A good while ago, someone asked about using optical sensors for limit switches, and my knee-jerk reaction was "bad idea with so much dust around."
However, I ran across this little assembly at All Electronics:
http://www.allelectronics.com/cgi-bi...-45&type=store
which could be enclosed in a dust-proof housing (a cardboard box...).
For 75 cents per axis, it might serve?
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11-10-2004, 03:14 PM #1
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Optical Switch w/Interrupt mechanism
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Dan
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11-10-2004, 03:51 PM #2
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With the moving part built into the switch, is there really any benefit over a mechanical switch?
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