It’s A Soldering Iron! It’s A Multimeter! Relax! It’s Both!

Imagine this. A young person comes to you wanting to get started in the electronic hobby. They ask what five things should they buy to get started. Make your list. We’ll wait. We bet we can g…

A Vintage Radiator Core, From Scratch

There are sadly few 1914 Dennis fire engines still on the road, so when the one owned by Imperial College in London needs a spare part, it can not be ordered from the motor factors and must be made…

Component Tester Teardown

In the modern age, when you hear “component tester” you probably think of one of those cheap microcontroller-based devices that can identify components and provide basic measurements on…

A Beautifully Illustrated Guide To Making

If you’ve ever been wondering what you should make next, it can be a daunting task to decide with the firehose of inspiration coming straight from the series of tubes that makeup the World Wi…

Combination Safety Glasses And Measurement Tool

While rulers and tape measures are ubiquitous, they always seem to disappear when you need them. We know you’d never forget your safety glasses (safety first!), so what if they were also a me…

Reviewing The World’s 2nd Smallest Thermal Camera

A thermal camera is a very handy tool to have, and [Learn Electronics Repair] wanted to try out the Thermal Master P2 for electronic repair, especially since it claims to have a 15 X digital zoom a…

Rapid Prototyping PCBs With The Circuit Graver

Walking around the alley at Hackaday Supercon 2024, we noticed an interesting project was getting quite a bit of attention, so we got nearer for a close-up. The ‘Circuit Graver’ by [Zac…

PicoROM, A DIP-32 8-Bit ROM Emulator

As we all know, when developing software for any platform or simply hacking a bit of code to probe how something works, the ability to deploy code rapidly is a huge help. [Martin Donlon], aka [wick…

Polygons On A Lathe

Most professionals would put a polygon on the end of a turned part using a milling machine. But many a hobbyist doesn’t have a mill. And if the polygon needs to be accurately centered, remoun…

Use PicoGlitcher For Voltage Glitching Attacks

We see a fair few glitcher projects, especially the simpler voltage glitchers. Still, quite often due to their relative simplicity, they’re little more than a microcontroller board and a few …

Portable Solder Paste Station Prevents Smears With Suction

Applying solder paste to a new custom PCB is always a little nerve-racking. One slip of the hand, and you have a smeared mess to clean up. To make this task a little easier, [Max Scheffler] built t…

RF Detector Chip Helps Find Hidden Cameras And Bugs

It’s a staple of spy thriller movies, that the protagonist has some kind of electronic scanner with which he theatrically searches his hotel room to reveal the bad guys’ attempt to bug …

A 3D Printed, Open Source Lathe?

[Chris Borge] has spent the last few years creating some interesting 3D printed tools and recently has updated their 3D printable lathe design to make a few improvements. The idea was to 3D print t…

CNC Metal Forming

Forming complex shapes in metal sheets is still a laborious process, especially if you aren’t needing more than a couple parts so stamping doesn’t make sense. That may change with Digit…

The FNIRSI HRM-10 Internal Resistance Meter

Occasionally, we find fun new electronic instruments in the wild and can’t resist sharing them with our readers. The item in question is the FNIRSI HRM-10 Internal resistance meter, which we …

Solve: An ESP32-Based Equation Solving Calculator

We’re suckers for good-looking old-school calculators, so this interesting numerical equation-solving calculator by [Peter Balch] caught our attention. Based around the ESP32-WROOM-32 module …

A Power Supply With Ultra High Resolution Current Measurement Built In

Need to do some real fine power consumption measurements? [Gero Müller] was in that exact situation, and wasn’t happy with the expensive off-the-shelf tools for doing the job. Thus, he built …

Building A 3D Printed Scanning Tunneling Microscope

YouTuber [MechPanda] has recreated a DIY STM hack we covered about ten years ago, updating it to be primarily 3D-printed, using modern electronics, making it much more accessible to many folks. Thi…

Internet Connected TI-84 To Cut Your Academic Career Short

In an educational project with ethically questionable applications, [ChromaLock] has converted the ubiquitous TI-84 calculator into the ultimate cheating device. The foundation of this hack lies in…

Spectroscopy On The Cheap

[Project 326] wanted to know exactly what gas was in some glass tubes. The answer, of course, is to use a spectrometer, but that’s an expensive piece of gear, right? Not really. Sure, these c…