An electronics engineer known as "Iron Fuse" has developed a custom "USB and More Tester," offering a wide range of testing ...

For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

For added convenience, this multimeter features automatic ranging (more on that down below) and comes with test leads and a thermocouple with the required adapter.