Wireless microphones give you the freedom to move around while amplifying your voice, but they can be incredibly expensive. With a Raspberry Pi, a few cheap components, and a radio, you can create one ...

This one is a high power FM wireless microphone that provides very good frequency stability in about 1km range and very good microphone sensitivity. It can be used inside guitars, as a part of remote ...

These days, there are literally hundreds of different Bluetooth speakers to choose from. From smaller ones small rooms to huge ones that last days on a single charge, there’s definitely a speaker for ...

Sometimes, the most revolutionary ideas are those that in hindsight appear quite obvious and simple. The technology behind the SpectraPulse ultra wideband wireless microphone system is just that ” ...

The AR34T3C Mono audio CODEC is a cost-down high-end solution for multi-media portable applications. It features microphone input and dual-channel hea ...

Here is a low component count FM transmitter. It sacrifices some features, like the ability to adjust the frequency, for simplicity’s sake. The build method is fairly common with amateur radio but we ...