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    Reading garbage from serial port, reborn

    PiTInfo
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    • T
      ThomasC last edited by

      Re: reading garbage from serial port PiTInfo

      I just got the pitinfo v1.2 throwing garbage at me.

      I have tried different settings for serial port ( baud, parity, flow control), using picocom and https://hallard.me/enable-serial-port-on-raspberry-pi/

      I have check cabling by connecting module directly to EDF appliance

      Any idea (Ie proper serial port settings)

      Thanks in advance

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      • Charles
        Charles last edited by

        @ThomasC
        What version of PI and EdF counter do you have RPI 3, Linky, ... ?

        T 1 Reply Last reply Reply Quote
        • T
          ThomasC @Charles last edited by

          @Charles It's a RPI 3 and a linky.

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          • Charles
            Charles last edited by

            Thomas, there is a problem detected by Linky users, to be able to works a resistor need to be changed.

            • R3 (4.7K) need to be changed by 1K, 1.2K or 1.5K (and may be 2.2K) whatever you have in hand.
            • or put another resistor from 800 Ohm to 1.8K in // of R3 leaving R3 in place.

            If you can't do it, you can send me back the board and I'll do it for you.

            Charles

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            • T
              ThomasC @Charles last edited by

              @Charles Thanks for the feedback. I am out of office ATM. I'll see what i can do at end of week. But my soldering skills are poor.

              Regards

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              • T
                ThomasC @Charles last edited by

                you can send me back the board and I'll do it for you.

                Hello @charles,
                what is the address i should send back the borard ?

                Best regards

                Thomas C

                S 1 Reply Last reply Reply Quote
                • Charles
                  Charles last edited by

                  @ThomasC
                  Je viens d'envoyer un PM sur le Chat avec l'adresse

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                  • S
                    Strebor @ThomasC last edited by

                    @ThomasC
                    Bonne journée à tous.
                    Une autre victime de Linky ici.
                    Avant de changer R3, je ferai un différentiel adaptateur pour mon oscilloscope.
                    Mon installation a une connexion parallèle de la téléinfo bus.
                    Je pense qu'un «récepteur de ligne» à haute impédance est nécessaire?

                    sorry for the baby french, I'm a slow learner.
                    Regards Strebor

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                    • Charles
                      Charles last edited by

                      @Strebor
                      Oui tu peux changer juste R3 et voir si tout fonctionne, après. Sait-on jamais 😉

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                      • S
                        Strebor last edited by

                        je pourrais faire ça.Mais je préfère voir ce qui se passe en premier....Strebor

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                        • M
                          Michel last edited by

                          Bonjour Charles,
                          je viens d'installer et configurer la PiTinfo sur mon Raspberry et je rencontre le même problème.
                          Lorsque je lance picocom, le début de trame est lisible puis je n'ai que du déchet.
                          Mes compétences de soudage sont très limitées et les composants tout petits...
                          Etes-vous toujours ok pour remplacer la R3 si je vous renvoie la carte?
                          Merci

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                          • Charles
                            Charles last edited by

                            Bonjour Michel,
                            Bien entendu aucun soucis, passez en mode chat pour les adresses de retour

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