Robot Building for Beginners, Third Edition

(Marvins-Underground-K-12) #1

CHAPTER 13 ■ SOLDERLESS BREADBOARD SETUP


When the switch actuator is slid left, positive power is connected. When the switch actuator is slid right,
positive power is disconnected. It doesn’t matter that negative power is connected the whole time.


Adapting Multimeter Probes Using Jumper Wire


Because of their thickness, it’s not possible for bare multimeter probe tips or hook adaptors to reach the
metal strips beneath the breadboard holes. Using a hook adaptor, connect a piece of ordinary copper wire or
a reinforced jumper wire to the multimeter probe tip (see Figure 13-7). Now you can check the voltage in any
group or hole by inserting the wire.


Figure 13-6. Adding a wire to connect the top row to positive power through the switch

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