#include "ServoTimer.h"

ServoTimer servo1(18);
ServoTimer servo2(19);

void setup() {}

void loop() {
  for (int angle = 45; angle < 135; ++angle) {
    servo1.write(angle);
    servo2.write(180 - angle);
    delay(15);
  }
  for (int angle = 135; angle > 45; --angle) {
    servo1.write(angle);
    servo2.write(180 - angle);
    delay(15);
  }
}