User Manual
Continued
Frame Flag[7]:
Data Read &
Write Property
Frame Flag[6:0]:
Data Number
Data
[15:0]:
Data
Value
Description
0 (Read)
1 (Write)
5 (Rainfall status output
frequency or
enable/disable)
0~9
Rainfall status output frequency, the
default is 1, representing 50ms; it can be
changed. Increasing or reducing 1
represents an increase or decrease of
50ms (output is disabled when it's 0)
6 (No-rain/light-rain
threshold V1)
0~65535 No-rain/light-rain threshold V1
7 (Light-rain/moderate-
rain threshold V2)
0~65535 Light-rain/moderate-rain threshold V2
8 (Moderate-rain/heavy-
rain threshold V3)
0~65535 Moderate-rain/heavy-rain threshold V3
9 (No-rain/light-rain
threshold S1)
0~65535 No-rain/light-rain threshold S1
10 (Light-rain/moderate-
rain threshold S2)
0~65535 Light-rain/moderate-rain threshold S2
11 (Moderate-
rain/heavy-rain threshold
S3)
0~65535 Moderate-rain/heavy-rain threshold S3
12 (Threshold of the number
of times determined to be
heavy rain in 10
measurements N1)
1~10
Threshold of the number of times
determined to be heavy rain in 10
measurements N1
13 (Threshold of the number
of times determined to be
moderate rain in 10
measurements N2)
1~10
Threshold of the number of times
determined to be moderate rain in 10
measurements N2
14 (Threshold of the number
of times determined to be
light rain in 10
measurements N3)
1~10
Threshold of the number of times
determined to be light rain in 10
measurements N3
15 (Ambient light
detection mode)
0
Exit ambient light detection mode
1
Enter ambient light detection mode
16 (Host reads module
temperature)
0
Host reads module temperature once
17 (Module optical sleep
0
Exit sleep mode and enter rainfall detection
1
Enter sleep mode
