What are the components required for servo motor interfacing with Arduino?

What are the components required for servo motor interfacing with Arduino?


  • Servo Motor consists of three pins: VCC, GROUND, and PWM signal pin.
  • The VCC and GND is for providing power supply, the PWM input pin is used for controlling the position of the shaft by varying pulse width.
  • Minimum Rotational Angle : 0 degrees.
  • Maximum Rotational Angle : 180 degrees.

How does a servo motor work with PWM?

Servos are controlled by sending an electrical pulse of variable width, or pulse width modulation (PWM), through the control wire. There is a minimum pulse, a maximum pulse, and a repetition rate. A servo motor can usually only turn 90° in either direction for a total of 180° movement.

What is AVR interface?

The AVR is a modified Harvard architecture machine, where program and data are stored in separate physical memory systems that appear in different address spaces, but having the ability to read data items from program memory using special instructions.

How do you use AVR LCD?

For interfacing LCD with AVR, an 8 bit data bus is required. In addition we require 2 bit control bus for write mode or 3 bit control bus for write plus read mode. Connect the pin 1 of the LCD module to ground, pin 2 to +ive supply. Connect the potentiometer (2 to 5 k Ohm) across the ground and supply.

How do you make a servo motor circuit?

Circuit. Servo motors have three wires: power, ground, and signal. The power wire is typically red, and should be connected to the 5V pin on the Arduino board. The ground wire is typically black or brown and should be connected to a ground pin on the board.

What things are needed to assemble a servo motor?

A servo motor has everything built in: a motor, a feedback circuit, and most important, a motor driver. It just needs one power line, one ground, and one control pin.

How do you control a servo motor with PIC16F877A?

To control the working of a servo motor when interfaced with PIC16F877A microcontroller. It has a very simple circuit diagram. The control wire of the servo motor is directly connected to the RB0 pin of the microcontroller. This pin will provide the required angular displacement of the motor.