Data Sheet
, that means the port COM is connected 
to  the  port  NO.  Click  the  button  OFF,  the  relay  will  close,  that  means the  port  COM  is 
77
Next, click button ON, the relay will be switched on
connected to the port NC. The status of the relay will also be shown in the serial monitor.
COM11(Arduino/Genuino Mega or Mega 2560)
AT+RS T
Module is ready
reboot wifi is OK
API P :”192.168.4.1”
STA I P:”192.168.2.200”
Server is set up
Connected
Send O K
COM11(Arduino/Genuino Mega or Mega 2560)
AT+RS T
Module is ready
reboot wifi is OK
API P :”192.168.4.1”
STA I P:”192.168.2.200”
Server is set up
Connected
Send O K
CHO ON
Send O K
CHO OFF
Send O K










