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Add support for rain gauge sensor #90

user2684 opened this Issue May 13, 2017 · 2 comments


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user2684 commented May 13, 2017

@user2684 user2684 added this to the unassigned milestone May 13, 2017


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user2684 commented May 14, 2017

There are a few reasons why I cannot use the code at

  • Depends a the controller to request the current time
  • Different measures (V_RAIN, V_RAINRATE, etc.) would require different sensors but the interrupt can be attached only once
  • Having different messages in the same sensor would not work since loop() expects a single value
  • The idea behind storing information in EEPROM is nice but would make the code too complex
  • having a custom onLoop() which sends all the messages would require ALWAYS_ON mode preventing other sensors to report periodically

I will go for a over-simplified custom version

@user2684 user2684 modified the milestones: v1.5, unassigned May 14, 2017


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user2684 commented May 14, 2017

Made available the following functions:

     // set how frequently to report back to the controller in minutes. After reporting the measure is resetted (default: 60);
    void setReportInterval(int value);
    // set how many mm of rain to count for each tip (default: 0.11);
    void setSingleTip(float value);


  • The node cannot be powered with batteries since using millis() to keep track of the time and sleep would prevent it to work correctly. Use wait instead (e.g. nodeManager.setSleep(WAIT,1,HOURS);)
  • Use setReportInterval() to set the minimum time interval for reporting. Rain will be reported when loop() is executed and the elapsed from the last report is more than the defined interval. So for example to report every hour, set the sleep mode to WAIT for 1 hour and set setReportInterval() to be less than 60 .
  • Once the rain is reported, the counter is reset. This should allow the flexibility to measure hourly or daily intervals (not both) by setting setReportInterval() accordingly.
  • Use setSingleTip() to set the mm of rain to count for each tip. The default 0.11 is ok for the rain gauge available in the MySensors' shop. To measure, use a cough syrup glass which can measure the water in ml and drop it just the right amount to have the gauge tipping. Then use to convert from ml to mm.



@user2684 user2684 self-assigned this May 14, 2017

@user2684 user2684 added the fixed label May 14, 2017

@user2684 user2684 closed this May 14, 2017

user2684 pushed a commit that referenced this issue May 14, 2017

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