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Groups > sci.engr.lighting > #2785

Re: Energy saving auto dimming street lights

From Andy Burns <usenet@andyburns.uk>
Newsgroups sci.misc, uk.d-i-y, sci.engr.lighting
Subject Re: Energy saving auto dimming street lights
Date 2018-01-04 12:23 +0000
Message-ID <fb6km9Ff0g5U2@mid.individual.net> (permalink)
References <08ko4dpltphij02srkut971qm9ir44f591@4ax.com> <fb3odqFopnuU2@mid.individual.net> <p2j4vm$893$2@dont-email.me> <56b4bac22dcharles@candehope.me.uk>

Cross-posted to 3 groups.

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charles wrote:

> The LED lights at our railway station and a footpath outside seem to sense
> the presence of a person; they get brighter when you approach.

The LED lighting in Sainsbury's do that (quite subtly) you have to go 
down an unpopular aisle when the shop is deserted to see it, also a 
local multi-storey has fluoro tubes that gently dim up and down as you 
walk past different sections.

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Thread

Re: Energy saving auto dimming street lights andrew@cucumber.demon.co.uk (Andrew Gabriel) - 2018-01-03 17:47 +0000
  Re: Energy saving auto dimming street lights charles <charles@candehope.me.uk> - 2018-01-03 18:34 +0000
    Re: Energy saving auto dimming street lights Andy Burns <usenet@andyburns.uk> - 2018-01-04 12:23 +0000

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