Starter Guide

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A DC motor is any of a class of electrical machines that converts direct
current electrical power into mechanical power. The most common types
rely on the forces produced by magnetic fields. Nearly all types of DC motors
have some internal mechanism, either electromechanical or electronic, to
periodically change the direction of current flow in part of the motor. Most
types produce rotary motion; a linear motor directly produces force and
motion in a straight line.
DC motors were the first type widely used, since they could be powered
from existing direct-current lighting power distribution systems. A DC
motor's speed can be controlled over a wide range, using either a variable
supply voltage or by changing the strength of current in its field windings.
Small DC motors are used in tools, toys, and appliances. The universal
motor can operate on direct current but is a lightweight motor used for
portable power tools and appliances
Pins information:
B
Digital output
A
Digital output
+
VCC
-
GND
Operating steps
1. First, we need to prepare the following experimental materials:
1 * microbit