void setup() {
  // Pins D5 and D6 - 7.8 kHz
  TCCR0B = 0b00000010; // x8
  TCCR0A = 0b00000011; // fast pwm
  // Pins D3 and D11 - 62.5 kHz
  TCCR2B = 0b00000001; // x1
  TCCR2A = 0b00000011; // fast pwm
  // Pins D9 and D10 - 7.8 kHz 10bit
  TCCR1A = 0b00000011; // 10bit
  TCCR1B = 0b00000001; // x1 phase correct
  analogWrite(3, 15);
  analogWrite(5, 167);
  analogWrite(6, 241);
  analogWrite(9, 745); // yes, range 0-1023
  analogWrite(10, 345); // yes, range 0-1023
  analogWrite(11, 78);
}
void loop() {
}