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 ...

L4sBot@lemmy.world · 11 months ago

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 ...

agitatedpotato@lemmy.world · edit-2 11 months ago

Didn’t the soviet union have radio bugs that worked like that? No power of their own and hard to detect but if you blast them with RF they can use some of that energy to turn into small very weak signal transmitters. One of the culprits of ‘Havana sickness’ if I remember.

Found the sauce

https://en.m.wikipedia.org/wiki/The_Thing_(listening_device)

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 ...

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 ...

Innovative wireless light switch could cut house wiring costs in half