Hi, Jens
Best solution would be to solve the problem at its source. It sounds like
the DS18B20 emits a zero, even though the power was off. Any way to change
that?
Alternatively, you could tell StdQC to reject values outside a "known good"
range:
[StdQC]
[[MinMax]]
extraTemp2 = 1.0, 1000.0
On Thu, Oct 1, 2020 at 4:57 AM Jens-Jørgen Kjærgaard <[email protected]>
wrote:
> I have added the temperature of my pond as extraTemp1 and using DS18B20 on
> the raspberry, runs fine.
> Now I have also added the water level of the pond as extraTemp2 using
> ultrasound. Of course I get the reading as degree C when it should be in
> centimeters, but I don't mind - anyway, it works fine.
> But if I get a power outage, the extraTemp1 is just missing, as it should
> be, but extraTemp2 records a value of 0, producing a misleading graph. Is
> there any way to avoid this?
>
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