Multimeters are one of the key tools in a hardware hacker’s bench. For 90% of us, the meter leads are perfect for making measurements and looking over at the results. Sometimes you need a bit ...

a multimeter will come with two electrical leads. One is black. Plug it into the socket labeled “common” on the face of the multimeter. Plug the red electrical lead into the socket marked ...

To use a multimeter, you must first select the correct symbol on the dial and plug the leads into the correct ports. In 1920, ...