A New Analog And CRT Neck Board For The MacIntosh SE

Keeping a 35-year old system like the MacIntosh SE and its successor, the SE/30, up and running requires the occasional replacement parts. As an all-in-one system, the analog board that provides th…

SteamDeck: Become Printer

Wonderful things happen when we read the documentation. For instance, we’ve all seen a Raspberry Pi work as an Ethernet adapter over USB, or a ESP32-S2 presenting as a storage device. Well, […

Handmade GPS Tracker Keeps An Eye On Adventurous Cats

One of the most convenient things about having cats is their independent lifestyle: most are happy to enjoy themselves outside all day, only coming back home when it’s time for dinner and a n…

KiCanvas Helps Teach And Share KiCad Projects In Browsers

KiCad is undeniably the hacker favourite when it comes to PCB design, and we’ve built a large amount of infrastructure around it – plugins, integrations, exporters, viewers, and much mo…

Find SWD Points Quickly, No Extra Hardware Needed

Say you’re tinkering with a smart device powered by a CPU that uses Serial Wire Debug (SWD), but doesn’t mark the testpoints. Finding SWD on a board — how hard could it be? With […

Driverless Buses Take To The Road In Scotland

Scotland! It’s the land of tartans, haggis, and surprisingly-warm kilts. It’s also ground zero for the first trial of full-sized driverless buses in the United Kingdom. It’s not j…

All About USB-C: Pinecil Soldering Iron

As many people have pointed out, what matters with USB-C isn’t just the standard, it’s the implementations. After all, it’s the implementations that we actually have to deal with,…

Wooden Smartphone Sleeve Keeps You On Task

Smartphones are amazing tools, but sometimes they can be an equally amazing time suck. In an effort to minimize how much precious time goes down the drain, [Lance Pan and Zeynep Kirmiziyesil] decid…

A Reverse Polish Calculator For Your Keychain

As the smartphone has eaten ever more of the gatgets with which we once surrounded ourselves, it’s with some sadness that we note the calculator becoming a less common sight. It’s with …

Let This Minimal Desktop Weather Display Point The Way

Much of the Northern Hemisphere is currently in the middle of winter, so what better way to brighten a potentially gloomy day than to put this charming, minimalist weather display on your desk. [Jo…

Classic Calculators Emulated In Browser

The Multiple Arcade Machine Emulator, now known simply as MAME, started off as a project to emulate various arcade games. The project is still adding new games to its library, but the framework aro…

RF Spectrometer Sees Inside

Spectrometry is a well-known technique or, more correctly, a set of techniques. We usually think of it as the analysis of light to determine what chemicals are producing it. For example, you can te…

Retro Computer Enclosure Without The Sacrifice

The unique look of early desktop computer systems remains popular with a certain segment of geekdom, so it’s no great surprise when we occasionally see a modern hacker or maker unceremoniousl…

Converting A Sink To An Ultrasonic Cleaner

While ultrasonic cleaning might sound a bit like the “sonic shower” from Star Trek, this is actually one case where the futuristic-sounding technology predates its use in Sci-Fi. Ultras…

1000 Aluminium Cans Cast Into A Guitar

Aluminium cans are all around us, and are one of readily recyclable. While you can turn them into more cans, [Burls Art] had other ideas. Instead, he turned roughly 1000 cans into a custom aluminiu…

Retro Gadgets: The CB Cell Phone

There was a time when one of the perks of having a ham radio in your car (or on your belt) was you could make phone calls using a “phone patch.” In the 1970s, calling someone from insid…

RetroArch On A LeapFrog Leapster GS

Retro games are a blast, and even more so when you can bring the fun on the go. [mac2612] has developed a custom retroarch-based firmware for the Leapster GS and LeapPad2. (via Bringus Studios on Y…

What Losing Everything Taught Me About Backing Up

Backing up. It’s such a simple thing on paper – making a copy of important files and putting them in a safe place. In reality, for many of us, it’s just another thing on that list…

Wizards Get Creative, Maybe Save The World

While it’s not normal Hackaday fare, we’ve covered the Dungeons & Dragons licensing kerfuffle, partially because we’re all nerds at heart, and also because it’s worrying…

Inside A 1940’s Spy Radio

The RCA CR-88 was a radio receiver made to work in top-secret government eavesdropping stations. As you might expect, these radios are top-of-the-line, performance-wise, at least when they are work…