A lot of farmers buy a voltmeter but never gain confidence in how to use it. Here are the basics: Plug the red test lead into the “positive” test port. Plug the black test lead into the ...

A customer recently called to ask questions about the electrical system on his machine. I asked if he had a voltmeter. There was a long pause, then he said, “Yes, but I don’t know how to use it.” He ...

Multimeters are a vital part of any electronics project, but learning how to use one isn't as simple as it looks. Thankfully, the above video from Adafruit walks you through pretty much everything you ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.