/* Sweep
by BARRAGAN <http://barraganstudio.com>
This example code is in the public domain.

modified 8 Nov 2013
by Scott Fitzgerald
http://www.arduino.cc/en/Tutorial/Sweep
*/

#include <Servo.h>

Servo myservo1; // create servo object to control a servo
Servo myservo2;
Servo myservo3;
Servo myservo4;
// twelve servo objects can be created on most boards

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

void setup() {
myservo1.attach(9); // attaches the servo on pin 9 to the servo object
myservo2.attach(10);
myservo3.attach(11);
myservo4.attach(8);
}

void loop() {
for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
// in steps of 1 degree
myservo1.write(pos);
myservo2.write(pos);
myservo3.write(pos);
myservo4.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
myservo1.write(pos);
myservo2.write(pos);
myservo3.write(pos);
myservo4.write(pos);
// tell servo to go to position in variable 'pos'
delay(15); // waits 15ms for the servo to reach the position
}
}