What about some kind of lens or something. I guess the moving and focussing
electronics would use up any extra you gained.
Brian

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The Sofa of Brian Gaff...

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"Martin Brown" wrote in message
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On 23/10/2018 12:46, fred wrote:
I'm looking at solar powered pir outdoor leds. Does the solar panel
have to face the sun or is sky view sufficient. ( Id need to make up
a bracket to allow the panel face south)

Apart from in midwinter when even professional grade solar powered devices
die a horrible death wrecking the batteries - it doesn't matter too much
whether you point a solar panel E,S or W. It must get direct sunlight to
have a sensible efficiency but it isn't all that critical which way it
points - a 30 degree pointing error loses about 15%.

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Regards,
Martin Brown