A regular Hack A Day reader sent in a tip about an LM386 stero amplifier with digital volume control. The resulting build is very professional and could easily be adapted into a slick iPod dock build.

This got me wondering: how do Darko.Audio Patrons change the volume on their hi-fi systems in emergency and non-emergency ...

One fun and cool thing for ardent audio folks to do is switch the volume of an audio amplifier between levels on a digital panel. Here’s a simple project to help you understand the technology behind ...