Since their invention more than a century ago, crystal oscillators have been foundational to electronic design. They allow for precise...
General
As cheap microcontrollers have given us an impressive range of test equipment trinkets to play with, it’s easy to forget...
We’re not very far into the AI revolution at this point, but we’re far enough to know not to trust...
Dear Member, At the 2024 ARRL Annual Meeting held in January, the Board of Directors unanimously voted to approve the...
It’s easy to use electricity — solar-generated or otherwise — to desalinate water. However, traditional systems require a steady source...
knows that real diodes you can buy don’t work exactly like we say they do. That’s actually pretty common. We...
Imagine this. A young person comes to you wanting to get started in the electronic hobby. They ask what five...
Yaesu quietly added three new mobile VHF/UHF transceivers to its website. The FT-3185RASP, FT-3165RASP, and FTM-150RASP all focus on Yaesu's...
Everyone knows those small bags of forbidden “Do not eat” candy that come with fresh rolls of FDM filament as...
To capture an instant on film or sensor with a camera, you usually need a fast shutter. But alternately a...
In 1983, a 14-year-old saw an LED clock in The Sharper Image store. At $250, it stayed in the store....
The National Conference of Volunteer Examiner Coordinators (NCVEC) Question Pool Committee (QPC) has removed one Extra Class pool question and...
To commemorate the centenary of this historic contact made by Goyder and Bell, Mill Hill School will be hosting working...
Occasionally, we find fun new electronic instruments in the wild and can’t resist sharing them with our readers. The item...
I recently got one of the new RP2040-based Bus Pirate 5 (BP5), a multi-purpose interface debugging and testing tool. Scanning...
bought cheap clip leads online and, wisely, decided to check them. We’ve had the same experience that he’s had. Sometimes,...
The double-slit experiment, first performed by in 1801 provided the first definitive proof of the dual wave-particle nature of photons....
Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. was in just...
It’s been nearly four years since the Arecibo Telescope collapsed, an event the world got to witness in unprecedented detail...
It’s been about a decade since Amazon began to fly its delivery drones, aiming to revolutionize the online shopping experience...
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...
via Facebook: The Hamvention team is pleased to introduce our 2025 Theme: Radio Independence. Radio Independence means a great deal...
It’s a staple of spy thriller movies, that the protagonist has some kind of electronic scanner with which he theatrically...
The Quansheng UV-K5 is a popular handheld radio. It’s useful out of the box, but also cherished for its modification...
In the 2020s we’re used to software being readily accessible, and often free, whether as-in-beer or as-in-speech. This situation is...