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.

  • realharo@lemm.ee
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    11 months ago

    Replacing the battery in your light switch is something you do maybe once every 3 years.

    And you can still use your phone as a backup remote.