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    Dead on arrival?

    UniPi Neuron Series
    neuron support malfunction
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    • J
      Jan Teunis last edited by

      Hi!

      I've been testing with my neuron L203 for a few days when I had some time, and it seems that after many attempt, the complete RUN2 section seems to be dead? I've played around with Mervis and Node-RED and I just can't seem to activate any of the relays on this part of the board.

      The LED on RUN2 is blinking in a different way than RUN1 and RUN3. It skips every other blink and shows a slightly red LED instead. Didn't notice this odd blinking as I was so focused on staring to use this awesome device. Is there a way to check this on a lower level? I don't want to open the casing, as it would probably void my warranty.

      Video of the blinking right here:
      https://goo.gl/photos/JwYHHnqJ9g4R2ZBE7

      Hope to get a quick solution for this issue.

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      • T
        tomas_hora administrators @Jan Teunis last edited by

        Hello @Jan-Teunis,

        you can try to run the neuron tcp server in verbose mode

        fisrt stop the service by:

        systemctl stop neurontcp
        

        and then run it by hand by

        /opt/neurontcp/neuron_tcp_server -p 502 -vv
        

        and paste the output here.

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        • J
          Jurij last edited by

          Hi Tomas,

          I have bought 4 neuron L503 as I need them for my project and I have the same problem. It seems that module 2 does not work ok.
          When I run neuron_tcp_server manually the output is:

          pi@neuron02:~ $ sudo /opt/neurontcp/neuron_tcp_server -p 502 -vv
          Board on /dev/spidev0.1 firmware=5.0  hardware=0.16 (B-1000-1)
          pi@neuron02:~ $
          
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          • J
            Jan Teunis @tomas_hora last edited by

            Hey @tomas_hora ,

            This is the output that I got :

            Board on /dev/spidev0.1 firmware=5.0  hardware=0.16 (B-1000-1)
            Board on /dev/spidev0.3 firmware=5.0  hardware=8.16 (E-16Di-1_U-14Ro-1)
            Board on /dev/spidev0.2 firmware=5.0  hardware=8.16 (E-16Di-1_U-14Ro-1)
            Board0 PTY0 /dev/pts/1
            Starting loop
            
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            • T
              tomas_hora administrators @Jan Teunis last edited by

              @Jan-Teunis Than everything should be working well. The RUN led also indicates if there has been a recent communication with the group (1-3).

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