How to use/buy a Multimeter

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A multimeter is the most fundamental and useful tool for anyone getting into electronics. It is also a great tool to have around the house even if you are not tinkerer. Its use can be very useful or dangerous in how it can damage itself or cause a potentially fatal shock to the user. This is a good video on all of this:

 

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Next part dealing with current measurements:

 

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How to measure resistance:

 

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Buying guide to multi-meter

If you have made it this far and want to buy a good multi-meter, this is a good guide from Dave Jones. It is aimed at electronics hobbyists but should be useful for everyone.