SENSECAP S2120 - Data Parsing Example; Measurement Data Packets

IoT into the Wild
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10.3 Data Parsing Example
10.3.1 Measurement data packets
Measurements list:
Measurements
Resolution
Unit
Air Temperature
0.1
℃
Air Humidity
1
%RH
Light Intensity
1
Lux
UV Index
0.1
(None)
Wind Speed
0.1
m/s
Wind Direction
0.1
°
Rainfall Hourly
0.001
mm/hour
Barometric Pressure
1
Pa
The raw payload: 010115410000005E000000020156000000FE2703
01 0115 41 0000005E 05 0011 02 0156 000000FE 2703
Part
Value
Raw Data
Description
1
Frame ID 01
01
01 is the frame ID.
2
Air Temperature
0115
0115 is actually 0x0115 (signed number),
whose equivalent decimal value is 277. Divide
it by 10, and you will get the actual value for
air Temperature as 27.7 ℃.
3
Air Humidity
41
41 is actually 0x41(unsigned number),
whose equivalent decimal value is 65. You
will get the actual value for air humidity as
65％RH.
4
Light Intensity
0000005E
0000005E is actually 0x5E(unsigned
number), whose equivalent decimal value is
94. You will get the actual value for light
intensity as 94 Lux.