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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 Offline
    CharlesC Offline
    Charles
    wrote on last edited by
    #2

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

    T 1 Reply Last reply
    • 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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