#define PWM_1 11
#define PWM_2 12

void setup() {
  Serial.begin(115200);
  pinMode(PWM_1, OUTPUT);
  pinMode(PWM_2, OUTPUT);

  TCCR1A = _BV(COM1A1) | _BV(COM1B1) | _BV(WGM11) | _BV(WGM10);
  TCCR1B = _BV(CS22);
  OCR1A = 180;
  OCR1B = 50;
}

void loop() {
}