The direct current motor or the DC motor has a lot of application in today's field of engineering and technology. Starting from an electric shaver to parts of automobiles, in all small or medium sized motoring applications DC motors come handy.
L293d is an H Bridge bidirectional motor driver IC used to interface DC motor and stepper motors to Microcontrollers. already discussed about the working principle of L293 IC with an example of bidirectional motor driver circuit.It is very easy to make a DC motor control using microcontroller.
In a DC motor, an armature rotates inside a magnetic field.Basic working principle of DC motor is based on the fact that whenever a current carrying conductor is placed inside a magnetic field, there will be mechanical force experienced by that conductor.
Design specifications for the brushless DC motor were established based on the principle that the motor should be easy to construct with readily available parts, and should provide qualitative performance similar to many commercially available DC motors, such as those used in small electric fans.