More about Motors

Much of the output behavior produced by a robot or another electrical/mechanical device depends on the operation of motors, and understanding how to control the motors is often the key to getting the device to perform the desired output behaviors. Motors work by spinning very rapidly. The motors students will work with in this curriculum have a small stem (axel) that turns when the motor is on. Output devices, such as a wheel, are attached to the motors, either directly or by a series of connected gears and axels. In all of the systems students will use in this series, the power supply for the motors is provided by batteries.

 There are only a few things that can be done to affect the operation of motors: 

          they can be turned on or off

          they can be set to spin forward (clockwise) or backward (counter-clockwise)

          the speed at which they spin can be faster or slower

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