Powercast has unveiled its Ubiquity wireless power transmitters, which use radio frequency (RF) power to charge devices over the air. The Pittsburgh, Pennsylvania-based company showed off its Ubiquity ...

The author is a consultant in Carterton, New Zealand. This follows up his December article “Tuned Bandpass Filter Is Solution to Backup STL.” Many years ago, the active whip antenna and the active ...

We live our lives in a wireless world, from our short-range radio toys to our garage door openers, which become our own personal internet of things encircling our entire home. These radio tools and ...

One of the great things about the Hackaday community is how quickly you find out what you don’t know. That’s not a bad thing, of course; after all, everyone is here to get smarter, right? So let’s ...

Wireless charging technology company Powercast has released a new RF-based over-the-air (OTA) wireless power system that enables radio frequency identification (RFID) transmission, as well as a power ...

An FM transmitter is one of the most popular devices between electronic hobbyist, professionals and even non-technical people. In this article, we gonna learn to how to build an easy, stable and ...