Although the ubiquitous LM386 IC was designed to be used as an audio amplifier, it has a number of undocumented characteristics that can be exploited to create simple radio receiver circuits that ...

I was a writter on electroschematics.com but now I have my own site where I publish from time to time.

If you know anything about a transistor, it’s probably that it’s a three terminal device whose output pin forms part of a potential divider whose state is dependent on what is presented to its input ...

Most of today’s portable music comes by way of battery-powered audio devices. Of course, sound systems are available for outdoor use, but they can be quite expensive and, as discussed here, ...