Collaborate Disseminate
Analog radio broadcasts are pretty simple, right? Tune into a given frequency on the AM or FM bands, and what you hear is what you get. Or at least, that …read more Continue reading Subchannel Stations: The Radio Broadcasts You Didn’t Know Were There
[Peter Mount] had a simple problem. He’d treated himself to a retro purchase in the form of a BBC Master 128—a faster sequel to the BBC Micro Model B. The …read more Continue reading Old BBC Micro Gets Some Disk Help From A Raspberry Pi
Dial-up modems used to be the default way of accessing the Internet, but times have moved on. They’re now largely esoteric relics from a time gone by. With regular old …read more Continue reading Getting Dial-Up To Work Over VOIP Isn’t Always Easy
We talk a lot about patent disputes in today’s high-tech world. Whether it’s Wi-Fi, 3D printing, or progress bars, patent disputes can quickly become big money—for lawyers and litigants alike. …read more Continue reading The Battle Over Vanishing Spray
If you want to build semiconductors at home, it seems like the best place to start might be to find a used scanning electron microscope on eBay. At least that’s …read more Continue reading Homebrew Electron Beam Lithography with a Scanning Electron Microscope
When you hear the cry of “Man Overboard!” on a ship, it’s an emergency situation. The sea is unkind to those that fall from their vessel, and survival is never …read more Continue reading Man Overboard Systems Aim To Increase Survival Rates At Sea
Air hockey is a fun game, but it’s one you can’t play by yourself. That is, unless you have a smart robot hockey player to act as your rival. [Zeroshot] …read more Continue reading Robot Air Hockey Player Predicts Your Next Move
As part of a phosphorescence detector, [lcamtuf] has been working with photodiodes. The components, like all diodes, have some capacitance at the junction, and this can limit performance. That’s why …read more Continue reading The Disappearing Capacitor
If you’re a fan of the Fallout series of games, you’ve probably come across a Radiation King radio before. In the game, that is, they don’t exist in real life. …read more Continue reading Creating A Radiation King Radio In The Real World
If you want to play with radar — and who could blame you — you can pretty easily get your hands on something like the automotive radar sensors used for …read more Continue reading Hacked Ultrasonic Sensors Let You See With Sound