We’ve gotten used to the GPIO-available functions of Raspberry Pi computers remaining largely the same over the years, which is...
Makers
How do you look back over your life and divide it up? Maybe by decades, cultural moments, or geopolitical events....
We all know that you can convert heat into electricity. Usually, you do that with some form of steam, but...
If you read old antenna books, you’ll probably see the idea of phased vertical antennas. These use certain lengths of...
You no doubt recall the incredible Apollo Guidance Computer (AGC) reverse engineering and restoration project featured on the CuriousMarc YouTube channel a...
Modern ham radio operators often face restrictions on antennas. This has made small antennas more popular, despite some limitations. reviews...
We’ve seen a few interesting magnetic core memories on these fine pages over the years, but we don’t recall seeing...
is building some microwave gear and wanted to convert a 3.3 GHz signal to a 12 MHz intermediate frequency. You...
Over the years the humble 555 timer has been used in so many unexpected places, but there’s a project from which...
If you are an old hand at RF design, you probably have a good handle on matching impedance. However, if...
If you had the misfortune of running a Microsoft Exchange server this past week, then you don’t need me to tell...
knows the pain of trying to operate a ham radio transmitter on a small lot. His recent video shows how...
The operational amplifier, or op amp, is one of the most basic building blocks used in analog circuits. Ever since...
The lower the frequency of radio transmission, the more antenna that will be needed in general. wanted to work the...
It isn’t an uncommon science fiction trope for our hero to be in a situation where there is no technology....
We probably don’t have to tell most Hackaday readers why the current wave of low-cost software defined radios (SDRs) are...
As consumer electronics companies chase profits on tighter and tighter margins, it seems like quality is continually harder to find...
Amateur radio is a hobby that is often thought of as being exclusive to those with a healthy expendable income....
Talking about this Chinese ham radio transceiver requires a veritable flurry of acronyms: HF, SSB, QRP, and SDR to start...
Restoring vintage computers is the favorite task of many hardware hackers. Retrocomputing probably makes you think of home computer brands...
All you need to get started in Software construction is a personal computer (Windows, Linux, Mac – they’ll all do),...
Mission extensions for interplanetary robot explorers are usually continuations of their primary mission. But sometimes the hardware already on board...
The LoRa radio protocol is well known to hardware hackers because of its Long Range (hence the name) but also...
For radio enthusiasts worldwide, the inexpensive Chinese handheld radios produced by the likes of Baofeng and other brands have been...
Following on from his talk Advances in Amateur Television at the RSGB 2016 convention, Noel Matthews, G8GTZ presents the latest developments in...
