Activity Forums Questions & Troubleshooting MAC Address of Controllino

  • MAC Address of Controllino

     Bri-Guy updated 10 months ago 4 Members · 5 Posts
  • tomas.kracmar

    Member
    September 29, 2021 at 11:13 am

    Hi Controllino fans, where can I find MAC address of my Controllino?

    Thank you for response.

  • Lukas

    Member
    September 30, 2021 at 8:59 am

    Hi Tomas,

    WIZnet chipset W5100 has no fixed, or assigned MAC address, so the CONTROLLINO is sold without a MAC address.

    Until the CONTROLLINO is not online and operated just in the LAN, it is not necessary to have a unique MAC address.

    If you really need a unique MAC address for your CONTROLLINO, please contact us at info@controllino.com.

    Thanks,

    Lukas

    • w-mets

      Member
      January 28, 2022 at 3:32 pm

      Hi Lukas,

      I am facing some troubles in running DhcpAdressPrinter, I constantly get back “Ethernet shield was not found. Sorry, can’t run without hardware. :(“


      Ethernet seems to be correctly connected in IPv4. As I reccon, I don’t have to fill in any MAC adress in the code, and I am using “Ethernet.init(10);”


      Could you help me solve this?


      Best regards,


      Wouter Mets

  • Bri-Guy

    Member
    February 2, 2022 at 12:31 am

    Lukas,

    I am ALSO having the identical problem that w-mets has described above ==> I run the DHCPAddressPrinter verbatim as you described in the Tutorial and I get the same replay w-mets did: “Ethernet shield was not found. Sorry can’t run without hardware.”

    However, I did NOT uncomment ANY of the “Ethernet.init(?)” lines at all.

    respectfully,

    Bri-Guy

  • Bri-Guy

    Member
    February 2, 2022 at 10:02 pm

    Never mind Lukas I think I figured it out.

    The DhcpAddressPrinter sketch requires that the Controllino have an physical ethernet cable connection to a router or a device that has a DHCP server that can SUPPLY an IP address to the Controllino and then you can see what address is assigned by the router to the Controllino in the Serial Monitor.

    I hope this helps you w-mat in figuring out why the program was giving you that message.

    Bri-Guy

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