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, ...

A crystal radio is a common enough science fair project, but the problem is, there isn’t much on anymore. The answer is, of course, obvious: build your own AM transmitter, too. AM modulation isn’t ...

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, ...

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 ...

Silicon Laboratories Inc. has announced the first single-chip FM radio transceiver family. The proven, patented digital architecture of the Si472x transceiver combines the functionality of the Si470x ...

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.