panel

With a new Matrix movie out now, it’s hardly a surprise that we’re starting to see more and more projects centered around the franchise’s iconic “Digital Rain” effect.…

BIOS Flashing Journey Writeup Puts Tutorials To Shame

A couple of weeks ago, [Doug Brown] bought a Ryzen motherboard, advertised as “non-working” and discounted accordingly. He noticed that the seller didn’t test it with any CPUs old…