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  1. Home
  2. Troubleshooting
  3. multiple DS18D20 does not report temperature

multiple DS18D20 does not report temperature

Scheduled Pinned Locked Moved Troubleshooting
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  • Tomasz PazioT Offline
    Tomasz PazioT Offline
    Tomasz Pazio
    wrote on last edited by
    #11

    log is now different
    send: 3-3-0-0 s=255,c=0,t=17,pt=0,l=3,sg=0,st=ok:1.5
    send: 3-3-0-0 s=255,c=3,t=6,pt=1,l=1,sg=0,st=ok:0
    read: 0-0-3 s=255,c=3,t=6,pt=0,l=1,sg=0:M
    sensor started, id=3, parent=0, distance=1
    send: 3-3-0-0 s=255,c=3,t=11,pt=0,l=18,sg=0,st=ok:Temperature Sensor
    send: 3-3-0-0 s=255,c=3,t=12,pt=0,l=3,sg=0,st=ok:1.1
    send: 3-3-0-0 s=0,c=0,t=6,pt=0,l=0,sg=0,st=ok:
    send: 3-3-0-0 s=1,c=0,t=6,pt=0,l=0,sg=0,st=ok:

    but still no readings on vera :(

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    • H Offline
      H Offline
      hek
      Admin
      wrote on last edited by
      #12

      I cannot see any temp readings in the debug log...

      Are you powering your 9 Dallas sensors directly from the Arduino or separately? I'm not sure how much they draw but 9 is quite much...

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      • Tomasz PazioT Offline
        Tomasz PazioT Offline
        Tomasz Pazio
        wrote on last edited by
        #13

        Now trying with one and two. No more.

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        0
        • Tomasz PazioT Offline
          Tomasz PazioT Offline
          Tomasz Pazio
          wrote on last edited by
          #14

          There are two parts of issue:
          problem with no data on vera was on this part:
          // Only send data if temperature has changed and no error
          #if COMPARE_TEMP == 1
          if (lastTemperature[i] != temperature && temperature != -127.00 && temperature != 85.00) {
          #else
          if (temperature != -127.00 && temperature != 85.00) {
          #endif

          my reading is now -127.00
          changed to -200 and now I can see the data on vera.
          however this is not correct data because should be something like 27 Celsius.
          so there is something with conversion as well :(

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          • H Offline
            H Offline
            hek
            Admin
            wrote on last edited by
            #15

            -127 means something is wrong when reading your dallas sensors. It is a an error code. So you actually only have an issue with your temp sensors.

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            • Tomasz PazioT Offline
              Tomasz PazioT Offline
              Tomasz Pazio
              wrote on last edited by
              #16

              2015-08-01 15_47_46-Poczta.png
              when I use Example for Dallas multiple sensors it works fine.
              2015-08-01 15_49_37-Poczta.png
              when I use example for one-wire temperature sensor ds18.... it works fine as well
              so i can reed but can not use Mysensors sketch :(

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              • H Offline
                H 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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                    • H Offline
                      H 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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                      • R Offline
                        R 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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                        0
                        • 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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                          0
                          • R Offline
                            R 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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                            0
                            • 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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                              • H Offline
                                H 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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                                  • C Offline
                                    C 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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