Chengdu ebyte electronic Technology Co.,Ltd.
E840-TTL-GPRS03 User Manual
Copyright ©2012–2017
,
Chengdu ebyte electronic Technology Co.,Ltd.
14
Set
TX
:
AT+ HEARTINFO=<type>,<data><CR>
Return
:
<CR><LF>+OK<CR><LF>
Parameter
:
type
0
HEX
1
ASCII
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
:
Set/Query short heartbeat time
Format
:
Query
TX
:
AT+ HEARTM <CR>
return
:
<CR><LF>+OK=<time><CR><LF>
Set
TX
:
AT+ HEARTM =<time><CR>
return
:
<CR><LF>+OK<CR><LF>
parameter
:
time heartbeat time
,
0 off
,
1
~
65535 seconds
AT+SHORTM
Function
:
Set/Query short connection time
Format
:
Query
TX
:
AT+ SHORTM<CR>
return
:
<CR><LF>+OK=<time><CR><LF>
Set
TX
:
AT+ SHORTM=<time><CR>
return
:
<CR><LF>+OK<CR><LF>
parameter
:
time short connection time
,
0 off
,
2-255 seconds
AT+EBTIOT
Function
:
Set/query the ebyte IoT platform.
Format
:
Query
TX
:
AT+EBTIOT <CR>
return
:
<CR><LF>+OK=<ctrl><CR><LF>
Set
TX
:
AT+EBTIOT =<ctrl><CR>
return
:
<CR><LF>+OK<CR><LF>
Parameter: ctrl
IoT Function Switch, 0 off / 1 on.
Note:
After the Internet of Things cloud function is turned on, the module is automatically connected to
the Ebyte IoT platform, ignoring the sock configuration, registration package, and heartbeat package
Function.
AT+CSQ
Function
:
Query signal strength
Format
:
Query
TX AT+CSQ<CR><LF>
return <CR><LF>+OK=<csq><CR><LF>
parameter
:
csq signal strength
Description
:
None