Re: Tiny Solenoid
- From: "Bob Eld" <nsmontassoc@xxxxxxxxx>
- Date: Fri, 28 Apr 2006 18:58:41 GMT
"Sam" <evsummers@xxxxxxxxx> wrote in message
news:1146247852.996846.291520@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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Hey, I'm new here and I hope I'm posting in the most relevant group.
I'm looking for a way to create a tiny vibration. I'm guessing that the
easiest way to do this is with a little solenoid that I activate at the
frequency of my choosing. I've never used a solenoid though, and am
pretty new to electronics so I am kind of lost.
I looked on mouser and digikey, but most of what I saw was fairly high
voltage and way out of my price range. I'm looking for something about
the size of a pencil eraser that only needs 3 volts and costs as little
as possible.
Can anybody point me in the right direction? Maybe I'm searching for
the wrong thing...
Thanks
Sam
A solenoid may not be what you want. Solenoids will produce pull in when
driven regardless of polarity and are not usually used in that manner.While
some vibration may occur they will be very inefficient at producing it. What
frequency do you want to vibrate? Most vibrators like those used in cell
phones and sex toys use an eccentric weight on a small motor and vibrate at
the rate the motor runs. They are efficient. Check Mouser and Jameco for
"vibrating motors." Jameco has a whole bunch of them both 1.5 and 3VDC.
Bob
.
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