I try to connect the esp8266 to the google server. So I send a get request but no response.
AT+CIPMUX=1
OK
AT+CIPSTART=4,"TCP","google.com",80
4,CONNECT
OK
AT+CIPSEND=4,5
> GET / HTTP/1.0busy s...
SEND OK
Why the Get Request's busy? and why've no response?