User's Manual

Shenzhen hailingke Electronico.,Ltd
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Serail Port Work Mode
When power on,the module will check the config of the network,if it can connect to the internet
it will enter transparent transmission,if not,it will enter at command mode.
The method of change the transparent transmission mode to at command mode:pull down the
voltage of the ES/RST pin more than 0.5s less than 5s,it will enter at command mode.If you pull
down the ES/RST pin more than 6s,the module will back to factrory config.
Send at+TS=1,the module will enter transparent transmission mode.
4.2 At command instruction
At at command mode,you can config the module by at command,the at format like below:
at+[command]=[value]\r, There need ” \r”, otherwise it will be considered wrong at instruction.
According to the different command module will return a different value
For example:”at+UIp=192.168.11.133\r” Set the remote ip address:192.168.11.133。
”at+UIp=?\r” Query the remote ip address 。
at command below:( Instruction is case sensitive)
KeyWord Function
WA Wifi mode,ap/sta
WM Wifista method:manual or smartconfig
Sbssid set target ap bssid
Sssid set target ap ssid
Sssidl set target ap ssid length
Sam set target ap encryption method
Spw set target ap key
Spwl set length of target ap key
WC
calculation PMK
dhcp set dhcp or static
ip static ip
mask Static mask
dns Static DNS
gw Static gateway
Ub Set uart bandrate
Ud Set uart datalength
Up Serial parity bit
Us
Serial stop bit length
UType Set TCP or UDP
UIp Set remote ip address