Ever wanted to build an FM radio? Armed with an Arduino and a RDA5807M FM radio module, T. K. Hareendran shows us how to get started.

If you are looking for something you could build in one or two sittings, you might consider starting with a regenerative receiver. We’ve looked at them before and even have one that uses a LM386 ...

Somehow [hvde] wound up with a CB radio that does AM and SSB on the 11 meter band. The problem was that the radio isn’t legal where he lives. So he decided to change the radio over to work on… ...