this post was submitted on 05 Aug 2025
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[–] Zak@lemmy.world 33 points 2 days ago (3 children)

If you mean a USB-C port in general, they can be made waterproof. If you mean something specific to putting one in the most compact form factor possible, that might be true.

[–] fmstrat@lemmy.nowsci.com 3 points 1 day ago

That kind of waterproofing wears over time (years). It keeps it's resistance, but not a submersible seal. Watches have longer use years than phones on average.

[–] roofuskit@lemmy.world 16 points 2 days ago* (last edited 2 days ago) (1 children)

And that requires more space than a typical port. In a compact device that is difficult. A flashlight is literally one of the simplest electronic devices there is and bulk is often a plus for comfort.

[–] Zak@lemmy.world 7 points 2 days ago (2 children)

A flashlight is literally one of the simplest electronic devices there is

You might be surprised at everything going on inside a modern flashlight. I'll grant that it's probably easier to find room for extra seals around the port than in a smartwatch though.

[–] roofuskit@lemmy.world 9 points 2 days ago

Still not nearly as complex or compact as a smart watch. A little microcontroller versus an arm processor.

[–] cmnybo@discuss.tchncs.de 4 points 2 days ago (1 children)

A switch mode LED driver can be made very tiny with as few as 4 components. Battery protection and a single cell battery charger can also be very simple.

[–] vaionko@sopuli.xyz 4 points 1 day ago

Then again my flashlight has a microcontroller with open source firmware on it

[–] jonathan@piefed.social 4 points 1 day ago

They can be waterproof but are also non functional until the water is fully cleared from the port.