>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>On Behalf Of Forrest W Christian
>Sent: 16 July 2007 15:50
>To: Microcontroller discussion list - Public.
>Subject: Re: Universal PIC Hardware interface...
>
>
>The point I was trying to make is that moving the panel on a given 
>overcast day may not be the best thing for gaining efficiency. 
> You may 
>end up having less net power stored in the batteries after 
>tracking the 
>sun than if you had just left the panel in whatever position 
>it was in.  
>If you really want to gain energy efficiency, you need to 
>understand how 
>much power it is taking to move the panel versus how much power you 
>might gain by moving the panel.  
>

Bit of a chicken and egg problem surely, as you won't necessarily know how much power you could gain without moving the panel in the first place?

Regards

Mike

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