Milesight WS202 - Basic Information; Sensor Data

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For decoder examples, you can find them at https://github.com/Milesight-IoT/SensorDecoders.
5.1 Basic Information
WS202 reports basic information of the device whenever it joins the network.
Channel
Type
Description
ff
01(Protocol Version)
01=> V1
08 (Device SN)
12 digits
09 (Hardware Version)
01 40 => V1.4
0a (Software Version)
01 14 => V1.14
0b (Power On)
Device is on
0f (Device Type)
00: Class A, 01: Class B, 02: Class C
Example:
ff0bff ff0101 ff086538b2232131 ff090100 ff0a0101 ff0f00
Channel
Type
Value
Channel
Type
Value
ff
0b
(Power On)
ff (Reserved)
ff
01
(Protocol Version)
01 (V1)
Channel
Type
Value
Channel
Type
Value
ff
08(Device
SN)
6538b22321
31
ff
09
(Hardware version)
0100
(V1.0)
Channel
Type
Value
Channel
Type
Value
ff
0a
(Software
version)
0101
(V1.1)
ff
0f
(Device Type)
00
(Class A)
5.2 Sensor Data
WS202 reports sensor data and battery level according to reporting interval (30 mins by default)
or when PIR/light status changes. Besides, when battery level is lower than 10%, it will upload
battery packet once.
Channel
Type
Description
01
75 (Battery Level)
UINT8, Unit: %
03
00 (PIR Status)
01: Occupied
00: Vacant
04
00 (Light Status)
01: Bright
00: Dark
Example:
01 75 64 03 00 01 04 00 01