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Re: LED lighting for garden
- To: ukha_d@xxxxxxx
- Subject: Re: LED lighting for garden
- From: Ian Oliver <ioliver.lists@xxxxxxx>
- Date: Thu, 19 Apr 2001 09:43:50 +0100
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
In article <000d01c0c85a$f93fe560$de7f9284@xxxxxxx>, Keith
Doxey wrote:
> If you put the 5 LED's in series they would require 10V leaving the
resistor
> to drop 2V, a 100R resistor would give you the same number of LED's
lit at
> the same brightness with a total consumption of only 20mA and only 17%
of
> the power lost in the resistor.
I'm looking at using modules ultra-bright LEDs as at
http://www.theledlight.com/led-specs.html
I think you can just connect three
across 12V, though other blurb mentions resistors. I guess these are for
the
red/orange stuff with a lower forward voltage.
Regards
Ian Oliver
Sunny Leeds, UK
Using Java on Tini for control via Dallas 1-wire
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