A lot of hams like to carry a VHF radio. Of course, nearly everyone wants to carry a phone. Now,...
ESP32
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 —...
Although much of the software that runs on the ESP32 microcontroller is open source, the Wi-Fi driver is not. Instead,...
A LoRa project has traditionally required a dedicated radio module, because it’s a commercially licenced protocol. But as the way...
The range of hardware that comes on some dev boards these days is truly staggering. Those little LoRa boards are...
Back in 1978, the world was a bit different. There was no Raspberry Pi, no Internet, and not even an...
For those who grew up with a cell phone in their hand, it might be difficult to imagine a time...
In a recent article in Elektor magazine, describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the...
This beautiful little radio may look like an art deco relic from a hundred years ago, but it is actually...
Even as music streaming services and podcast apps dominate most of our listening time, it’s still a great idea to...
If you’ve been making up for lost years of travel in 2023, you might have seen a fellow traveler in...
Almost all of modern society is built around various infrastructure, whether that’s for electricity, water and sewer, transportation, or even...
For a device advertised as the “Multi-tool Device for Hackers”, the Flipper Zero already offers a considerable list of onboard...
Thanks to its high orbital inclination, the International Space Station (ISS) eventually passes over most inhabited parts of the Earth....
A computing platform is never really dead unless people stop developing new software for it. By that measure, the Commodore...
If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl_433 project, which lets you...
These days, sending a picture to someone else is as simple as pulling out your smartphone and sending it by...
Embedded engineer has put together a compact LoRa satellite telemetry ground station that fits in your hand and can be built for...
It’s not uncommon for a radio enthusiast to have multiple antennas for the same radio, so as you might expect...
Before smartphones and Internet of Things devices were widely distributed, the Automatic Packet Reporting System (APRS) was the way to...
There’s no doubt that the RTL-SDR project has made radio hacking more accessible than ever, but there’s only so far...
