Chengdu Ebyte Electronic Technology Co.,Ltd
E840-TTL-4G02E User Manual
Copyright ©2012–2019,
Chengdu Ebyte Electronic Technology Co.,Ltd
24
return
:
<CR><LF>+OK=<type>,<data><CR><LF>
configure
transmit
:
AT+ HEARTINFO=<type>,<data><CR>
return
:
<CR><LF>+OK<CR><LF>
parameter
:
type
0 Heartbeat package type is HEX
1 Heartbeat type is ASCII code
data
ASCII code within 40 bytes, when the heartbeat packet type is HEX, the content must be a legal HEX format
and the length must be an even number.
AT+HEARTM
Function
:
configure/inquire heartbeat package time
Format
:
inquire
transmit
:
AT+ HEARTM <CR>
return
:
<CR><LF>+OK=<time><CR><LF>
configure
transmit
:
AT+ HEARTM =<time><CR>
return
:
<CR><LF>+OK<CR><LF>
Parameters: time heartbeat time, 0 off, range 1 to 65535 seconds.
AT+SHORTM
Function
:
set/inquire short connection time
Format
:
inquire
transmit
:
AT+ SHORTM<CR>
return
:
<CR><LF>+OK=<time><CR><LF>
configure
transmit
:
AT+ SHORTM=<time><CR>
return
:
<CR><LF>+OK<CR><LF>
Parameter
:
time short connection time
,
0 off
,
from 2-255 second
AT+EBTIOT
Function
:
set /inquire EBYTE IoT Cloud platform
Format
:
inquire
transmit
:
AT+EBTIOT <CR>
return
:
<CR><LF>+OK=<ctrl><CR><LF>
configure
transmit
:
AT+EBTIOT =<ctrl><CR>
return
:
<CR><LF>+OK<CR><LF>
Parameter
:
ctrl EBYTE IoT function switch
,
0 off/1 on
Note: After the IoT cloud function is enabled, the module is automatically connected to the Yiyi special IoT platform,
ignoring the sock configuration, registration package, and heartbeat package function.
AT+CSQ
Function
:
inquire signal strength
Format
:
configure
transmit AT+CSQ<CR><LF>
return <CR><LF>+OK=<csq><CR><LF>