Hi Chris

Good luck with your little project, but I don't think it will save you very
much money.  I built a electronic release for my MZ-5n because I thought the
$45 cdn was too much to ask for what is essentially only a two stage switch.
Mine cost about $20 in parts, but took a few hours to put together.  Net
savings effectively zero, and the switch is butt ugly, but it was fun to
build.

Is the idea that the timer automatically turns off the light source? - If
not you may as well just buy a kitchen timer.

-Scott


----- Original Message -----
From: Chris Murray <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, May 27, 2002 2:52 PM
Subject: building a darkroom timer


> Being the cheapskate that I am. I don't want to spend huge bucks on a
> timer for my enlarger.  I plan on building one, one idea for the timing
> circuit is an digital egg timer. But it only does seconds and minutres.
>
> What resolution does my timer have to be in? Is seconds good enough? or
> will I encounter occasions where I will need 1/2 of a second or shorter?
>
> Thanks - Chris
>
> --
> Chris Murray                   /"\
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