pressure sensitive button -

Hi

Does there exist something like a solenoid but in reverse? So a moving shaft that give a varying reading (or resistance) depending on how far in the shaft is pushed?

I imagine that connecting a solenoid up in reverse you will only get a current when the shaft is moving. I need something more like a potentiometer, but in this format so it is strong, and I can experiment with different springs to make it return.

Any ideas?

This:

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The Rugged Motor Driver: two H-bridges, more power than an L298, fully protected

nice!

Also there are liner displacement transducers, which are basically a pot driven by a plunger.

And linear pots, depending on how much travel you need.


Rob