Servo Motor - Electrical C & V


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02 March 2020

Servo Motor

Introduction of Servo Motor

A Servo Motor is an Electromechanical device that is a modified form of a DC motor such as the speed, torque and velocity. we receive from a DC motor that can provide us with the control we need according to the condition of the servo motor, DOT motor and potentiometer. The combo is where the potentiometer acts as a position sensor, the maximum speed of each servo motor is fixed, but we at Arduino have the Versed Servo manual You can control the speed of the servo motor by using the timer: If one is for the servo motor we are using the microcontroller then from the servo motor we can output the position angle of the servo motor from 360 ° to any Also the torque of DC motor is very low but we get very high torque from servo motor, which is 2 kg, 4 kg, 8 kg etc. If we hack the servo motor or say that the servo motor The servo motor can also give continuous rotation if the rotor is unscrewed and the safe part is removed from the gears.


Servo Motor Part

It consists of a DC motor and a potentiometer, which act as position sensors, gears are used to get high torque from the servo which can be of plastic, fiber, metal with a electrical circuit that senses the DC motor to give value and position the sensor.

Type of Servo Motor

1. Situational Rotation Servo -

This type of servo motor has a rotation up to 0-360 but stops once it takes its position as if we had given the servo 3030 in the Arduino to 30 degrees Servo motor will stop.

2. Continuous Rotation Servo -

In this type of servo, the rotation is continuous as long as we do this, we can hack the servo motor or say to open the servo motor and remove the safe part of its gear, then the servo motor can also give continuous rotation.

3. Linear Rotation Servo -

This is just the name in which the servo can be used by making a system of rack and pinion.

Use of servo motor

We can use servo motor according to its type such as positional rotation servo to make robot arm, to directly control helicopter, in CNC machine etc. and similarly continuous rotation servo also use such space Do it Taking where always requires high TORQUE and continuous rotation such as in making toy tanks and toy cars and using a linear rotation servo according to the same type does it automatically open and close our own doors and windows.

How to control a Servo motor

You can connect small servo motors directly to an Arduino to control the shaft position very precisely. Because servo motors use feedback to determine the position of the shaft, you can control that position very precisely. As a result, servo motors are used to control the position of objects, rotate objects, move legs, arms or hands of robots, move sensors etc. with high precision. Servo motors are small in size, and because they have built-in circuitry to control their movement, they can be connected directly to an Arduino.  
Most servo motors have the following three connections: 
  • Black/Brown ground wire. 
  • Red power wire (around 5V). 
  • Yellow or White PWM wire.


To control the servo motor we can use the Arduino microcontroller board. For the servo motor we can take a maximum voltage of up to 6v. To control the servo motor from the Arduino we need the yellow wire of the servo: pwm pin of the Arduino, brown color wire Connect the to the ground of the Arduino and the red wire to the 5v. 

Induction Motor:- Click Here
DC Motor:- Click Here
Synchronous Motor:- Click Here
Servo Motor:- Click Here

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