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That slight mismatch adds to the overall positioning error
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The catch is that the Sherline motor driver box doesn’t include connections for any of the parallel port input pins
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As nearly as I can tell, the tube simply failed at that point, without any external aggravation.
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The snows have retreated and it seems the mice have been busy tunneling in the back yard…
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The switch is, of course, not intended to be repairable, but that’s something of a motivator around here.
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I can’t recall the last time I used a phone book
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This being my second Zire 71, things went smoothly…
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Each one has a brass tube to define the dot and a white plastic diffuser to eliminate hotspots.
The Smell of Molten Projects in the Morning 