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By Kevin McAleer, 2 Minutes
In this lesson you will learn how to control a servo using an Arduino.
Before you begin, you’ll need to make sure you have a couple of things before you start this lesson:
New Sketch
/* Sweep by BARRAGAN <http://barraganstudio.com> This example code is in the public domain. modified 8 Nov 2013 by Scott Fitzgerald https://www.arduino.cc/en/Tutorial/LibraryExamples/Sweep */ #include <Servo.h> 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 15 ms 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 15 ms for the servo to reach the position } }
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