You can buy cheap FM transmitters for your iPhone from pretty much anywhere, but if you'd rather make your own little transmitter, Make shows you how to do it. The basic idea here is that you can ...

Here are some DIY FM Transmitter circuits that we have been published on electroschematics.com. This do-it-yourself fm transmitters are pretty easy to build and will give you a good feeling when ...

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Ever wanted to act out your childhood dreams of being a spy? Make has a guide for building your own audio bugging device, which broadcasts an extremely low powered FM signal about 160 feet. The basic ...

This transmitter is basic but allows transmission of audio to an AM radio. It consists of an RF oscillator operating in the AM broadcast band, together with a modulator stage, which mixes the incoming ...