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Re: More on wifi range - Pi PICO W Oil level sensor

From "Carlos E.R." <robin_listas@es.invalid>
Newsgroups comp.sys.raspberry-pi, comp.os.linux.misc
Subject Re: More on wifi range - Pi PICO W Oil level sensor
Date 2025-12-12 12:19 +0100
Message-ID <7bat0mxbob.ln2@Telcontar.valinor> (permalink)
References (9 earlier) <mpss0eFn1ecU2@mid.individual.net> <u4mdnV7bI6vZ2KT0nZ2dnZfqn_SdnZ2d@giganews.com> <10hbhol$1di3b$10@dont-email.me> <3bor0mxr8h.ln2@Telcontar.valinor> <10hgqju$2r3rh$1@dont-email.me>

Cross-posted to 2 groups.

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On 2025-12-12 11:26, The Natural Philosopher wrote:
> 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:


>>> 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'

Ah.

What about a small solar panel and rechargeable batteries?

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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Thread

More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-09 10:47 +0000
  Re: More on wifi range - Pi PICO W Oil level sensor Andy Burns <usenet@andyburns.uk> - 2025-12-09 11:57 +0000
    Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-09 14:07 +0000
      Re: More on wifi range - Pi PICO W Oil level sensor Rich <rich@example.invalid> - 2025-12-09 19:14 +0000
        Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-09 19:17 +0000
    Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-09 21:19 -0500
      Re: More on wifi range - Pi PICO W Oil level sensor Andy Burns <usenet@andyburns.uk> - 2025-12-10 05:18 +0000
        Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 00:27 -0500
          Re: More on wifi range - Pi PICO W Oil level sensor Andy Burns <usenet@andyburns.uk> - 2025-12-10 05:38 +0000
            Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 02:13 -0500
              Re: More on wifi range - Pi PICO W Oil level sensor Andy Burns <usenet@andyburns.uk> - 2025-12-10 08:12 +0000
              Re: More on wifi range - Pi PICO W Oil level sensor Andy Burns <usenet@andyburns.uk> - 2025-12-10 08:15 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 03:56 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor Andy Burns <usenet@andyburns.uk> - 2025-12-10 09:14 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 09:59 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 05:02 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 10:24 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 05:53 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 11:45 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-11 22:06 +0100
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-12 10:26 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor Andy Burns <usenet@andyburns.uk> - 2025-12-12 10:39 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-12 11:14 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor Andy Burns <usenet@andyburns.uk> - 2025-12-12 11:41 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-12 12:10 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-13 01:19 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-12 12:19 +0100
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-12 12:10 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-12 23:42 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-13 13:30 +0100
                Re: More on wifi range - Pi PICO W Oil level sensor Fritz Wuehler <fritz@spamexpire-202512.rodent.frell.theremailer.net> - 2025-12-14 19:23 +0100
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-15 01:55 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-15 17:49 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-16 01:50 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-16 10:43 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor rbowman <bowman@montana.com> - 2025-12-16 20:40 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-17 01:05 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-17 01:55 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-17 10:31 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-17 06:25 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-17 00:20 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-17 01:01 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor rbowman <bowman@montana.com> - 2025-12-15 23:45 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-16 23:31 +0100
                Re: More on wifi range - Pi PICO W Oil level sensor Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-12-16 16:35 -0800
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-17 01:38 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-17 01:20 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor rbowman <bowman@montana.com> - 2025-12-17 07:58 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-17 03:24 -0500
                Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-17 20:39 +0100
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-15 17:46 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-11 22:03 +0100
                Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 09:57 +0000
          Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 09:55 +0000
            Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 05:36 -0500
              Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 11:33 +0000
      Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 09:47 +0000
        Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 05:29 -0500
          Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 11:29 +0000
          Re: More on wifi range - Pi PICO W Oil level sensor Daniel James <daniel@me.invalid> - 2025-12-10 13:01 +0000
            Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-10 13:05 +0000
              Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 23:19 -0500
            Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-10 23:12 -0500
              Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-11 08:48 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-11 04:19 -0500
                Cable chasing (Was: More on wifi range - Pi PICO W Oil level sensor) Daniel James <daniel@me.invalid> - 2025-12-11 10:15 +0000
              Inside out (Was: More on wifi range - Pi PICO W Oil level sensor) Daniel James <daniel@me.invalid> - 2025-12-11 10:23 +0000
                Re: Inside out (Was: More on wifi range - Pi PICO W Oil level sensor) Lars Poulsen <lars@beagle-ears.com> - 2025-12-11 18:16 +0000
                Re: Inside out (Was: More on wifi range - Pi PICO W Oil level sensor) John R Walliker <jrwalliker@gmail.com> - 2025-12-11 18:28 +0000
                Re: Inside out (Was: More on wifi range - Pi PICO W Oil level sensor) "Carlos E.R." <robin_listas@es.invalid> - 2025-12-11 21:59 +0100
                Re: Inside out (Was: More on wifi range - Pi PICO W Oil level sensor) The Natural Philosopher <tnp@invalid.invalid> - 2025-12-12 11:21 +0000
                Re: Inside out (Was: More on wifi range - Pi PICO W Oil level sensor) "Carlos E.R." <robin_listas@es.invalid> - 2025-12-13 13:45 +0100
  Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-11 22:18 +0100
    Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-12 10:41 +0000
      Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-13 13:57 +0100
    Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-12 11:28 +0000
      Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-13 13:56 +0100
        Re: More on wifi range - Pi PICO W Oil level sensor John R Walliker <jrwalliker@gmail.com> - 2025-12-14 19:22 +0000

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