If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog...
Arduino
The Unihiker K10 is intended to be a small single-board solution for light AI and machine learning tasks. However, you...
When we see an extremely DIY project, you always get someone who jokes “well, you didn’t collect sand and grow...
upyOS is a modular, lightweight MicroPython-based operating system (OS) that provides a Unix-like experience on low-resource microcontrollers such as Espressif...
wrote in with his newest clock build — and he did warn us that it was minimalist and maybe less...
If you want to save a little money on a thermal camera, or if you just enjoy making your own,...
Learning Morse Code is no longer a requirement for HAMs in many jurisdictions, but it’s still a nice skill to...
For those living in the continental US who, for whatever reason, don’t have access to an NTP server or a...
Do you ever get tired of stressing your neck looking for planes in the sky? Worry not! Here is a...
The ESP32 series of microcontrollers have been with us for quite a few years now, providing a powerful processor and...
The chances are that many of you will have made an FM “bug” style transmitter, a simple one-transistor oscillator usually...
When it comes to hacking niches, breathing new life into vintage devices is always an exciting challenge. ’s recent project...
To capture an instant on film or sensor with a camera, you usually need a fast shutter. But alternately a...
It may be the last gasp of summer here in the Northern Hemisphere, but it’s always cold somewhere, whether it’s...
Do you know Morse code already? Or are you maybe trying to learn so you can be an old school...
Morse code, often referred to as continuous wave (CW) in radio circles, has been gradually falling out of use for...
Numbers stations are a weird phenomenon where odd voices read out long strings of numbers or random codewords to the...
Video may have killed the radio star, but cell phones and smart phones all but killed the pager. They still...
We know what you’re thinking: with so many wireless modules available for just pennies, trying to create a physical data link...
For those who grew up with a cell phone in their hand, it might be difficult to imagine a time...
had previously built a frequency counter using an Arduino, with a useful range up to 6 MHz. Now, they’ve implemented...
has a type, as they say. At least as far as radios are concerned, he seems to prefer elegant designs...
In an age of increasing “stuff” orbiting Earth one big concern is what happens if one satellite hits another. The...
National Coding Week has been run for many years in the third week of September. Coding is used increasingly in...
Magnetic loop antennas are great if you are limited on space since they are just a potentially small loop of...
