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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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The sine wave pattern comes from a totally cargo-culted Imagemagic invocation
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Engraving the pattern at 100 mm/s makes each bar 10 ms wide
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The L-AN terminal produces an equivalent analog signal
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I have yet to see a PWM frequency spec for any HV laser power supply
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I just cut it apart
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And they want me to trust them?
The Smell of Molten Projects in the Morning 