Lego Mindstorm EV wifi connection in R2014a in Ubuntu 14.04

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Lode 2014-11-27

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https://ww2.mathworks.cn/matlabcentral/answers/164579-lego-mindstorm-ev-wifi-connection-in-r2014a-in-ubuntu-14-04

评论： Lode 2014-12-10

Dear,

I can not connect Lego Mindstorm EV in R2014a in Ubuntu 14.04. The only connection option in R2014a is a network cable or Wifi. Ping in a terminal to the EV3 works fine over Wifi, so network should be OK.

"h = legoev3('192.168.0.135')" gives an error message :

"Error using legoev3 (line 89) Failed to connect to '192.168.0.135'. Please check your network settings."

I checked on the internet and I found R2014b has a dfferent syntax and possibility for Bluetooth and USB cable as well, but I can not upgrade my student version.

Any ideas how to get it working in R2014a ? (I am fine with Wifi, even though I would prefer Bluetooth)

Thank you!

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Lode 2014-12-4

Sorry, I found out Ubuntu 14.04 is not supported by R2014a

Lode 2014-12-10

Thanks to Matlab support, I could solve the issue : 1- sshpass was not installed 2- I needed a WIFI dongle also on the PC (I expected it would go through the PC-LAN)

What I did in detail : 1.sudo apt-get install sshpass 2.sudo apt-get install openssh-server (is it needed ?) 3.sudo apt-get install openssh-client > it was already installed (but unclear before or after step 2.)

ssh localhost is working, but Mindstorm not yet.

Then... I plugged in WIFI adapter to my desktop PC Checked in a terminal : 'ssh root@192.168.0.135' (no password)

It worked! (1st time I had to accept the certificate).

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