sorted by: new top controversial old

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 ... in c/technology@lemmy.world

[-] CBProjects@lemmy.world 7 points 9 months ago

I saw a similar device in a friends new build 3-4 years ago. It used the energy from you pressing the switch to transmit to the fitting.

CBProjects

joined 1 year ago