Controlling a servo position using Arduino

Project Video
Project Details

This video shows you how to use servo in Arduino. You will see how the position of servo is controlled using potentiometer. Then it shows you how to move the servo from 0 to 180 degree and back to zero.

Project Code


 /*
//Original source: Arduino IDE
// Arduino Project: Controlling the servo position
// This code is used with a video tutorial for Robojax.com
// Published on April 24, 2017 from Aajx, ON, Canada.
// Written/Edited by Ahmad Shamshiri
// Watch the video on youTube https://youtu.be/kZ9b31gVemc
// Controlling a servo position using a potentiometer (variable resistor)
//
*/



#include 

Servo myservo;  // create servo object to control a servo
// twelve servo objects can be created on most boards

int pos = 0;    // variable to store the servo position

void setup() {
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
}

void loop() {
  for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
    // in steps of 1 degree
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);                       // waits 15ms for the servo to reach the position
  }
  for (pos = 180; pos >= 0; pos -= 1) { // goes from 180 degrees to 0 degrees
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);                       // waits 15ms for the servo to reach the position
  }
}

Required File(s)

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