• The return value is unsigned 1-byte wide, the unit is 1, the resolution is 1/16 (0.0625) and the practical range is from 0.0000 to 14.0000. Value 0xFF (i.e. 15.9375) specifies a sensor error.
• FRC 1-byte: FRC return value is the return value +4 (i.e. 0x74 is value 7.0000).