step 1: connect module as the following picture

step 2 : Programe the seeeduino board.

1. Open Arduino IDE and create a new sketch
2. Parse the following code into the sketch editor (need modifying the SSID and PASS macros into your own situation);

#include <SoftwareSerial.h>
#define SSID        "xxxxxxxx"
#define PASS        "xxxxxxxx"
#define DST_IP      "220.181.111.85"//baidu.com
SoftwareSerial dbgSerial(10, 11); // RX, TX
void setup()
{
// Open serial communications and wait for port to open:
Serial.begin(57600);
Serial.setTimeout(5000);
  dbgSerial.begin(9600);//can't be faster than 19200 for softserial
  dbgSerial.println("ESP8266 Demo");
//test if the module is ready
Serial.println("AT+RST");
  delay(1000);
if(Serial.find("ready"))
{
    dbgSerial.println("Module is ready");
}
else
{
    dbgSerial.println("Module have no response.");
while(1);
}
  delay(1000);
//connect to the wifi
boolean connected=false;
for(int i=0;i<5;i++)
{
if(connectWiFi())
{
      connected = true;
break;
}
}
if (!connected){while(1);}
  delay(5000);
//print the ip addr
/*Serial.println("AT+CIFSR");
  dbgSerial.println("ip address:");
  while (Serial.available())
    dbgSerial.write(Serial.read());*/
//set the single connection mode
Serial.println("AT+CIPMUX=0");
}
void loop() 
{
String cmd = "AT+CIPSTART=\"TCP\",\"";
  cmd += DST_IP;
  cmd += "\",80";
Serial.println(cmd);
  dbgSerial.println(cmd);
if(Serial.find("Error")) return;
  cmd = "GET / HTTP/1.0\r\n\r\n";
Serial.print("AT+CIPSEND=");
Serial.println(cmd.length());
if(Serial.find(">"))
{
    dbgSerial.print(">");
}else
{
Serial.println("AT+CIPCLOSE");
    dbgSerial.println("connect timeout");
    delay(1000);
return;
}
Serial.print(cmd);
  delay(2000);
//Serial.find("+IPD");
while (Serial.available())
{
char c = Serial.read();
    dbgSerial.write(c);
if(c=='\r') dbgSerial.print('\n');
}
  dbgSerial.println("====");
  delay(1000);
}
boolean connectWiFi()
{
Serial.println("AT+CWMODE=1");
String cmd="AT+CWJAP=\"";
  cmd+=SSID;
  cmd+="\",\"";
  cmd+=PASS;
  cmd+="\"";
  dbgSerial.println(cmd);
Serial.println(cmd);
  delay(2000);
if(Serial.find("OK"))
{
    dbgSerial.println("OK, Connected to WiFi.");
return true;
}else
{
    dbgSerial.println("Can not connect to the WiFi.");
return false;
}

step 3 : Open Serial Monitor

Open Serial Monitor and press the reset button of seeeduino board, you’ll see the output.

At last, Happy Hacking! :)