ESP8266 With Arduino

esp8266_arduino.ino

#define baud 115200
#define RX 10
#define TX 11

#include <SoftwareSerial.h>

String inputString = "";
bool stringComplete = false;

SoftwareSerial wifi(RX, TX);

void setup() {
  Serial.begin(baud);
  wifi.begin(baud);
  wifi.setTimeout(1000);
  // put your setup code here, to run once:
  while(!wifi);

  Serial.println("ESP8266 Demo on Mega2560");

  while(wifi.available() > 0){
    Serial.println(wifi.read());
  }

  
  wifi.println("AT\r");
  Serial.println(wifi.readStringUntil('\n'));
//
  delay(1000);

  //Set Static IP of the Wifi module 
  wifi.println("AT+CIPSTA=\"192.168.101.2\",\"192.168.101.1\",\"255.255.255.0\"\r");

  delay(1000);
  
  // Connect to a wifi hotspot, set the ssid and password according to your pc
  wifi.println("AT+CWJAP=\"PC-Faster\",\"654321987\"\r");
  
  delay(10000);
}

void loop() {
  wifi.print("AT\r\n");
  // put your main code here, to run repeatedly:
  Serial.println(wifi.readString());

  delay(100);
  
  //This will establish a TCP [Transmission Control Protocol] with http://webwork.manash.me website
  wifi.print("AT+CIPSTART=\"TCP\",\"webwork.manash.me\",80\r\n");

  Serial.println(wifi.readString());

  delay(1000);

  wifi.print("AT+CIPSEND=77\r\n");

  delay(1000);
  
  //This will send a GET Request to the url with some parameters
  wifi.print("GET /esp8266.php?apples=400&oranges=22 HTTP/1.1\r\nHost: webwork.manash.me\r\n\r\n\n");

  delay(1000);

  Serial.println("SENDING DONE");
  
  // Read back response
  if (stringComplete){
    Serial.println(inputString);
    inputString = "";
    stringComplete = false;
  }
  
}