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end stops

Posted by chris33 
end stops
October 23, 2012 08:22PM
What are the best micro switches optics or proximity?
Re: end stops
October 23, 2012 09:01PM
I prefer mechanical end stops. I've tried opti ends, but I find them a hasle. Flags get bumped, additional electronics needed and they haven't been any more accurate for me (which I believe is why they're supposed to be better). They're cheaper too.
Re: end stops
October 24, 2012 08:55PM
If you choose a (mech) microswitch, consider the activation force. Lower values result in higher precision, presuming a fixed location. Although I will be migrating to optical in the long run (tech snobbery or whatever), I have a trio of 8gf Omron switches set aside for the important homing locations in ,my first build. PN SS-01GL2-E (digikey p/n SW1094-ND, fwiw). They won't drive any appreciable current (100mA max), but plenty enough for digital I/O
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