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  1. Home
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  3. multiple DS18D20 does not report temperature

multiple DS18D20 does not report temperature

Scheduled Pinned Locked Moved Troubleshooting
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  • hekH Offline
    hekH Offline
    hek
    Admin
    wrote on last edited by
    #17

    Very strange. Are you using the same OneWire library in both cases?

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    • Tomasz PazioT Offline
      Tomasz PazioT Offline
      Tomasz Pazio
      wrote on last edited by
      #18

      yes the same.

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      • Tomasz PazioT Offline
        Tomasz PazioT Offline
        Tomasz Pazio
        wrote on last edited by
        #19

        any idea?

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        • hekH Offline
          hekH Offline
          hek
          Admin
          wrote on last edited by
          #20

          No, must be hundreds of users running Dallas sensors here. Trying to figure out if anything has changed in the library/dependencies but I don't see anything except the thing I mentioned earlier here.

          And you can get the sensor running without MySensors library loaded...

          Guess I have to hook up a Dallas sensor myself to check (tomorrow or so..)

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          • rvendrameR Offline
            rvendrameR Offline
            rvendrame
            Hero Member
            wrote on last edited by
            #21

            Are you powering your Dallas sensor using the 'one-wire' method? Is your arduino 5V or 3.3V?

            Home Assistant / Vera Plus UI7
            ESP8266 GW + mySensors 2.3.2
            Alexa / Google Home

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            • Tomasz PazioT Offline
              Tomasz PazioT Offline
              Tomasz Pazio
              wrote on last edited by Tomasz Pazio
              #22

              exactly like o the example so power from arduino 5V (not parasite)

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              • rvendrameR Offline
                rvendrameR Offline
                rvendrame
                Hero Member
                wrote on last edited by
                #23

                Can you post the serial monitor logs, from both gateway and node?

                Home Assistant / Vera Plus UI7
                ESP8266 GW + mySensors 2.3.2
                Alexa / Google Home

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                • Tomasz PazioT Offline
                  Tomasz PazioT Offline
                  Tomasz Pazio
                  wrote on last edited by
                  #24

                  @rvendrame, why You need log from gateway? When no values are sent from node than nothing on Vera. When use some dummy values which are visible in node log - than those values are in Vera.

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                  • hekH Offline
                    hekH Offline
                    hek
                    Admin
                    wrote on last edited by
                    #25

                    @hek said:

                    Guess I have to hook up a Dallas sensor myself to check (tomorrow or so..)

                    Ok, tried latest from 1.5 branch and it works fine here with 2 hooked up DS18D20.

                    sensor started, id=200, parent=0, distance=1
                    send: 200-200-0-0 s=255,c=3,t=11,pt=0,l=18,sg=0,st=ok:Temperature Sensor
                    send: 200-200-0-0 s=255,c=3,t=12,pt=0,l=3,sg=0,st=ok:1.1
                    send: 200-200-0-0 s=0,c=0,t=6,pt=0,l=0,sg=0,st=ok:
                    send: 200-200-0-0 s=1,c=0,t=6,pt=0,l=0,sg=0,st=ok:
                    send: 200-200-0-0 s=0,c=1,t=0,pt=7,l=5,sg=0,st=ok:27.9
                    send: 200-200-0-0 s=1,c=1,t=0,pt=7,l=5,sg=0,st=ok:28.0
                    send: 200-200-0-0 s=0,c=1,t=0,pt=7,l=5,sg=0,st=ok:31.5
                    send: 200-200-0-0 s=1,c=1,t=0,pt=7,l=5,sg=0,st=ok:32.0
                    
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                    • Tomasz PazioT Offline
                      Tomasz PazioT Offline
                      Tomasz Pazio
                      wrote on last edited by
                      #26

                      removed all Arduino related stuff from PC
                      Installed new IDE and libs from https://github.com/mysensors/Arduino/archive/master.zip
                      now I have progress, there are no readings no mater on which sketch hahaha.

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                      • clio75C Offline
                        clio75C Offline
                        clio75
                        wrote on last edited by
                        #27

                        Hi,

                        I have the same problem. No temperature is transported to GW.
                        This log is from Sensor:
                        req id
                        send: 255-255-0-0 s=255,c=3,t=3,pt=0,l=0,sg=0,st=ok:
                        sensor started, id=255, parent=0, distance=1
                        req id
                        send: 255-255-0-0 s=255,c=3,t=3,pt=0,l=0,sg=0,st=ok:
                        req id
                        send: 255-255-0-0 s=255,c=3,t=3,pt=0,l=0,sg=0,st=ok:
                        req id
                        send: 255-255-0-0 s=255,c=3,t=3,pt=0,l=0,sg=0,st=ok:

                        I have added some exstra lines in serial printout so I know that ds1820 is found and read.

                        req id
                        send: 255-255-0-0 s=255,c=3,t=3,pt=0,l=0,sg=0,st=ok:
                        sensor started, id=255, parent=0, distance=1
                        req id
                        send: 255-255-0-0 s=255,c=3,t=3,pt=0,l=0,sg=0,st=ok:
                        req id
                        send: 255-255-0-0 s=255,c=3,t=3,pt=0,l=0,sg=0,st=ok:
                        **Sensors found
                        1
                        **req id
                        send: 255-255-0-0 s=255,c=3,t=3,pt=0,l=0,sg=0,st=ok:
                        temp :
                        23.80

                        But This value is not transported to GW.
                        Any idee ?

                        Thanx

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