Reverse engineering a payphone doesn’t sound like a very interesting project, at least in the United States, where payphones were...
Hackaday
Every scout knows how to read a compass, and that there is a magnetic north and a true north. That’s...
Although a lot of tools have been digitized and consolidated into our smartphones, from cameras, music players, calendars, alarm clocks,...
As part of a phosphorescence detector, has been working with photodiodes. The components, like all diodes, have some capacitance at...
Two guys — Stern and Gerlach — did an experiment in 1922. They wanted to measure magnetism caused by electron...
If you’re new to the world of circular math, you might be content with referring to pi as 3.14. If...
If you were in Tunisia in October, you might have caught some of the Morse Code championships this year. If...
For the amateur radio operator with that on-the-go lifestyle, nothing is more important than having your gear as light and...
Have you ever considered running your ham radio remotely? It has been feasible for years but not always easy. Recently,...
Conventional wisdom has it that the solid state era in electronics began in 1948 with the invention of the transistor,...
We will admit it. If we found a 386 motherboard as badly corroded as the one did, we would trash...
On December 11th, the FCC announced that the band around 6GHz would be open to “very low-power devices.” The new...
‘Tis the season for holiday hacks, and is here to remind us that we don’t necessarily need a fancy microcontroller...
What if your keychain could tell you the temperature, all while staying battery-free? That’s the essence of this innovative keychain...
Raspberry Pi just dropped the new Raspberry Pi 500, which like its predecessor puts the similarly named SBC into a...
At the time of its construction in the 1950s, the Dwingeloo Radio Observatory was the largest rotatable telescope in the...
There was a time when ham radio operators were known for having long conversations over the radio — rag chewing,...
The 20th century saw humankind’s first careful steps outside of the biosphere in which our species has evolved. Whereas before...
The world of the overclocker contains many arcane tweaks to squeeze the last drops of performance from a computer, many...
For the cautious, a good piece of advice is to always wait to buy a new product until after the...
We don’t know much more than what we see with ’s battery loader design (video embedded below) but it just...
The small size of action cameras has made them a great solution for getting high-quality experimental footage where other cameras...
When we think of an m.2 slot in our laptop or similar, it’s usually in the context of its PCI...
We love seeing the incredible work many RF enthusiasts manage to pull off — they make it look so easy!...
If you’re planning on working satellites or doing any sort of RF work where the signal lives down in the...