Read single ADC Channel

def get(self, channel):
        """Read single ADC 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