Chengdu Ebyte Electronic Technology Co.,Ltd
E840-TTL-4G02E User Manual
Copyright ©2012–2019,
Chengdu Ebyte Electronic Technology Co.,Ltd
19
Transmit
:
AT+REBT<CR>
return
:
<CR><LF>+OK<CR><LF>
Parameter
:
None
Description
:
After the command is executed correctly, the module restarts immediately and enters the transparent
transmission mode after restarting.
AT+VER
Function
:
inquire firmware version
Format
:
configure
transmit AT+VER<CR><LF>
return <CR><LF>+OK=<ver><CR><LF>
Parameter
:
ver firmware version
Description
:
None
AT+INFO
Function
:
Inquire module type and version info.
Format
:
configure
transmit AT+INFO<CR><LF>
return <CR><LF>+OK=<mod_name>,<hw_ver>,<sw_ver><CR><LF>
Parameter
:
mod_name module name
hw_ver
hardware version
sw_ver
software version
Description
:
None
AT+EXAT
Function
:
exit command mode
,
enter transparent transmission mode
Format
:
configure
transmit AT+EXAT<CR><LF>
return <CR><LF>+OK<CR><LF>
Parameter
:
None
Description: After the command is executed correctly, the module is switched from command mode to the transparent
transmission mode.
AT+RESTORE
Function
:
restore factory configuration
Format
:
configure
transmit AT+RESTORE<CR><LF>
return <CR><LF>+OK<CR><LF>
Parameter
:
None
Description
:
None
AT+UART
Function
:
set/inquire UART parameters
Format
:
inquire
transmit
:
AT+UART<CR>
return
:
<CR><LF>+OK=<baudrate>,< parity ><CR><LF>
configure
transmit
:
AT+UART=<baudrate>,< parity ><CR><LF>
return
:
<CR><LF>+OK<CR><LF>