Ahh, I shall go and get it. The hardware should be easy.
I get a IR LED bar and keep it lit while the fish go between
it and the detector bar. As the fish go in front of it they
cast varying shadows on the detector bar. The trick will be
to interpret them properly, and cause a count to take place.
> -----Original Message-----
> From: Jason Copenhaver [mailto:jcopenha@typedef.org]
> Sent: Wednesday, December 18, 2002 04:55 PM
> To: slug@nks.net
> Subject: Re: [SLUG] A Challenge....
>
>
> "Linux Device Drivers" from O'rielly actually has a sample
> device driver
> that reads/writes to the parallel port. If you can build the
> hardware the
> software doesn't sound that complicated.
>
> Jason
>
>
>
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