User Guide

IoT into the Wild

9.3.2 Example – S2101 Air Temperature and Humidity Sensor

Air Temperature and Humidity Sensor measurement packet:

01 0110 B0680000 01 0210 88F40000 8CFF

Part

Value

Raw Data

Description

Air

Temperature

01 0110 B0680000

01 is the channel number.

0110 is 0x1001（little-endian byte order）,

which is the measurement ID for air

temperature.

B0680000 is actually 0x000068B0, whose

equivalent decimal value is 26800. Divide it by

1000, and you will get the actual

measurement value for air temperature as

26.8℃.

Air Humidity

01 0210 88F40000

01 is the channel number.

0210 is 0x1002 (little-endian byte order),

which is the measurement ID for air humidity.

88F40000 is actually 0x0000F488, whose

equivalent decimal value is 62600. Divide it by

1000, and you will get the actual value for air

humidity as 62.6％RH.

CRC

8CFF

The CRC verification part.