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It’s not the highest security lock you’ll ever meet
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If you figure -2 mV/°C, then the 150 mV change along the exponential works out to 50 mV per LED and a 25 °C temperature rise
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I should abuse a string of amber LEDs
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Seeing the LEDs line up mostly the same way at 80 mA in both graphs is comforting
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Our back yard serves as a wildlife thoroughfare
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Although this would be a dandy Arduino project, a classic 555 timer makes more sense
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Those fingers should close on the insulation jacket
