liudr-Have you noticed that the MAC address that is printed on the sticker attached to your wifi shield does not match the actual MAC? When I look at the MAC on the router it is totally different than the sticker.
This may show the limits of open sourced products. Unlike a commercial product nobody is responsible if an arduino product does not function. So they can continue to sell these wifi boat anchors for $90 without risk of market or legal forces.
Running life test on three shields. One runs for about 10 days before crashing. Another makes 3 days usually. The third has never made it more than 36 hours. All tests were done in server mode.
I bought two of them and I will sale them. But I think it is not fair to resale my Shield to a other person with the knowing about all this limitations and my own bad experience.
Running the wifi client is not too bad but this is no industrial solution I bet raspberry pi can handle longer stretch of time since it runs a full OS. If anything goes wrong, the OS would attempt to restart service, right?
//HTTP RequestGET /index.htm HTTP/1.1Host: 220.127.116.11Connection: keep-aliveAccept: text/html//HTTP ResponseHTTP/1.1 200 OKContent-Type: text/html<HTML>// etc...<HTML>
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via Egeo 16