We’ve seen a number of people create plasma speakers over the years here at Hackaday, so at first blush, the latest Plasma Channel video from [Jay Bowles] might seem like more of the same. Even his ...

With the LT6813, designers can build an optoisolator-free power controller that delivers from 20- to 600-V dc output up to 100 W using an updated version of the long-established “flyback” principle.

A look at the design of a continuous mode flyback transformer - presenting one more example of the function of an air gap in a ferrite core. From our discussion in last month's Power Design column, we ...

In this article, I'll show you how to built a Wireless Transfer of Energy Transmitter. Simply put, this device will send electricity to a florescent light bulb and light it up, from up to three feet.

Since its introduction years ago, the ESP-8266 has taken over the world. It’s the chip inside thousands of different projects, and the basis for dozens of different IoT thingamadoos. The follow-up to ...