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Fig1: +++ enter the AT CMD Mode
7. Select the "Both NL & CR"(①) and 115200 baud(②) in the pull-down menu
8. Type or copy the AT command in the dialog(③) like this and press send button(④)
9. If the BLE is successfully configured , you will receive "OK"(⑤) from it.
Fig1: enter the AT command，remember selecting the Both NL & CR
10. If received "ERROR CMD" instead, try sending it again or you should check whether the
command is correct or not.
11. USE "AT+EXIT" to exit AT Mode
12. You can input AT+HELP=ALL to query all AT Command information
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