docs: def set_position_d(self, dvalue):
          """ Set the D gain of the PID
  
          Args:
              dvalue (int): D value
          """
          dvalue_msb = int(dvalue) >> 8
          dvalue_lsb = int(dvalue) & 0xff
          data = []
          data.append(0x0B)
          data.append(self.servoid)
          data.append(RAM_WRITE_REQ)
          data.append(POSITION_KD_RAM)
          data.append(BYTE2)
          data.append(dvalue_lsb)
          data.append(dvalue_msb)
          send_data(data)