What if a doorbell never needed a battery and still sent signals wirelessly over long distances. This design can turn every ...

The Raspberry Pi, a versatile single-board computer, can be transformed into a functional FM transmitter without the need for any separate transmitter HAT or additional hardware. This is achieved by ...

The Canon Extender RF 2x is one of the priciest teleconverters on the market but I love its build quality and performance. I’d love it even more if it was compatible with a couple of my favored lenses ...

Powercast will be at CES 2023 with its Ubiquity RF power transmitter, a device it hopes can make a pervasive presence of RF wireless power in smart homes. With this transmitter, Powercast claims to ...

The many technical factors that must be assessed in 5G antenna design, including their interactions. Further physical/environmental considerations for both the antenna and the entire system. In the ...

Soon to be launching via Crowd Supply is a powerful ESP32 based IR/RF remote taking the form of the aptly named ESP360 Remote. The small open source hackable IR and RF remote features 9 IR LEDs and an ...

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 ...

Powercast Corp. has unveiled its Ubiquity transmitter, a low-cost, small RF power device that can charge multiple devices over-the-air. The company said the transmitter can charge any low-power RF ...