this post was submitted on 05 Dec 2023
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Researcher has developed, at a cost of less than one dollar, a wireless light switch that runs without batteries, can be installed anywhere on a wall and could reduce the cost of wiring a house by ...::A U of A engineering researcher has developed a wireless light switch that could reduce the cost of wiring a house by as much as 50 per cent.

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[–] jordanlund@lemmy.world 2 points 1 year ago

Or folks like me who have an all cinderblock exterior.