#include <Servo.h>

servo servokeren
int pos =0;

void setup(){
  servokeren.attach(10);
}

void loop(){
  for (pos =0; <=180; pos +=1){
      servokeren.write(pos);
    delay(15);

    for (pos =180; pos >=0; pos -=1){
      servokeren.write(pos);
      delay(15);


    }

  }

}