Car Radio Chip Goes Into DIY Build

[Sjef Verhoeven] still loves radio and enjoys the challenge of listening to radio signals from far away. He wanted to build his own radio and turned to the TEF6686 chip, a device often found in car…

Junk Box Build Helps Hams With SDR

SDRs have been a game changer for radio hobbyists, but for ham radio applications, they often need a little help. That’s especially true of SDR dongles, which don’t have a lot of select…

GNSS Reception With Clone SDR Board

We love seeing the incredible work many RF enthusiasts manage to pull off — they make it look so easy! Though RF can be tricky, it’s not quite the voodoo black art that it’s often…

Cyberpack Puts All The Radios Right On Your Back

A disclaimer: Not a single cable tie was harmed in the making of this backpack cyberdeck, and considering that we lost count of the number of USB cables [Bag-Builds] used to connect everything in i…

Pi Pico SDR On A Breadboard

How hard is it to make a fully standalone SDR? [101 Things] shows you how to take a breadboard, a PI Pico, and two unremarkable chips to create a capable radio. You can see the whole thing in the v…

The Pi Pico, An SDR Receiver Front End

Making a software defined radio (SDR) receiver is a relatively straightforward process, given the right radio front end electronics and analogue-to-digital converters. Two separate data streams are…

DIY Passive Radar System Verifies ADS-B Transmissions

Like most waves in the electromagnetic spectrum, radio waves tend to bounce off of various objects. This can be frustrating to anyone trying to use something like a GMRS or LoRa radio in a dense ci…

Flipper Zero Panic Spreads To Oz: Cars Unaffected

A feature of coming to adulthood for any young person in the last quarter of the twentieth century would have been the yearly warnings about the danger of adulterated Halloween treats. Stories were…

Breadboard SDR Doesn’t Need Much

[Grug Huhler] built a simple Tayloe mixer and detector on a breadboard. He decided to extend it a bit to be a full-blown software defined radio (SDR). He then used WSJT-X to monitor FT8 signals and…

Pi 5 And SDR Team Up For A Digital Scanner You Can Actually Afford

Listening to police and fire calls used to be a pretty simple proposition: buy a scanner, punch in some frequencies — or if you’re old enough, buy the right crystals — and you&#82…

Skip The Radio With This Software-Defined Ultrasound Data Link

We know what you’re thinking: with so many wireless modules available for just pennies, trying to create a physical data link using ultrasonic transducers like [Damian Bonicatto] did for a sh…

Roll Your Own SDR

If you have software-defined radio hardware and you are only using someone elses’ software, you are missing out on half of the fun. [Tech Minds] shows you how easy it can be to roll your own …

Junk Bin Cyberdish Turns You Into The Satellite Tracker

The good thing about listening in on satellites is that they tend to beam down all kinds of juicy information from their lofty perches. The bad thing about satellites is that to stay in those orbit…

Hackaday Prize 2023: A Software-Defined Radio With Real Knobs And Switches

When cheap digital TV dongles enabled radio enthusiasts to set up software defined radio (SDR) systems at almost zero cost, it caused a revolution in the amateur radio world: now anyone could tune …

It’s Numbers All The Way Down With This Tape Measure Number Station Antenna

For all their talk of cooperation and shared interests, the nations of the world put an awful lot of effort into spying on each other. All this espionage is an open secret, of course, but some of t…

2023 Cyberdeck Contest: Cyberdeck Red Is Ready For Action

What exactly constitutes a cyberdeck is up for debate, but for us, one thing is clear: A cyberdeck needs to look like it’s ready to go to battle. When the machines finally rise up and try to …

Listening In On A Deep-Space Satellite As It Returns Home

We’ve covered dozens of projects about getting images of Earth’s weather straight from the source. It’s not too much of a trick to download images straight from our constellation …