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Chapter 6 Options for Creating and Controlling Motion 149
FIGURE 6-18 The complete soldered circuit
10. It’s a good idea at this point to relieve any strain on your wires so the soldered
joints don’t break—a practice commonly called strain relief. Ideally, your
soldered joints should not be used as mechanical joints. You also don’t want
to leave conductive parts exposed where you might short them against a
wrench on your desk. Use heat-shrink tubing, hot glue, electrical tape, or
cable ties wherever necessary.
11. Attach the battery, turn your switch on, and watch the motor move! Turning
the switch on allows power from the batteries to flow through your soldered
joints to the motor.
