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By LennoxConner
#88792 Hi I am realizing a web server using Arduino Mega connected via serial3 to ESP8266. I have set up the server with the command AT+CIPSERVER=1,80. After that I have not used any CIPSTART command. Everything is working.correctly. But if a change port FROM 80 to any other number (i.e 800) after the first CIPSEND the system close the connection. Why? Any suggestion? Thank you.