lights
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Background: A “three-way light switch” (i.e. two switches that control the same light) is useful when there are multiple places that need to control a single light, such as at both the top and the bottom of a staircase. The issue: Unfortunately, three-way switches are often out of sync with the actual state of the…
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The issue: In many houses, certain rooms—especially kitchens and living rooms—have a half dozen or more light switches that control a wide array of lights and other accessories. Often, even after many years, the house’s occupant never learns which switch is which. Proposal: Instead of just randomly picking a switch to toggle until the correct…

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