To connect the miniature world of integrated circuits like a CPU with the outside world, a number of physical connections...
hackaday
Once upon a time, ham radio was all about CW and voice transmissions and little else. These days, the hobby...
Fnirsi is one of those brands that seem to pop up more and more often, usually for portable oscilloscopes and...
Pointing at stars may seem easy on the surface—just mount a telescope to a tripod and you’re done, right? As...
Ever want to find your device on the map? Think we all do sometimes. The technology you’ll generally use for...
Heating things up is one of the biggest sources of cost and emissions for many industrial processes we take for...
Interested in playing with ultra-wideband (UWB)? recently put together a fairly comprehensive getting started guide featuring the AI Thinker BU03...
Anyone who’s spent significant amounts of time salvaging old electronics has probably wished there were a way to take apart...
When you mention Teletext or Videotex, you probably think of the 1970s British system, the well-known system in France, or...
It’s hard to argue with nostalgia, but you can toss a bucket of cold facts over it. In the case...
The Allen key turns 115 this year. It’s strange to believe that in all that time, no one has come...
When is a Raspberry Pi not a Raspberry Pi? Perhaps when it’s a Pi Zero-shaped board with an RP3A0 SoC...
Aside from a few stand-out programs — looking at you, Star Trek — by the late 1960s, TV had already...
was experimenting with GNU Radio and an RTL-SDR dongle. He created an SSB receiver and, lucky for us, he documented...
At this point, atomic clocks are old news. They’ve been quietly keeping our world on schedule for decades now, and...
Although these days we get to tap into many sources of entropy to give a pretty good illusion of randomness,...
Let’s say you want to build a Nixie clock. You could go out and find some tubes, source a good...
What color do you like your microcontroller boards? Blue? Red? Maybe white or black? Sadly, all of those are about...
After World War II, as early supersonic military aircraft were pushing the boundaries of flight, it seemed like a foregone...
One of the categories we chose for the One Hertz Challenge is “Could Have Used a 555.” What about when...
It’s often said that what’s inside matters more than one’s looks, but it’s hard to argue that a product’s looks...
We did explicitly ask for projects that use a 555 timer for the One Hertz Challenge, but we weren’t expecting...
The human eye’s color perception is notoriously variable (see, for example, the famous dress), which makes it difficult to standardize...
Lightning is a powerful force, one seemingly capable of great destruction in the right circumstances. It announces itself with a...
Our hacker wrote in to let us know about a video he put together to explain the design of his...
