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 ...

I'm happy to flag this one, a new volume of the Arduino Project Handbook. Volume 2 sees twenty-five more beginner-friendly electronics projects, revolving around the Atmel AVR-based Arduino Uno board.

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We've seen every manner of touchpad -- multitouch, gesture recognition, no touch, LCD trackpads -- if you can think of it, somebody has probably done a version of it. Take this particular one for ...