3 Motors
A robot’s muscles are almost always its motors. Put simply, a motor is an electromechanical device that rotates a shaft when an electric current is applied to it. There are many kinds of motors, but the particular type of motor normally used for robotics is the DC (direct current) motor.
DC Motors
The most fundamental thing you need to understand about DC motors is that electromagnetic forces cause DC motors to spin. When power is applied to the motor’s terminals, the motor shaft spins in one direction.
When you reverse the power ...
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