To build this simple radio transmitter, you will need to gather the parts such as a 9V battery, a clip, wires, a prototype board, a trimmer capacitor, a resistor, an audio plug, etc. From tools, ...

What if you could broadcast signals across the globe using just a credit-card-sized computer and a handful of components? It might sound like a scene from a sci-fi novel, but with a Raspberry Pi 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 ...

I don't normally cross-post, but this wasn't getting any response in the Audio/Video section.<P>I was just looking thru a catalog the other day when I came across a portable FM Radio that was tiny, ...

A recent Radio World ebook discussed trends in transmitters and best practices when shopping for one. Mike Cooney is executive vice president of engineering and chief technology officer of Beasley ...

If you wanted to know how to make long range FM transmitter, here’s a way to do that. For this project, you need solid gauge wire, electret microphone, a copper clad PCB, a transistor, and capacitors.