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 
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

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


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