Category Archives: radio

All Band Radio Uses Arduino and Si4730

It is getting harder and harder to tell homemade projects from commercial ones. A good case in point is [Mirko’s] all band radio which you can see in the video below the break. On the outside, it has a good looking case. On the inside, it uses a Si4730 radio …read more

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Posted in arduino, Arduino Hacks, radio, radio hacks, Si4730, Si4735, Si473x, Si47xx | Leave a comment

Mr. Carlson Gets Zapped by Snow

As a Canadian, [Mr. Carlson] knows a thing or two about extreme winter weather. Chances are good, though, that he never thought he’d get zapped with high voltage generated by falling snow.

[Mr. Carlson]’s shocking tale began with a quiet evening in his jam-packed lab as a snowstorm raged outside. …read more

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Posted in arc, discharge, high voltage, misc hacks, radio, RF, snow, statis, triboelectric, weather | Leave a comment

Restoring a 1949 Golden Throat Radio

[Mr. Carlson] has a really beautiful old 1949-era radio to restore and you can watch him do it in a comprehensive video, below. We aren’t sure what we were more amused by: the odd speaker that looks like a ceiling air vent or the sticker on the back certifying that …read more

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Posted in golden throat, radio, radio hacks, RCA | Leave a comment

Hackaday Superconference: An Analog Engineer Dives Into RF

Those of us who work with electronics will usually come to the art through a particular avenue that we master while imbibing what we need from those around it. For example, an interest in audio circuitry may branch into DSP and microcontrollers as projects become more complex. Some realms though …read more

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Posted in 2019 Hackaday Superconference, cons, radio, radio hacks, RF | Leave a comment

The Price of Domestic Just In Time Manufacturing

Hardware is hard, manufacturing only happens in China, accurate pricing is a dark art. Facts which are Known To Be True. And all things which can be hard to conquer as an independent hardware company, especially if you want to subvert the tropes. You may have heard of [Spencer Wright] …read more

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Posted in Asia, bom, Centerline Labs, china, cogs, domestic, fm radio, hardware, manufacturing, mason jar, misc hacks, radio, supply chain, The Public Radio | Leave a comment

Software Defined Radio Hack Chat

Join us on Wednesday, September 18 at noon Pacific for the Software Defined Radio Hack Chat with Corrosive!

If you’ve been into hobby electronics for even a short time, chances are you’ve got at least one software-defined radio lying around. From the cheap dongles originally intended to watch digital TV

…read more

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Posted in Airspy, dongle, Hackaday Columns, HackRF, radio, RTL-SDR, sdr, software-defined radio, The Hack Chat | Leave a comment

Steampunk Radio Looks The Business

Radios are, by and large, not powered by steam. One could make the argument that much of our municipal electricity supply does come via steam turbines, but that might be drawing a long bow. Regardless, steampunk remains a popular and attractive aesthetic, and it’s the one that [Christine] selected for …read more

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Posted in gears, radio, radio hacks, steampunk | Leave a comment

1940s Portable Radio Is A Suitcase

The meaning of the word portable has changed a bit over the years. These days something has to be pretty tiny to be considered truly portable, but in the 1940s, anything with a handle on it that you could lift with one hand might be counted as portable electronics. Zenith …read more

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Posted in am radio, radio, teardown, vintage radio, wireless hacks, zenith | Leave a comment

3D Printing An Old-School Coherer

Coherers were devices used in some of the very earliest radio experiments in the 19th century. Consisting of a tube filled with metal filings with an electrode at each end, the coherer would begin to conduct when in the presence of radio frequency energy. Physically tapping the device would then …read more

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Posted in 3d Printer hacks, coherer, radio, radio hacks, spark gap | Leave a comment

Vintage Philco Radio Looks Stock, Contains Modern Secret: A Raspberry Pi

Antique radio receivers retain a significant charm, and though they do not carry huge value today they were often extremely high quality items that would have represented a significant investment for their original owners. [CodeMakesItGo] acquired just such a radio, a Philco 37-11 made in 1937, and since it was …read more

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Posted in home entertainment hacks, Philco, radio, Raspberry Pi, vintage radio | Leave a comment