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  3. Combined sketch PH meter and Temp Sensor

Combined sketch PH meter and Temp Sensor

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  • S Offline
    S Offline
    stingone
    wrote on last edited by
    #1

    Hi everyone,

    I just got a compiled sketch with a ph sensor and temp sensor however i push the values to pimatic. however i have the ph meter as child id 0, and the temp as child id 1. however it seems that both values are on child 1.

    Can anyone have a look at my sketch to see where the error is?
    0_1460752368057_PH_Probe_v1.1.ino.ino

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    • mfalkviddM Offline
      mfalkviddM Offline
      mfalkvidd
      Mod
      wrote on last edited by
      #2

      You have set numSensors to 0 which means you will never present any temperature sensors. I think you need to change

      int numSensors=0;
      

      to

      int numSensors=1;
      

      and

          for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {   
          gw.present(i, S_TEMP);
          }
      

      to

          for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {   
          gw.present(i+CHILD_ID_TEMP, S_TEMP);
          }
      

      Also use the auto-formatting (Ctrl/Cmd+T) in Arduino IDE, it makes it easier to follow the code and spot mistakes.

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      • S Offline
        S Offline
        stingone
        wrote on last edited by stingone
        #3

        These are the reading i got.

        send: 2-2-0-0 s=255,c=3,t=15,pt=2,l=2,sg=0,st=ok:0
        send: 2-2-0-0 s=255,c=0,t=17,pt=0,l=5,sg=0,st=ok:1.5.3
        send: 2-2-0-0 s=255,c=3,t=6,pt=1,l=1,sg=0,st=ok:0
        read: 0-0-2 s=255,c=3,t=6,pt=0,l=1,sg=0:M
        sensor started, id=2, parent=0, distance=1
        send: 2-2-0-0 s=255,c=3,t=11,pt=0,l=7,sg=0,st=ok:pHmeter
        send: 2-2-0-0 s=255,c=3,t=12,pt=0,l=3,sg=0,st=ok:1.0
        send: 2-2-0-0 s=0,c=0,t=21,pt=0,l=0,sg=0,st=ok:
        send: 2-2-0-0 s=0,c=0,t=6,pt=0,l=0,sg=0,st=ok:
        pH:3.36
        send: 2-2-0-0 s=0,c=1,t=24,pt=7,l=5,sg=0,st=ok:3.36
        send: 2-2-0-0 s=0,c=1,t=0,pt=7,l=5,sg=0,st=ok:21.3
        send: 2-2-0-0 s=0,c=1,t=0,pt=7,l=5,sg=0,st=ok:21.1
        send: 2-2-0-0 s=0,c=1,t=0,pt=7,l=5,sg=0,st=ok:21.0
        send: 2-2-0-0 s=0,c=1,t=0,pt=7,l=5,sg=0,st=ok:20.8
        pH:3.86
        send: 2-2-0-0 s=0,c=1,t=24,pt=7,l=5,sg=0,st=ok:3.86

        The 14.79 is from the PH the rest the temp sensor.

        as you can see both values are on parent 0. is it possible to get the ph on parent 0 and the temp on 1?

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