http://en.wikipedia.org/wiki/Solenoid


Marc Rutherford
Principal Programmer Analyst
Advanced Bionics LLC
661) 362 1754

-----Original Message-----
From: u2-users-boun...@listserver.u2ug.org 
[mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of George Gallen
Sent: Friday, May 03, 2013 8:32 AM
To: U2 Users List
Subject: Re: [U2] [way ot] - Electronic Button Purshers?

Just had a thought. Might be able to do this with a rod attached to a magnet, 
And then energize and create a like poled magnetic field which would push The 
other magnet away - connected together with a spring to pull it back When the 
eletro magnet gets deenergized. Hmmm. 

George

-----Original Message-----
From: u2-users-boun...@listserver.u2ug.org 
[mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of George Gallen
Sent: Friday, May 03, 2013 11:25 AM
To: U2 Users
Subject: [U2] [way ot] - Electronic Button Purshers?

OK.

I'm trying to use a Raspberry pi to push a button, but only want to use one 
GPIO port.
Basically, I'm trying to get the pi to turn a device on or off - and can't 
easily get to Where the button on the device's board is at to have the pi 
trigger with a relay, So I plan to mount the device, and have something just 
push the button directly.

Do they make a device that when energized,  will push a rod out then back?
Right now, my only option (maybe not only), would be to create a Scotch Yoke 
http://en.wikipedia.org/wiki/Scotch_yoke

But for space contraints, and ease, I'd rather put in something that would do 
That as it's primary function.

George

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