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After about eight years and a similar failure last year, this came as no surprise: It’s a W5W “parking light” in the same fixture as the melty halogen high-beam bulbs (used as daytime running lights at half power), so it gets toasted on those occasions when we drive somewhere. The adhesive holding the LED strip…
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I tried prying the thing apart, but the snap-together cap has a really aggressive closure.
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Of course, you wash new water bottles before putting them into service.
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Now, that was some Quality Shop Time…
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Don’t put the rings in your pocket, either. Your pants are not a good magnetic shield.
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Because you aren’t on the Tech Committee, you don’t have the password.
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You could substitute any 8051-style microcontroller without much difficulty at all. With a bit more difficulty, you could even use an Arduino Pro Mini.
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None of this triggering circuitry is quite what you want, but it’ll get you started in the right direction…
The Smell of Molten Projects in the Morning 