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2.3.
Control Service (Service UUID: 0x3030)
Read and Write device control parameters.
Characteristics
UUID
0x3031
0x3032
0x3033
0x3034
2.3.1 Time information (Characteristics UUID: 0x3031)
Set UNIX TIME from the Central device for time adjustment of the recording data in the flash
memory.
Time information based on this setting is recorded for each page of the flash memory.
* Note: Memory recording of measured data is not started unless time set to this Characteristic.
Byte
0
1
UNIX TIME
2
3
2.3.2 LED on duration (Characteristics UUID: 0x3032)
With this setting, embedded LED lights for the specified time period.
It can be used for identifying the sensor which is currently connected, such as when there are a
plurality of sensors.
Byte
0
LED on duration
2JCIE-BL01-P1 Environment Sensor (PCB Type) User's Manual (A280)
Table 25. List of Characteristics in Control Service
Characteristics
Time information
LED on duration
Error status
Trigger
Table 26. Time information format
Field
Format
0
1
UInt32
2
3
Table 27. LED on duration format
Field
Properties
R
W
N
I
✔
✔
✔
✔
✔
✔
Unit：1 sec
Range：1970/1/1 0:00:01～2106/2/7 6:28:15
Format
Unit：1 sec
UInt8
Range：1～10 sec
Byte
4
1
4
2
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