How-To Geek on MSN

This $60 multimeter has saved me from so many bad repair guesses

A cheap multimeter won't repair gadgets for you, but it quickly shows what's actually broken.
Ars Technica

Problem setting car amp input sensitivity using multimeter

All, I posted this at DIYMA, and didn't get too may helpful responses, so figured I'd ask the Hive Mind. Back in the '90s, I used to set amp gains by turning the level pot all the way up and then ...