Specifications

HM-BT4502 V1.0
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"38400"，"57600"，"115200".
Set the corresponding baud
rate.
AFTER 2S ...\r\n\0
TTM:ERP\r\n\0
OK, the new
baud rate will be
used after two
seconds.
Setting is Error.
TTM: MAC-?
－
Get the MAC address.
TTM:MAC-xxxxxxxx
xxxx，
"xxxxxxxxxxxx" is
the module MAC
address.
Return the MAC
address.
TTM:MAC-X
Yes
X is a 12-bit MAC character,
such as 123456789ABC.
TTM:OK\r\n\0
TTM:ERP\r\n\0
Setting is OK.
Setting is Error.
TTM:RST-SYST
EMRESET
－
Reset the module system
None
Reset the
module
TTM:ADP-(X)
Yes
X ="2","5","10","15","20",
“25”, "30","40","50". Set the
corresponding
advertisement period, T = X*
100ms
TTM:OK\r\n\0
TTM:ERP\r\n\0
Set the
advertisement
period. If the
setting is "5", it is
500ms.
TTM:ADD-+ Data
Yes
Data is the custom
advertisement data with
TTM:OK\r\n\0
TTM:ERP\r\n\0
Set the custom
advertisement