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What is the advantage of a stepper motor over DC motor?
Stepper motors can also provide holding torque (positive torque value at zero speed), which is great for robotics and other positioning applications. These machines, while generally less efficient than a common DC motor, provides excellent repeatable movement that is both reversible and highly controllable.
Why do you need a stepper motor driver?
A Stepper Motor Driver is the driver circuit that enables the stepper motor to function the way it does. For example, stepper motors require sufficient and controlled energy for phases in a precise sequence. Due to this, stepper motors are considered more advanced than the typical DC motor.
Why are motor drivers required to dc motor with 8051?
The IC L293D is used for interfacing 8051 with DC motor as shown in the block diagram. The two input buttons can be used to control the output PWM generated by the microcontroller. This output signal is then fed to DC motor through motor driver. Thus, the speed of DC motor can be controlled.
Why is a driver circuit needed between microcontroller and DC motor?
Firstly an 8051 with the required software to control the motor and secondly a suitable driver circuit. Most of the DC motors have power requirements well out of the reach of a microcontroller and more over the voltage spikes produced while reversing the direction of rotation could easily damage the microcontroller.
Why do we put driver between the microcontroller and the DC motor?
To overcome the problems in their interfacing, a motor Driver IC is connected between microcontroller and DC motor. It takes a low current signal and gives out a high current signal which can drive a motor. It can also control the direction of motor. We can use any dual H-bridge IC like L293D or L298.
Are stepper motors powerful?
The Powerful Ability of Highly Reliable Stepper Motors Stepper motors feature high torque and low vibration at low-speeds, ideal for applications requiring quick positioning in short distance.