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Chapter 5. The Right Tools for the Job > Thumbnail Guide to Digital Multimeters

Thumbnail Guide to Digital Multimeters

A digital multimeter (DMM) is an extremely handy tool to have around for any sort of electronics work, from testing to see if the current is actually off in your house, to finding out how much power is left in your MP3 player’s batteries, to finding out the value of components for your robot projects (see Figure 5.5).

Figure 5.5. A typical DMM. This one has some nice high-end features like “auto-ranging” and “data hold.”



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