Microcontrollers access the web

[Kenneth Finnegan] is back with another video showing some cool stuff he’s doing to connect his microcontrollers to the internet. Usually, we see this done with a prebuilt module like an iobridge. [Kenneth] is using a Microchip ENC28j60 module for the communication and he’s managed to stuff it all onto a tiny Electroboards piece.  [Kenneth] is starting to become a regular around here.

[via HackedGadgets]


  1. deathventure says:

    Neat project. The only time I think wire becomes a problem due to EMF is when it gets to lengths above a few inches. May get some interference, but I don’t think it’s enough to wreak havok. Same idea with actual pcb traces.

  2. liam says:

    >The only time I think wire becomes a problem due to EMF is when it gets to lengths above a few inches

    For Ethernet, 11mm is the accepted limit for untwisted cable.

  3. TJ says:

    Too bad the size of an ethernet packet on the wire is about 1m :-)

  4. Andar_b says:


    Grats are in order for someone who can spell “wreak” correctly, but misspell havoc! :) Still, it could have ‘peaked your interest’. lol

  5. mess_maker says:


    deathventure may have a background in 3d or gaming work:


    When I read his sentence that stuck out at me because of my background :) Does that excuse it? Maybe… …maybe not.

  6. GCL says:

    Interesting idea. However Sparkfun sells both the Ethernet style socket,(RJ48) and matching boards.

    But that is a heck of a good idea so far.

  7. GCL says:

    But writing your own stack takes talent!
    (A follow up to my own post.)

  8. loomi says:

    If you need some code for this setup which works on a Arduino AtMega look over here: http://cafe.jeelabs.net/lab/ec1/

    It provides the init of MAC and IP and further delivers simple webpages…

  9. therian says:

    nice but it also possible to do all with single micro-controller, hard thought

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