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  5. Reading garbage from serial port, reborn

Reading garbage from serial port, reborn

Scheduled Pinned Locked Moved PiTInfo
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  • CharlesC Charles

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

    T Offline
    T Offline
    ThomasC
    wrote on last edited by
    #3

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

    1 Reply Last reply
    • CharlesC Offline
      CharlesC Offline
      Charles
      wrote on last edited by
      #4

      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

      T 2 Replies Last reply
      • CharlesC Charles

        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

        T Offline
        T Offline
        ThomasC
        wrote on last edited by
        #5

        @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

        1 Reply Last reply
        • CharlesC Charles

          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

          T Offline
          T Offline
          ThomasC
          wrote on last edited by
          #6

          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
          • CharlesC Offline
            CharlesC Offline
            Charles
            wrote on last edited by
            #7

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

            1 Reply Last reply
            • T ThomasC

              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 Offline
              S Offline
              Strebor
              wrote on last edited by
              #8

              @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

              1 Reply Last reply
              • CharlesC Offline
                CharlesC Offline
                Charles
                wrote on last edited by
                #9

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

                1 Reply Last reply
                • S Offline
                  S Offline
                  Strebor
                  wrote on last edited by
                  #10

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

                  1 Reply Last reply
                  • M Offline
                    M Offline
                    Michel
                    wrote on last edited by
                    #11

                    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

                    1 Reply Last reply
                    • CharlesC Offline
                      CharlesC Offline
                      Charles
                      wrote on last edited by
                      #12

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

                      1 Reply Last reply

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