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Author Topic: possible networking problem with wifi shield and home network  (Read 200 times)
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Hi!  I just started using my wifi shield wity my uno, and I ran into a problem that I don't understand. I loaded up the "simple web server" and ran it. Watching the terminal, I could see that the wifi shield connected to my network, and was assigned an ip address. Now, I was supposed to be able to type that ip into my browser to see the simple web page. When I typed in the ip, I got an error " page not available"
 I tried connecting with multiple devices and multiple browsers. No luck.
Any ideas? My wifi router is a wrt-54g2 router, running the stock firmware. Is there a setting I should change on it?
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I have got the exact same problem. The WiFi shield connects to my WPA2 protected network, gets an IP address which I can ping but if I do a port scan there are no open ports (using the SimpleWebServerWiFi example sketch).
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Have you upgraded the firmware? Here is a test sketch to determine the firmware version. If it reports 1.0.0, it needs to be upgraded. If it reports 1.1.0, it is current.
Code:
#include <WiFi.h>
#include <SPI.h>

void setup() {
  Serial.begin(9600);

  // disable SD SPI
  pinMode(4,OUTPUT);
  digitalWrite(4,HIGH);

  // check for the presence of the shield:
  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("WiFi shield not present");
    // don't continue:
    while(true);
  }

  // check firmware version
  Serial.print(F("Firmware version: "));
  Serial.println(WiFi.firmwareVersion());.
}

void loop() {
}

Here is a link to the official instructions for upgrading, but you may be better off searching to forum for better ways.
http://arduino.cc/en/Hacking/WiFiShieldFirmwareUpgrading
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