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Robot Building for Beginners by David Cook

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Chapter 4. Digital Multimeter

We're still covering basic prerequisites to building a robot, such as safety and where to buy parts. In this chapter, you're going to learn about a vital piece of measurement equipment that every robot builder has by their side, the digital multimeter. Multimeter features are broken into groups: must-have, nice-to-have, and optional. The chapter concludes with an analysis of three multimeters.

A multimeter is a required tool for robot building. You will need a multimeter to perform the experiments and build the projects in the chapters that follow. (See Figure 4-1 for an example of a multimeter.)

With a multimeter, you can:

  • determine if an unexpected amount (too much or too little) of power is being used

  • determine if ...

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