interestingasfuck

1319 readers

1 users here now

Please go to !interestingshare@lemmy.zip

founded 1 year ago

MODERATORS

BoozeOrWater@lemm.ee

meldrik@lemmy.wtf

503

The modern "bulb" in a 150-year-old lighthouse. (files.catbox.moe)

submitted 4 months ago by Blaze@reddthat.com to c/interestingasfuck@lemm.ee

37 comments fedilink hide all child comments

Technical details: https://www.sealite.com/lighthouse-led-lights/

you are viewing a single comment's thread
view the rest of the comments

[–] DarkThoughts@fedia.io 11 points 4 months ago (4 children)

Kinda crazy to think about considering that LEDs are so efficient that they typically do not produce any significant heat at the use cases we're used to.

[–] w2tpmf@lemmy.world 17 points 4 months ago (1 children)

The part that emmits the light doesn't produce heat radiation like a incondecent bulb, but the circuits driving them do.

[–] englislanguage@lemmy.sdf.org 4 points 4 months ago

That's not exactly true. The LED itself also emits heat. In most cases, this is more than the driver.

[–] foofiepie@lemmy.world 4 points 4 months ago

/Flashlights enters the chat.

[–] just2look@lemm.ee 3 points 4 months ago

LED bulbs for vehicles also usually have at least a heat sink. Some of them even have a fan or other active cooling.

[–] IMongoose@lemmy.world 2 points 4 months ago (1 children)

I've only seen it in enthusiast level flashlights lol.

[–] shalafi@lemmy.world 3 points 4 months ago

I have a few that will hurt your hand after a bit, and most have a heat cutoff sensor.