this post was submitted on 02 Aug 2025
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That's the question. When cooking and then pouring the water into the sink, for 10 seconds the lights on the counter turn on. These lights are usually broken and refuse to turn on manually. The lights are a strip of little LED bulbs glued on the cupboard .

i have a theory but i am not an electrician

EDIT : case solved by GIGACHAD (that's his nickname)

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[–] reddig33@lemmy.world 101 points 2 days ago* (last edited 2 days ago) (3 children)

You’ve got an IR sensor somewhere that is supposed to turn the lights on when it senses a person’s presence. The heat from the boiling water is tripping sensor.

I have a similar sensor in my faucet. It always turns the faucet on when I pour boiling water into the sink.

That’s my guess anyway.

[–] NeatNit@discuss.tchncs.de 65 points 2 days ago (1 children)

Of the answers I've seen this is the one that makes most sense.

Of course, the real answer is that the sink is haunted.

[–] Onomatopoeia@lemmy.cafe 7 points 2 days ago

Shhh, we're not supposed to talk about it

[–] expatriado@lemmy.world 18 points 2 days ago* (last edited 1 day ago) (1 children)

since the light only turns on after introducing a warm inanimate object , this means op is cold blooded lizard people

[–] SkaveRat@discuss.tchncs.de 5 points 2 days ago

nah. OP is just too cool for light.

Probably even wears sunglasses at night.

[–] wizzor@sopuli.xyz 7 points 2 days ago

Some LED strips intended for kitchens have a feature where you can place your palm on the strip to turn it on or change the brightness. This sort of thing is usually achieved with backscatter IR, which may also be triggered from water vapor. Try pushing your hand against the ends of the strip to invalidate this hypothesis.