Arduino

#include <Servo.h>
Servo myservo;

void setup(){
myservo.attach(7);}

void loop(){
int i;
for (i=0; i<=180; i=i+10){
myservo.write(i);
delay(1000);
}
for (i=180; i>0; i=i-10){
myservo.write(i);
delay(1000);
}
}