code: public static byte[] servoConfig(byte pinId, int minPulse, int maxPulse) {
          return new byte[]{
              START_SYSEX,
              SERVO_CONFIG,
              pinId, (byte) (minPulse & 0x7F),
              (byte) ((minPulse >>> 7) & 0x7F),
              (byte) (maxPulse & 0x7F),
              (byte) ((maxPulse >>> 7) & 0x7F)
          };
      }
docs: Builds servo configuration message.<br/>
  The core idea is to just add a "config" message, then use
  {@link #setMode(byte, org.firmata4j.Pin.Mode)} to attach/detach Servo
  support to a pin. Then the normal {@link #setAnalogPinValue(byte, long)}
  is used to send data.
  
  @param pinId
  @param minPulse
  @param maxPulse
  @return