Collaborate Disseminate
Scanning the firehose of new electronic kits and modules coming from the usual Chinese suppliers can be a rewarding experience, as sometimes among the endless breakout boards comes an item …read more Continue reading A New Chinese Radio Breaks Cover, is it Worth it?
It’s a staple of spy thriller movies, that the protagonist has some kind of electronic scanner with which he theatrically searches his hotel room to reveal the bad guys’ attempt …read more Continue reading RF Detector Chip Helps Find Hidden Cameras and Bugs
If you want to deliver the maximum power to a load — say from a transmitter to an antenna — then both the source and the load need to have …read more Continue reading Silent Antenna Tuning
Anyone who works with radio transmitters will know all about matching and impedance, and also about the importance of selecting the best co-axial cable connecting transistor and antenna. But here’s …read more Continue reading Save A Packet, Use Cheap Co-Ax!
One of the hacker toys to own over the last year has been the Flipper Zero, a universal wireless hacking tool which even caused a misplaced moral panic about car …read more Continue reading Forget Flipper, How About Capybara?
Pretty much every modern car has some driver assistance feature, such as lane departure and blind-spot warnings, or adaptive cruise control. They’re all pretty cool, and they all depend on …read more Continue reading Fundamentals of FMCW Radar Help You Understand Your Car’s Point of View
Imagine you’ve got an FM transmitter located some place. Wouldn’t it be mighty convenient if you could control that transmitter remotely? That way, you wouldn’t have to physically attend to …read more Continue reading FM Transmitter Remotely Controlled Via ESP32
Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. [Powerfeatherdev] was in just that situation, and they whipped up a particularly compact …read more Continue reading Tiny LoRa GPS Node Relies on ESP32
A lot of hams like to carry a VHF radio. Of course, nearly everyone wants to carry a phone. Now, thanks to the kv4p HT, you don’t have to carry …read more Continue reading A Phone? A Ham Radio? Relax! It’s Both!
If you are involved in any sort of radio transmission, you probably have at least heard of SWR or standing wave ratio. Most transmitters can measure it these days and …read more Continue reading What’s Your SWR? Are You Sure?