Constructional Motor Control Projects

Introduction To Motor Control

There are many types of motors that are in used these days. The common ones are DC types, AC types, stepper motors andbrushless DC motors.

In the electronics hobbyiest projects, most designer will likely to encounter the use of stepper motor as this is themost widely used in many applications. There are basically 2 types of stepper motor namely unipolar type and bipolar type.

Bipolar motors have two coils and are controlled by changing the direction of the current flow through the coils in the proper sequence. These motors have only four wires.

Unipolar motors have two center-tapped coils which are treated as four coils. These motors can have five, six or eight wires. Unipolar motors may be connect as bipolar ones by not using the ‘+’ wires.

There are also servo motors which are frequently used in remote control aeroplanes, remote control toys and in automation processes. They are controlled using pulse coded modulation.

Motor Control Constructional Projects

Some constructional projects:

Unipolar Stepper Motor Control Project
Stepper motors are used in many applications in our daily life. This project is a stepper motor driver for 5, 6 & 8 lead unipolar stepper motors.

Simple DC Motor Driver Circuit
This simple DC motor driver circuit uses a 741 operational amplifier to control the speed and direction of a small motor.

DC Servo Motor Driver Project
DC servo motors are used in radio controlled airplanes, radio controlled cars and robotics. This project introduces the applications of DC servo motors.

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