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Of late, the magnetic stirrer mixing my morning cocoa occasionally doesn’t start spinning when I turn it on, which calls for some investigation. Removing the four obvious screws concealed under the rubber feet and prying off bottom cover reveals the trivial innards: The speed adjustment pot holds the little circuit board in place, with the…

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I doubt the tape will prove to be a permanent fix
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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…