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   comp.sys.raspberry-pi      Raspberry Pi computers & related hardwar      26,127 messages   

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   Message 25,857 of 26,127   
   The Natural Philosopher to Carlos E.R.   
   Re: More on wifi range - Pi PICO W Oil l   
   12 Dec 25 10:26:06   
   
   XPost: comp.os.linux.misc   
   From: tnp@invalid.invalid   
      
   On 11/12/2025 21:06, Carlos E.R. wrote:   
   > On 2025-12-10 11:24, The Natural Philosopher wrote:   
   >> On 10/12/2025 10:02, c186282 wrote:   
   >>> On 12/10/25 04:14, Andy Burns wrote:   
   >>>> c186282 wrote:   
   >>>>   
   >>>>>    I think it was you ... said how a cam would   
   >>>>>    more or less drop out when the Big Red Truck   
   >>>>>    was there.   
   >>>> No, maybe TNP said his oil level monitor would drop out?   
   >>>   
   >>>    Posting traffic has considerably increased of late,   
   >>>    partly my "fault" ... but COSLM was kind of dying   
   >>>    and that would have been tragic. Forgive the sort   
   >>>    of off-topic stuff, but it DOES keep minds alive -   
   >>>    you can't ALWAYS think about Linux without kind   
   >>>    of seizing up :-)   
   >>>   
   >> I stated for te record and for the interest of others doing outside   
   >> wifi coupled IOT shit that rain wind and possibly cars made a difference.   
   >>   
   >> Someone else remarked that so did fire trucks.   
   >>   
   >> The downside of the new oil monitor is that is is so accurate - to   
   >> within a litre it seems - that I can visibly see how much a shower or   
   >> washing the dishes costs me, and a cold night is very expensive. :-)   
   >> LOL.   
   >>   
   >> Now off to write the software that will look at it for me and warn me   
   >> of things by email.   
   >> So I can get on with the next project.   
   >   
   > You mentioned thieves stealing fuel. You can also monitor for that. You   
   > would need a fuel flow meter on the fuel line, or a sensor telling when   
   > the furnace is working. Compare with the tank level decreasing rapidly.   
   >   
      
   The problem is that the sensor I built on the tank has no power except   
   batteries: So it only wakes up occasionally and draws nanoamps in between.   
   I have completed the warning software that looks for low oil levels,   
   loss of communication, a failing battery and unexpected changes in oil   
   level, BUT it cannot do that in real time as the unit is only powered up   
   for a minute or so every couple of hours.   
      
   Depending on how long the batteries last I may increase the frequency of   
   operation. But it can never be 'real time'   
      
      
      
   --   
   If you tell a lie big enough and keep repeating it, people will   
   eventually come to believe it. The lie can be maintained only for such   
   time as the State can shield the people from the political, economic   
   and/or military consequences of the lie. It thus becomes vitally   
   important for the State to use all of its powers to repress dissent, for   
   the truth is the mortal enemy of the lie, and thus by extension, the   
   truth is the greatest enemy of the State.   
      
   Joseph Goebbels   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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