Let’s say you want to build a Nixie clock. You could go out and find some tubes, source a good...
ESP32
The original ESP32 may be a little long in the tooth by now, but it remains a potent tool for...
had a problem. He had an Onkyo AV receiver that did a great job… until it didn’t. A DSP inside...
We’ve seen tons of projects lately using the ESP32-C3, and for good reason. The microcontroller has a lot to offer,...
When was the last time you saw a computer actually outlast your weekend trip – and then some? Enter the...
There’s something cool about the visual design language used in the aviation world. You probably don’t get much exposure to...
The ESP32 series of microprocessors with their cheap high-power cores and built-in wireless networking have brought us a wide variety...
A desk companion that intercepts and plays encrypted radio communications—once popular during the Cold War era but still in use...
How do you get images downlinked from 30 km up? Hams might guess SSTV — slow scan TV — and...
Recently there was a panicked scrambling after the announcement by of a ‘backdoor’ found in Espressif’s popular ESP32 MCUs. Specifically...
There’s been a lot of buzz about Meshtastic lately, and with good reason. The low-power LoRa-based network has a ton...
Ever been at a party and landed in a heated argument about exactly where the International Space Station (ISS) is...
The ESP32 series of microcontrollers have been with us for quite a few years now, providing a powerful processor and...
If we’ve learned anything over the years, it’s that the only thing hardware hackers love more than a device festooned...
had an interesting problem to solve—his girlfriend often requested Diet Coke, but yelling for one across the apartment was frustrating...
Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. was in just...
We’re suckers for good-looking old-school calculators, so this interesting numerical equation-solving calculator by caught our attention. Based around the ESP32-WROOM-32 module...
Imagine you’ve got an FM transmitter located some place. Wouldn’t it be mighty convenient if you could control that transmitter...
It’s a staple of spy thriller movies, that the protagonist has some kind of electronic scanner with which he theatrically...
A lot of hams like to carry a VHF radio. Of course, nearly everyone wants to carry a phone. Now,...
As technology progresses, we generally expect processing capabilities to scale up. Every year, we get more processor power, faster speeds,...
There’s a good chance you’ve seen “Nixie clocks” on the Internet that replace the classic cold cathode tubes with similarly...
For almost as long as there have been microcomputers, there have been attempts with varying success to make tiny handheld...
wanted an Everything Presence Lite kite but found it was always out of stock. Therefore, he decided to create his...
For those of us who lived through the early 8-bit computing revolution — the tail end, in our case —...
