Robot Building for Beginners, Third Edition

(Marvins-Underground-K-12) #1

CHAPTER 8 ■ CLIPS AND TEST LEADS


(alternate) If your multimeter doesn’t have a continuity feature, turn the dial to
the lowest ohm range (see Figure 8-6). This measures resistance. A short wire like
the jumper lead should have almost no resistance to electricity flowing through it.

Testing an Open Connection



  1. Do not touch the metal tips of the probes to anything at this point (see
    Figure 8-7). If the meter isn’t already turned on, press the power-on button.


A meter with a continuity feature should now display open and should not be beeping. Some meters
display “0L mV” instead of the word “open” (see Figure 8-8). Check your meter manual.


Figure 8-6. Multimeter dial set to lowest ohm range


Figure 8-7. Multimeter probe tips not touching

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