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Message from discussion Lighting a LED with ambient RF (was candle)
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gregz  
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 More options Oct 8 2012, 10:45 pm
Newsgroups: sci.electronics.design
From: gregz <ze...@comcast.net>
Date: Tue, 9 Oct 2012 02:45:25 +0000 (UTC)
Local: Mon, Oct 8 2012 10:45 pm
Subject: Re: Lighting a LED with ambient RF (was candle)
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gregz <ze...@comcast.net> wrote:
> John Fields <jfie...@austininstruments.com> wrote:
>> On Tue, 02 Oct 2012 09:12:59 -0700, John Larkin
>> <jjlar...@highNOTlandTHIStechnologyPART.com> wrote:

>>> On Mon, 1 Oct 2012 20:54:20 -0700, "Billyb97113"
>>> <billyb97...@yahoo.com> wrote:

>>>> To quote John Larkins:
>>>> "More practical would be to get usable LED lighting from ambient RF"

>>>> I tried several different types of diodes and Ferrite rods and coils and
>>>> could never get a measurable voltage across a .01 uf cap. I used a 10X scope
>>>> probe as the only load.  I would be happy if the LED occasionally blinked
>>>> using any of the inductive circuits found on the internet.

>>>> Any ideas??  -bill

>>> I have no idea how much power can be extracted from a ferrite rod
>>> antenna.

>> ---
>> Why, then, is that admission of ignorance germane?
>> ---

>>> Googling produces vague results.

>> ---
>> GIGO?
>> ---

> I was just comparing results googling vs blekko.  Google just returns me to
> here.
> I'm just trying to learn blekko. No ehow wiki on blekko.

> Greg

http://blekko.com/

Greg


 
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