Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "Carlos E.R." Newsgroups: comp.os.linux.misc Subject: Re: More on wifi range - Pi PICO W Oil level sensor Date: Wed, 17 Dec 2025 20:39:58 +0100 Lines: 39 Message-ID: References: <10hbholdi3b0@dont-email.me> <3bor0mxr8h.ln2@Telcontar.valinor> <10hgqjur3rh@dont-email.me> <4795ac3fd5ad1428f38c093b2b1543ca@msgid.frell.theremailer.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: individual.net KLDZHLDTDlw7Dg+6wRUDeQnCu2WtbUVr+pwZnK8NUUyfRohcIE X-Orig-Path: Telcontar.valinor!not-for-mail Cancel-Lock: sha1:PwIwdSEytdO37m+coGQCQl9SaJY= sha256:SJdd/14uc79weYow0vqoyc68MsgjGlIzNlsad9EA4/Y= User-Agent: Mozilla Thunderbird Content-Language: es-ES, en-CA In-Reply-To: Xref: csiph.com comp.os.linux.misc:79393 On 2025-12-16 23:31, Carlos E.R. wrote: > On 2025-12-15 07:55, c186282 wrote: >> On 12/14/25 13:23, Fritz Wuehler wrote: >>> The Natural Philosopher <...@invalid.invalid> [TNP]: >>> TNP> Depending on how long the batteries last I may increase the >>> TNP> frequency of operation.  But it can never be 'real time' >>> >>> Have you considered using a couple of old 12V car/motorcycle batteries >>> (one at a time) instead? >> >>    Those are BIG (and heavy and need special recharge). >>    At least they don't detonate like Li-Ion batts. >> >>    Had a weather station that used up batteries too fast. >>    Wanted to convert it to solar charge with a small lead >>    battery - 6v. Well, first you needed a 9-12v solar >>    panel, easy enough, but then a converter to get that >>    into the range a dedicated lead/acid charger could >>    cope with AND the charger could NOT cause the circuit >>    to see any more than 6v regardless of sun levels. >>    Turned into a MESS. >> >>    Solution ... 9v little solar, a resistor bridge to >>    drop to about 6.5v and a 10w zener to suck up any >>    over-voltage across the device power leads. The batt >>    just got a small harmless 'trickle charge' which was >>    enough to deal. Less tech = MORE in this case. > > Doesn't anybody sell, ready to use, solar panel plus battery and > controller, ready to use? I was thinking of something like in this advert: -- Cheers, Carlos. ES🇪🇸, EU🇪🇺;