User Manual
第
12
页 共
30
HLK-B35
3.1.3.
AT help instruction：at+help
Type
Grammar
Return and description
Execute
instructions
at+help
at+help
# at+help -- This text
# ate=<1/0> -- echo on/off
# at+ver=<?> -- version info
......
OK
Note: List all current AT commands and parameter
prompts
3.1.4.
Switch echo：at+ate
Type
Grammar
Return and description
Set
instruction
at+ate=1
at+ate=1
OK
Note: The echo function is successfully turned on.
After that, each reply command will first reply to the
sent command, and then reply the related
parameters and execution result of the command
When this parameter is set to 0:
Module directly responds to the relevant data of the
command
The module has the echo function turned on by
default
3.1.5.
Baud rate setting：at+uart
Type
Grammar
Return and description
Set
instruction
at+uart=115200,8,n,1
at+uart=115200,8,n,1
Ok
Note: The parameters are baud rate, data bit,
validation, stop bit
Note: The test board baud rate supports up to
921600
‘Add’ means even test, ‘even’: odd test, and’n’ means
invalid test
‘1.5’ is 1.5 stop bits, ‘2’ is 2 stop bits, and ‘1’ is 1 stop
bit
