If you’ve got £40 to spare and want to learn more about the magic that pushes your tunes beautifully from your laptop/phone/Hi-Fi to your ears, here’s a Sunday afternoon tech project for you.

A DC motor can be switched ON and OFF using this amplifier circuit while being able to regulate its spinning speed with a PWM source generator. The circuit is using the pin 9, 10, and 11 from the ...

As audio/video hobbyists, most of us grew up thinking that if we have an amplifier with 50 watts of rated output power into 8-ohm speakers, and that combination produces reasonably clean and loud ...

I recently obtained a pair of JBL HDI-1600 speakers. These are the nicest speakers I've ever owned, and I would like to get the most out of them. I have an old Harman-Kardon PM640 integrated amp for ...

We live in a world in which nearly any kind of gadget or tool you can imagine is just a few clicks away. In many respects, this has helped fuel the maker culture over the last decade or so; now that ...