User Instructions

Query device
version
number
0x27
0x38
Like 0x05 (5),
indicates data
[3] ~data [3 +
5-1]
data[3]pers
ist
data[4]
persist
data[4]
persist
According to the
calculation
Report the
equipment
version
number
0x27|0x80
0x39
As in 0x64
(100), it
indicates that
data [3] ~data
[3 + 100-1]为
json 范围
The json content is something like:
{"version": "FW-20210125-V001"}
According to the
calculation
The data format of the communication is as follows: "Device MAC address" + "Device type" + "Command character" +
"Transtransmission data", in Json format"MAC":"XXXXXXXXXXXX",
"TYPE":"…",
"CMD":"…",
"VALUE":"…………",
}