Troubleshooting Techniques: Using a Multimeter
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On today’s Tech, No Babel: Troubleshooting Techniques: Using a Multimeter
Electricity is generally invisible in most electronics applications. If something goes terribly wrong, you’ll see a spark, but that generally lets the “magic smoke” out. Then it won’t work at all 😉 j/k[tweet “Sometimes you need to know more than that electricity is present. You need to know how much. That’s what a multimeter is for.”]
Last time, we talked about making invisible energy, like IR and electricity, visible (http://trinitydigitalmedia.com/2016/01/troubleshooting-techniques-making-the-invisible-visible-tech-no-babel/). That’s fine if you just want to see if there’s any electricity there, but what if you need to know how much? Try using a multimeter.
A multimeter measures, voltage, amperage, resistance, among other things. You don’t have to spend a lot of money to get one. In fact, the one you see in the video above cost me about $6 at harbor freight (http://www.harborfreight.com/7-function-digital-multimeter-90899.html link for informational purposes, not an affiliate link).
So watch the video to see how to use one and stay until the end to see what happens when you don’t have a meter (but don’t do it; I’m a trained professional). 😉
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