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How to communicate to a Arduino behind firewall or router from a website

krrishh

I have developed a arduino application which listens to http connections but I need help in controlling the device through internet like how Blynk does. I have bought a website domain hosting which supports php webpages and python app. If anybosy could point me to a right direction to develop a script which can be hosted to the internet it will be helpful.

P.S : I don't want to use the services like thingspeak or Blynk but i want to develop one like them. Please guide me.

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  • 0 in reply to shabaz

    hi shabaz, thank you for your reply. I know if we configure arduino as client we dont need port forwarding and no nat issues but how to send a data from a PHP website to to arduino. I mean how does the basic web server(PHP or Python) know that the arduino has connected to it and send message appropriately.

     

     

    To put it simple consider System A is a windows application behind NAT router firewall which has a TCP client located at say location A. System B is a Arduino device which needs to be connected through TCP and it is also behind another NAT router firewall located at sat location B. I have a basic cPanel website server(I dono if this is sufficient enough). I want to communicate between system A and System B without configuring any router firewall to port forward the requests. I know we need to make System A a client and System B also as a client and use the server to be a bridge between them. But my question is how to do that in my server.

     

    Thanks,

  • 0 in reply to krrishh

    The Firebase architecture is a pretty good option for this sort of star configuration. You can have websites, mobile apps and arduinos all talking to Firebase, via its database and it will handle the updates and authentication for you.

     

    Considering that you are looking to learn how to develop something similar using php on cpanel web hosting, I would suggest you spend that time learning Firebase as, in my opinion, I found that easier to grasp than Pubnub and have not played with Nabto enough, and is much quicker to get up and running than doing everything from scratch.