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Arduino ethernet based web server to control instruments over internet

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Hello everyone. i am working on Arduino based server project which let you control or monitor instruments; like machine,motor;over internet. I have written code for Arduino DHCP server which turn on/off LED over internet. it woks in local area. For controlling Arduino outside the world I've done port forwarding in my ADSL modem/Router. now the problem is that i am using DHCP internet from my ISP so i need to check whether my IP is changed or not. I am not from pure networking background so i dnt have much knowledge on it. but from somewhere i've found that i need DNS server and an IP updater program. but i am not cleared what to do? please someone guide me i dont have much time i have to submit this project before 15th october 2012.

Thanks in Advance....image

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    Hey,

    I just did that sort of thing to make a web controlled cat feeder (using arduino and a motor).
    I have a TP-Link router which can login to a dynamic DNS service such as dyndns or no-ip.com.
    you can get free accounts and free domains there and hook them to your external IP using a router or a small software on the PC (they supply it as far as i remember).
    That way you can plug your arduino straight to the router, port forward it and hot the webserver on it + have easy access.men

     

    word of advice, if for some reason you let someone else know your domain name you can simply (but it's not that secured) hide it by using a different port than port 80 (select it in the arduino software and forward that port in the router. than you can get to it like this: http://www.google.com:1234 (if your port number is 1234).!

     

    Good luck!

     

    btw: heres a video of my project http://youtu.be/z7nMl2i_rlw (It's in hebrew but i guess youll understand what it does anyway)

  • 0 in reply to barcesat

    i have dynamic ip so how can i update my ip to dynamicdns website?

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