ESP8266 Community Forum

- Mon Apr 25, 2016 11:49 am #46171 How will I connect module to the internet and to the Arduino board

[RichardS]

- Mon Apr 25, 2016 11:51 am #46172 If you can not be more specific no one will help you.

It seems what you are asking has been answered, well, 1000X, google is your friend.

RichardS

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- Mon Apr 25, 2016 12:06 pm #46174 ... especially in the wrong sub-forum ...

- Mon Apr 25, 2016 3:18 pm #46194 I already connected the esp8266 through internet. I use this code but still I cant communicate through serial monitor. what will be the possible problem of this. thanks


#include <SoftwareSerial.h>

#define DEBUG true

SoftwareSerial esp8266(10,3); // make RX Arduino line is pin 2, make TX Arduino line is pin 3.
// This means that you need to connect the TX line from the esp to the Arduino's pin 2
// and the RX line from the esp to the Arduino's pin 3
void setup()
{
Serial.begin(9600);
esp8266.begin(9600); // your esp's baud rate might be different



sendData("AT+RST\r\n",2000,DEBUG); // reset module
sendData("AT+CWMODE=2\r\n",1000,DEBUG); // configure as access point
sendData("AT+CIFSR\r\n",1000,DEBUG); // get ip address
sendData("AT+CIPMUX=1\r\n",1000,DEBUG); // configure for multiple connections
sendData("AT+CIPSERVER=1,80\r\n",1000,DEBUG); // turn on server on port 80
}

void loop()
{
if(esp8266.available()) // check if the esp is sending a message
{
/*
while(esp8266.available())
{
// The esp has data so display its output to the serial window
char c = esp8266.read(); // read the next character.
Serial.write(c);
} */

if(esp8266.find("+IPD,"))
{
delay(1000);

int connectionId = esp8266.read()-48; // subtract 48 because the read() function returns
// the ASCII decimal value and 0 (the first decimal number) starts at 48

String webpage = "<h1>Hello</h1>&lth2>World!</h2><button>LED1</button>";

String cipSend = "AT+CIPSEND=";
cipSend += connectionId;
cipSend += ",";
cipSend +=webpage.length();
cipSend +="\r\n";

sendData(cipSend,1000,DEBUG);
sendData(webpage,1000,DEBUG);

webpage="<button>LED2</button>";

cipSend = "AT+CIPSEND=";
cipSend += connectionId;
cipSend += ",";
cipSend +=webpage.length();
cipSend +="\r\n";

sendData(cipSend,1000,DEBUG);
sendData(webpage,1000,DEBUG);

String closeCommand = "AT+CIPCLOSE=";
closeCommand+=connectionId; // append connection id
closeCommand+="\r\n";

sendData(closeCommand,3000,DEBUG);
}
}
}


String sendData(String command, const int timeout, boolean debug)
{
String response = "";

esp8266.print(command); // send the read character to the esp8266

long int time = millis();

while( (time+timeout) > millis())
{
while(esp8266.available())
{

// The esp has data so display its output to the serial window
char c = esp8266.read(); // read the next character.
response+=c;
}
}

if(debug)
{
Serial.print(response);
}

return response;
}