Here is a very simple, inexpensive and interesting project which provides lot of fun to a home experimenter or hobbyist. This simple transmitter can transmit speech over a short range. It can be used ...

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 ...

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 ...

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 ...