shahid249/esp8266ledonoffarduino.ino

## esp8266ledonoffarduino.ino
    /*Code By SHAHID
    Turn On LED via Web through ESP8266 with Arduino.
    ESP8266 & ARDUINO HTML WEB SERVER.
    */

    #include <SoftwareSerial.h>
    #define DEBUG true
    SoftwareSerial esp8266(2,3); // make RX Arduino line is pin 5, make TX Arduino line is pin 6.
     int LED=12; //LED PIN
     int itsONled[] = {0,0}; // LED STATUS ARRAY eg- ON or OFF at startup. each value represent ech led.

    void setup()
    {
      pinMode(LED, OUTPUT);
      Serial.begin(9600);
      esp8266.begin(115200); // 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 mode
      //sendData("AT+CWSAP=\"AccessPointname\",\"password\",1,4\r\n",1000,DEBUG); //this sets access point name and password //[channel -> 1 to 10] , [securitytype -> 0 – Open / 2 – WPA_PSK /3 – WPA2_PSK / 4 – WPA_WPA2_PSK ]
      sendData("AT+CWMODE=1\r\n",1000,DEBUG); // configure as Wireless Station mode
      sendData("AT+CWJAP=\"SSID\",\"PASSWORD\"\r\n", 6000, DEBUG); //Put Your SSID and password if activate as Station mode else comment down the line
      sendData("AT+CIFSR\r\n",2000,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
  {
    if(esp8266.find("+IPD,"))
    {
     // subtract 48 because the read() function returns
     // the ASCII decimal value and 0 (the first decimal number) starts at 48
     int connectionId = esp8266.read()-48;
     //To read the url sent by the client
     String msg;
     esp8266.find("?");
     delay(100);
     msg = esp8266.readStringUntil(' ');
     String command1 = msg.substring(0);
     // HTML START
     String webpage = "<html><head><title>ESP8266 WEB SWITCH</title>";
     webpage += "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><style>.button {background-color: orange;border: none;color: white;padding: 15px 32px;text-align: center;display: inline-block;font-size: 16px;} .centre {text-align: center;}</style>";
     webpage += "</head><body class=\"centre\"><h1 class=\"centre\">ESP8266 WEB SWITCH</h1>";
     //COMMANDS TO TURN ON or OFF LED RECEIVE BY WEB
                  if (command1 == "T"){//if recieve T from url it will turn on led by checking value in itsONled, if value is 0 it means on, if find 1 it will switch off led.
                    if (itsONled[1] == 1) // if find value 1 it will turn of led
                    {
                      digitalWrite(LED, LOW);
                      itsONled[1] = 0; // set value 0
                      webpage += "<p>LED STATUS OFF</p>";
                    }
                    else
                    {// if find value 0 it will turn on led
                      digitalWrite(LED, HIGH);
                      itsONled[1] = 1;// set value 1
                      webpage += "<p>LED STATUS ON</p>";
                    }
                }
     webpage += "<a class=\"button\" href=\"?T\">TAP</a></body></html>";
     String cipSend = "AT+CIPSEND=";
     cipSend += connectionId;
     cipSend += ",";
     cipSend +=webpage.length();
     cipSend +="\r\n";
     sendData(cipSend,200,DEBUG);
     sendData(webpage,200,DEBUG);
     //BELOW THIS LINE CLOSE THE CONNECTION
     String closeCommand = "AT+CIPCLOSE=";
     closeCommand+=connectionId; // append connection id
     closeCommand+="\r\n";
     sendData(closeCommand,300,DEBUG);
    }
  }

}

//PROGRAM TO SEND COMMAND TO ESP8266
void sendData(String command, const int timeout, boolean debug)
{
    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
        Serial.write(esp8266.read());
      }
    }
}
	/*Code By SHAHID
	Turn On LED via Web through ESP8266 with Arduino.
	ESP8266 & ARDUINO HTML WEB SERVER.
	*/

	#include <SoftwareSerial.h>
	#define DEBUG true
	SoftwareSerial esp8266(2,3); // make RX Arduino line is pin 5, make TX Arduino line is pin 6.
	int LED=12; //LED PIN
	int itsONled[] = {0,0}; // LED STATUS ARRAY eg- ON or OFF at startup. each value represent ech led.

	void setup()
	{
	pinMode(LED, OUTPUT);
	Serial.begin(9600);
	esp8266.begin(115200); // 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 mode
	//sendData("AT+CWSAP=\"AccessPointname\",\"password\",1,4\r\n",1000,DEBUG); //this sets access point name and password //[channel -> 1 to 10] , [securitytype -> 0 – Open / 2 – WPA_PSK /3 – WPA2_PSK / 4 – WPA_WPA2_PSK ]
	sendData("AT+CWMODE=1\r\n",1000,DEBUG); // configure as Wireless Station mode
	sendData("AT+CWJAP=\"SSID\",\"PASSWORD\"\r\n", 6000, DEBUG); //Put Your SSID and password if activate as Station mode else comment down the line
	sendData("AT+CIFSR\r\n",2000,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
	{
	if(esp8266.find("+IPD,"))
	{
	// subtract 48 because the read() function returns
	// the ASCII decimal value and 0 (the first decimal number) starts at 48
	int connectionId = esp8266.read()-48;
	//To read the url sent by the client
	String msg;
	esp8266.find("?");
	delay(100);
	msg = esp8266.readStringUntil(' ');
	String command1 = msg.substring(0);
	// HTML START
	String webpage = "<html><head><title>ESP8266 WEB SWITCH</title>";
	webpage += "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><style>.button {background-color: orange;border: none;color: white;padding: 15px 32px;text-align: center;display: inline-block;font-size: 16px;} .centre {text-align: center;}</style>";
	webpage += "</head><body class=\"centre\"><h1 class=\"centre\">ESP8266 WEB SWITCH</h1>";
	//COMMANDS TO TURN ON or OFF LED RECEIVE BY WEB
	if (command1 == "T"){//if recieve T from url it will turn on led by checking value in itsONled, if value is 0 it means on, if find 1 it will switch off led.
	if (itsONled[1] == 1) // if find value 1 it will turn of led
	{
	digitalWrite(LED, LOW);
	itsONled[1] = 0; // set value 0
	webpage += "<p>LED STATUS OFF</p>";
	}
	else
	{// if find value 0 it will turn on led
	digitalWrite(LED, HIGH);
	itsONled[1] = 1;// set value 1
	webpage += "<p>LED STATUS ON</p>";
	}
	}
	webpage += "<a class=\"button\" href=\"?T\">TAP</a></body></html>";
	String cipSend = "AT+CIPSEND=";
	cipSend += connectionId;
	cipSend += ",";
	cipSend +=webpage.length();
	cipSend +="\r\n";
	sendData(cipSend,200,DEBUG);
	sendData(webpage,200,DEBUG);
	//BELOW THIS LINE CLOSE THE CONNECTION
	String closeCommand = "AT+CIPCLOSE=";
	closeCommand+=connectionId; // append connection id
	closeCommand+="\r\n";
	sendData(closeCommand,300,DEBUG);
	}
	}

	}

	//PROGRAM TO SEND COMMAND TO ESP8266
	void sendData(String command, const int timeout, boolean debug)
	{
	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
	Serial.write(esp8266.read());
	}
	}
	}