When you hear about a switching power supply, you think of a system that uses…
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via HACKADAY: Emails Over Radio
The modern cellular network is a marvel of technological advancement that we often take for…
Read morevia HACKADAY: A Spark Gap Transmitter, Characterized
When we think of a spark gap radio transmitter, most of us immediately imagine an…
Read morevia HACKADAY: A Long-Range Meshtastic Relay
In the past few years we’ve seen the rise of low-power mesh networking devices for…
Read morevia HACKADAY: How Much Bandwidth Does CW Really Occupy?
Amateur radio license exams typically have a question about the bandwidths taken up by various…
Read morevia HACKADAY: A Practical Guide To Understanding How Radios Work
How may radios do you own? Forget the AM/FM, GMRS/FRS radios you listen to or…
Read morevia HACKADAY: A NanoVNA as a Dip Meter
A staple of the radio amateur’s arsenal of test equipment in previous decades was the…
Read morevia HACKADAY: LoRA, With No Radio
A LoRa project has traditionally required a dedicated radio module, because it’s a commercially licenced…
Read morevia HACKADAY: Automatic Position Reporting Over HF Radio
While most of us carry cell phones that have GPS and other location services, they…
Read morevia HACKADAY: A 65-in-1 the 2024 Way
If necessity is the mother of invention, nostalgia must be its stepmother, or its aunt…
Read moreThe Most Hackable Handheld Ham Radio Yet
All right, confession time. I don’t use my handheld ham radio for much more than eavesdropping on…
Read morevia HACKADAY: Open HT Surgery Gives Cheap Transceiver All-Band Capabilities
Watch out, Baofeng; there’s a new kid on the cheap handy talkie market, and judging…
Read morevia HACKADAY: Breadboard SDR Doesn’t Need Much
[Grug Huhler] built a simple Tayloe mixer and detector on a breadboard. He decided to…
Read morevia HACKADAY: The Hunt For Alien Radio Signals Began Sooner Than You Think
Every 26 months, Earth and Mars come tantalizingly close by virtue of their relative orbits….
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