The current generation of USB-powered soldering irons have a lot going for them, chief among them being portability and automatic...
microcontroller
Making a multi-band amateur radio transceiver has always been a somewhat challenging project, and making one that also supported different...
Each Christmas, , , and (meanwhile going by ‘the Janky Jingle Crew’)—set themselves the challenge of outdoing their previous creations....
When we think of an m.2 slot in our laptop or similar, it’s usually in the context of its PCI...
If Apple has a reputation for anything other than decent hardware and excellent industrial design, it’s for selling its products...
In this edition: * AMSAT OSCAR-7 50th Anniversary – A Testbed for Saving Lives * Another Batch of CubeSatSim Kits...
I recently got one of the new RP2040-based Bus Pirate 5 (BP5), a multi-purpose interface debugging and testing tool. Scanning...
The 555 timer is one of the most versatile integrated circuits available. It can generate PWM signals, tones, and single-shot...
We’ve seen a great many cat feeders over the years. Some rely on the Internet of Things, and some rely...
While classroom learning isn’t for everyone, one awesome benefit of the Internet is that you have a variety of college...
latest endeavor, the B4 Thinker, offers a captivating glimpse into microcontroller architecture through a modular approach. This proof-of-concept project is...
Battery management is a tedious but necessary problem that becomes more of a hassle with lithium-ion technology. As we’re all...
The proliferation of microcontrollers has made it easier than ever to add some smarts to a project, but sometimes there...
Ian from Dangerous Prototypes demonstrating the RP2350-E9 issue in a Bus Pirate prototype without pull-ups. There’s currently a significant amount...
We live in a time where there’s virtually no excuse not to have some kind of oscilloscope. As shows in...
Although much of the software that runs on the ESP32 microcontroller is open source, the Wi-Fi driver is not. Instead,...
I know I’ve mentioned this before, but on the off chance you’ve forgotten, I graduated from university in 1980. My...
While most of us now remember Radio Shack as a store that tried to force us to buy batteries and...
There are plenty of hobbies around with huge price tags, and ham radio can certainly be one of them. Experienced...
FPV drones are a signature weapon of the Ukraine conflict, and jammers to stop them are a matter of life...
had previously built a frequency counter using an Arduino, with a useful range up to 6 MHz. Now, they’ve implemented...
The 433 MHz spectrum is a little bit of an oddball. It’s one of the few areas of the radio spectrum...
The Ham Radio All-in-one cable (AIOC) is a small PCB attachment for a popular series of radio transceivers which adds a USB-attached...
