User Manual

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Espressif Systems

ESP8266

AT Command Examples

5. Multiple Connection as TCP Server

When ESP8266 is working as a TCP server, a multiple of connections shall be maintained. That is to

say, there should be more than one client connecting to ESP8266.

Here is an example showing how TCP server is realized when ESP8266 is working in softAP mode:

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Set WiFi mode :

AT+CWMODE=3 // softAP+station mode

Response :OK

•

Enable multIPle connection:

AT+CIPMUX=1

Response :OK

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Setup server:

AT+CIPSERVER=1 // default port = 333

Response :OK

•

Connect PC to ESP8266 soft-AP

•

Using a network tool on PC to create a TCP client and connect to ESP8266.

Espressif Systems Conﬁdential  / Friday, Oct 23, 201514 16