Old 10-07-2010, 02:07 PM #1
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Default Extremely beginner question.

Well I bought one of those cheap 3 dollar <5mw red lasers, but it seems the spring that the button cell batteries sat against broke. How does one power this laser?


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Old 10-07-2010, 02:15 PM #2
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Default Re: Extremely beginner question.

Welcome to the forum!

I think these button cell pointers can't be disassebled withouth harming them. If you still manage to do it you could solder the spring back or at a last try you could use some metal spacer like a magnet to fill the space between the cells and the remains of the spring.
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Old 10-07-2010, 02:18 PM #3
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Default Re: Extremely beginner question.


J/K

Anyway it's what I would do. You can resolder the spring or connecting a cable to where it was. A picture will help.
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Old 10-07-2010, 02:20 PM #4
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Default Re: Extremely beginner question.

I was talking about such magnets, with same size as the button cells:
supermagnete - Discs (Small) - The Strongest Magnets in the World
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Old 10-07-2010, 03:15 PM #5
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Default Re: Extremely beginner question.

yes, small magnets can be used, BTW I remember that page... Sometime ago I bought "THE DEATH MAGNET" from them to play with it for a little. It still scares me.

The Death magnet

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Originally Posted by tuzvihar View Post
I was talking about such magnets, with same size as the button cells:
supermagnete - Discs (Small) - The Strongest Magnets in the World
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Last edited by magonegro; 10-07-2010 at 03:35 PM.
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Old 10-07-2010, 08:53 PM #6
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Default Re: Extremely beginner question.

Shouldn't the question be part of the thread title?

I know, I know, I'm a thread title nazi... I just have a pet peeve in ALL my forums about ambiguous names like "check this out" and "help please."

A well-oiled forum LIVES on accurate thread titles, both for today and in the future when someone is searching thread titles looking for info (the most popular kind of search).

Please keep it in mind in the future.
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