Headphones are wonderful, until they break. But what if there was a way to fix your favourite pair, rather than spending money on a replacement? Soldering isn’t something you do at the drop of a hat.

We’ve all had that treasured pair of headphones fail us. One moment we’re jamming out to our favorite song, then, betrayal. The right ear goes out. No wait. It’s back. No, damn, it’s gone. It works ...

[Tom] doesn’t much like breadboarding. He prefers to wire up prototypes with perfboard and solder point-to-point with enameled magnet wire. That may sound troublesome to some of you, but [Tom] has ...