While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

Over on YouTube our hacker [VIP Love Secretary] shows us how to make a simple MOSFET tester. This is a really neat, useful, elegant, and simple hack, but the video is kind of terrible. We found that ...

Q. I’ve always been afraid of electricity. I know I can’t be alone. I’m trying to overcome this fear and wonder if you can help me. What would you do if you were me? Are there simple tools I can use ...