Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Lasse Langwadt <llc@fonz.dk>
Newsgroups: sci.electronics.design
Subject: Re: Ultra-Low Power Operation
Date: Mon, 7 Oct 2024 22:44:30 +0200
Organization: A noiseless patient Spider
Lines: 22
Message-ID: <ve1h7e$1rjj9$1@dont-email.me>
References: <vhh4gj9q0e3uvahubbpfgtvdbbmj9npk2c@4ax.com>
 <vdtl2r$16eol$1@dont-email.me> <f905gjh3eke438fhfa3tgdgkag3o86ij9s@4ax.com>
 <9p75gj5gdcgmak5op7gvekcboi2qhs5el1@4ax.com> <vdv2pq$1cidg$1@dont-email.me>
 <2986gjp50ja0hqo7nd3b4tgfd1m7s7ectp@4ax.com> <ve0360$3ni2$1@solani.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Mon, 07 Oct 2024 22:44:31 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="0be82079aea3bc29d9f99a0b0490586e";
	logging-data="1953385"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/DPaqIFOkKaVm/fLfzgQ8S+fpM6uDWLA4="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:xsFaztGWAnBDm9JNoJWgG14HuXw=
In-Reply-To: <ve0360$3ni2$1@solani.org>
Content-Language: en-US
Bytes: 2073

On 10/7/24 09:38, Jan Panteltje wrote:
> On a sunny day (Mon, 07 Oct 2024 00:49:06 +0100) it happened Cursitor Doom
> <cd@notformail.com> wrote in <2986gjp50ja0hqo7nd3b4tgfd1m7s7ectp@4ax.com>:
> 
>> On Mon, 7 Oct 2024 00:26:01 +0200, Lasse Langwadt <llc@fonz.dk> wrote:
> 
>>>> Where can you buy a half volt battery?
>>>
>>> a zinc and a copper nail in a lemon? ;)
>>
>> Again, lots of ways to make batteries. We found all this fascinating
>> when we were children, but kids today just don't seem to give a damn
>> about it.
> 
> You can use a Pleltier module and heat it up with body heat to get low voltages..
> Or power it and use it to cool something:
>   https://www.ebay.com/itm/404626611006
>   https://www.ebay.com/b/Peltier-Coolers/182022/bn_16565367

or thermocouples, but you need quite a few in series to get 500mV