Re: Pinhole Light Meter

John Fletcher wrote:
> To answer another email: I can't see the Shutter Driver box getting much
> smaller than it currently is because of the 6 AA batteries it needs. You
> could probably power it off a 9V battery but my calculations indicate
> the current draw would be too big. As it is the 6 AA batteries provide a
> very useful approx 30 hours of power.

Have you considered using Lithium cells? Two or three should do it.
If you look at what the electric R/C airplanes are using you can get
an idea of what they are capable of. You do have to be very careful
charging them.

-- 
Brian Reynolds                  | "It's just like flying a spaceship.
reynolds@panix.com              |  You push some buttons and see
http://www.panix.com/~reynolds/ |  what happens." -- Zapp Brannigan
NAR# 54438                      |  
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