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  • Can't connect using ethernet

    i have used straight and crossover cable to connect Robotino and PC, but failed.
    anyone can help me ??
    what is the best ethernet ? straight or crossover?

    thank you, sorry for my bad english

  • #2
    If you directly connect PC<>PC you need a crossover cable. To be sure you could connect to it through an ethernet switch which mostly do automatic configuration of the ports so it doesn't matter which cable you use (search for "Auto MDI-X" as feature). But in any case, you need to manually configure the IP adress of your PC to be in the same network as the robotino is (set an IP manually). Did you do that?

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    • #3
      thank you for your reply misken
      yes i did
      1. using straight cable
      ​2. configure my IP same as the robotino
      3. than in RobotinoView i have tried many times to connect
      the results is failed

      thank you, sorry for my bad english

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      • #4
        Did you configure exact the same IP as the Robotino has? That won't work. If the IP adress of the Robotino is e.g. 192.168.10.1 then you need to change the last number to be different (e.g. 192.168.10.2 ). And as I said for direct cable connection you need a crossover cable, not a normal one.

        Just to be sure, the subnet mask needs to be 255.255.255.0 (no change in numbers there).

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        • #5
          Para conseguir se conectar com o Robotino, seu computador/notebook precisa estar na mesma faixa de ip que ele. Por exemplo: Se o ip do robo estiver 172.26.1.X ( ex: 172.26.1.1) no seu computador voce deve colocar 172.26.1.Y (ex: 172.26.1.2); (o "Y" é qualquer número diferente de X).
          Não precisa ser cabo crossover.
          Abrindo o software RobotinoView, verifique se o ip que se encontra no centro superior está igual o mostrado no display do robotino. Se estiver diferente, coloque igual. Se estiver igual, clique no botão de sinal para estabelecer a comunicação.
          Se tiver algum outro problema pode perguntar.

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          • #6
            thank you for your reply misken
            for joao.junho16 thank you, but i don't undestand what are you talking about

            i have tried before, failed
            i just realized, when i connect the cable between robotino to my laptop my LAN always "network cable unplugged".


            thank you, sorry for my bad english
            Attached Files

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            • #7
              If that is true what you said - using a straight cable - this won't work! Never! You need a crossover network cable (search ebay etc. for an example).

              See here: https://en.wikipedia.org/wiki/Ethernet_crossover_cable
              Last edited by misken; 10-12-2015, 11:46 AM.

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              • #8
                thank you for reply misken

                i am using crossover, and its always "Destination Host Unreachable"

                does robotino have not ethernet driver?
                i am using converter ethernet to usb


                thank you, sorry for my bad english

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                • #9
                  Vou escrever em Portugues.
                  Quando o Robotino inicia, no display LCD aparecerá um número de IP (exemplo: 192.168.1.1). Você deve colocar esse mesmo endereço no seu Laptop alterando somente o ultimo digito (exemplo: 192.168.1.2).
                  Para fazer a alteração vá em conexões ativas (Imagem 1.png) --> Clique na conexão com o robotino (Imagem 2.png) --> Vá para propriedades (Imagem 3.jpg) --> TCP/IPv4 (Imagem 4.png) --> faça a alteração no endereço IP (Imagem 5.png).
                  Observação: Eu não estava conectado no Robotino. Mais os passos são os mesmos pra qualquer rede que utiliza IP fixo.
                  Talvez você precise de um cabo crossover como nosso amigo Misken disse.
                  Attached Files

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                  • #10
                    I don't speak portuguese but from what I can decipher and from the images you are showing how to get the IP from the WiFi network of the Robotino. At least at Robotino 3 both interfaces have different IP ranges (WiFi 172.26.1.x, Ethernet 192.168.10.x). So I guess you cannot get the IP by looking at the WiFi settings. But you can login via WiFi and then check the network configuration by typing "ifconfig".
                    Last edited by misken; 10-27-2015, 04:54 PM.

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                    • #11
                      When the Robotino starts, the LCD display shows a number of IP (eg 192.168.1.1). You should put that same address in your Laptop only changing the last digit (eg 192.168.1.2).
                      To make the change go active connections (Picture 1.png) -> Click to connect to Robotino (Picture 2.png) -> Go to properties (Picture 3.jpg) -> TCP / IPv4 (Picture 4 .png) -> make the change in IP address (Picture 5.png).
                      Note: I was not connected to the Robotino. More steps are the same for any network using fixed IP.
                      Maybe you need a crossover cable as our friend Misken said.

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                      • #12
                        You should put your laptop on the same ip range of Robotino regardless of medium (network cable or wifi).
                        If you are communicating with him using the Wifi only change only the last IP number. Do the same if you use the lan network. The change must be made on your laptop of course.
                        Sincerely.

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                        • #13
                          Hi Masue, The best Cable to used its Cruze but the really important its check the configuration on the Robotino in CLIENT MODE. Id you have trouble you may interested in my post http://forum.openrobotino.org/forum/...t-step-by-step. In the document adjunt you see the steps configuration APmode but you need the same steps by using the configuration Client Mode. I hope this information can be usefull for you.

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