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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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A four-inch length of adhesive-backed Genuine Velcro mates the battery to the rack
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The cells are labeled Sony Energytec, which ought to be a reputable brand name.
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If you’re really clever, you’ll angle the notch so the wire folds backwards and holds itself snug.
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I wondered if a touch of G-Code could do the same thing on my Sherline CNC milling machine, using an ordinary end mill…
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Which one is correct?
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Just in case, I wrecked the threads to keep the nuts from walking off the end, too.
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The spellchecker doggedly attempts to make sense out of that gibberish.