code: def get(self, channel):
          
          checked_channel = self._check_channel_no(channel)
          self.i2c.write_raw8(checked_channel  | self._dac_enabled)
          reading = self.i2c.read_raw8() 
          reading = self.i2c.read_raw8() 
          return reading / 255.0
docs: Read single ADC Channel