#include <Servo.h>

Servo servo1;
Servo servo2;

int pos = 0;


void setup() {
  servo1.attach(10);
  servo2.attach(11);

}

void loop() {
  for (pos = 0; pos <= 100; pos += 1) {
  servo1.write(pos);
  servo2.write(pos);
  delay(15);
}

for (pos = 100; pos >= 0; pos -= 1) {
  servo1.write(pos);
  servo2.write(pos);
  delay(15);
}
}