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, ...

The project is about the size of a standard AA battery which aims to build a single transistor FM transmitter. Having a power supply of 1.5V cell is the main advantage of this circuit. The battery is ...

I hope this is the right forum, it is sort-of about audio. I've been wanting to build a nice headphone amp for quite some time. But, I decided to get my feet wet with a little FM transmitter kit I saw ...