OT: pager vibrator

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#1
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Hello,

I'm in the process of an AVR project and my client
suddenly wants to add a vibrator as an alert function.

I know that pagers & cell phones have tiny vibrators
built in, but a web search only gets me porno sites :-(

If anyone knows of a source for small vibrators, and or,
has ideas about driving one from a Mega48L, I'd
appreciate the help.

Thanks
Will

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to make a vibrator you could use a small motor with an unbalanced load

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Try a search on nokia parts.

For example these people:
http://www.firstphoneshop.co.uk/...
list a vibrating motor for the Nokia 3310 for £9.42.

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allelectronics.com has a few. It's a surplus place, so
some parts are better-documented than others.

I've never worked with one of these myself, but Googling for "vibrating motor"
provided a number of (non-porno (:-))) hits. As I understand it they're just small
DC motors with an eccentric weight attached.

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All Electronics Corp. carries them. Look under Motors, Miscellaneous.

Don

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I think Digi-Key also lists a vibrator.

Tom Pappano
Tulsa, Oklahoma

Tom Pappano
Tulsa, Oklahoma

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Thanks!

These little motors are just what I was looking for.

I guess just a small FET as a series pass switch, with the gate connected to an
Mega48L output should be able to switch it on and off.

Will

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also jameco and jdr microdevices

Imagecraft compiler user

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The search term you want is "pager motor"; they're widely used for things like BEAM
robots and small scale remote control, so most of the hobbyist dealers will have them.
(I'm not sure where you would look for "production quantities.")

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ZipZap's or MicroSizers are a cheap way of getting these mini motors too. You can buy the upgrade motors for less than 10 bucks at most hobby stores that sell RC stuff. You won't find smaller motors anywhere else.

-Curiosity may have killed the cat
-But that's why they have nine lives