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John You have to admit, the magnetic switches are not really optimal in this case. They are great if you don't want to handle power, but you will need some sort of current amplification to run anything over a 2W bulb. As soon as you add this circuit (typically a relay) you have reduced the reliability below that of a mechanical switch. The point being that you have to add components to compensate for picking the wrong component. I believe this is what George refers to as "Convoluted". ttfn David Pearson Nortel, Public Carrier Networks Ottawa, Ontario, Canada dpearson@no*.ca* In message "Building My Own Dive Light??????", you write: > >Posted on 25 Sep 1996 at 12:54:12 by Tom Mount > > >John, > >Do yourself ABIG favor and avoid the magnetic swirches on a dive light. > >They have been attempted without success on numerous occassions. Stay > >with simple mechanical switches they are reliable and you bet your life > >on them. > > I use them and have for a long time now. I use both Hall effect > sensors and reed relays. Both these types will take millions upon > millions of operations but a mechanical switch is conceptually > simpler and easier to build and wire up. > > John > -- > Send mail for the `techdiver' mailing list to `techdiver@terra.net'. > Send subscription/archive requests to `techdiver-request@terra.net'. >
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