this post was submitted on 27 Sep 2024
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Microblog Memes

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[–] Kusimulkku@lemm.ee 10 points 6 days ago

USB A to C is pretty standard

[–] echodot@feddit.uk 3 points 6 days ago

I'm not quite sure what the complaint here is? USB is a standard, and the problem was that we didn't have the standard installed. The fact you've got a slightly different version of the standard is a simple problem to solve by owning a cheap cable.

In fact it's literally the same as having USB-C on both ends, since it's still only the one cable. A to C, or C to C, it makes no difference

[–] jlh@lemmy.jlh.name 173 points 1 week ago (5 children)

Plugging into a random usb port is bad security

[–] halcyoncmdr@lemmy.world 85 points 1 week ago (7 children)

Not really bad if you use a power-only cable. If the data pins aren't even wired up, can't move anything other than power.

Not sure if that works with USB-C at anything other than legacy 500mA power draw though, probably not since the device can't communicate for what it supports.

[–] aeronmelon@lemmy.world 69 points 1 week ago (1 children)

If your device has good software, it will only allow power unless you authorize a data connection.

[–] turmacar@lemmy.world 63 points 1 week ago (1 children)

* Assuming there is no bug, zero-day, or other vulnerability on the current version of your fully updated device.

Having a power-only cable removes that as a possibility.

[–] mitchty@lemmy.sdf.org 17 points 1 week ago (2 children)

Still gotta worry about stuff that could send a ton of current to fry the ports too. USB condoms can help here too but your own power adapter is best.

[–] frezik@midwest.social 14 points 1 week ago (1 children)

Ton of voltage. You push voltage and pull current.

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[–] daniskarma@lemmy.dbzer0.com 30 points 1 week ago (1 children)

Now if only usb cables were labeled like Ethernet cables.

It amazes me how given the complexity of the USB specifications, where everything looks the same but it is not the same, nothing is ever labeled.

[–] seaQueue@lemmy.world 11 points 1 week ago (2 children)

Some things are but the labelling is stupid and tiny. Many laptop ports are labeled but people aren't familiar with the icons (and the icons are often confusingly similar)

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[–] shinratdr@lemmy.ca 15 points 1 week ago (1 children)

A power only USB-C cable is a violation of USB spec, has to be USB 2.0 at the least.

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[–] Bangs42@lemmy.world 17 points 1 week ago (2 children)

There has never been a proven case of juice jacking, anywhere, ever.

[–] myplacedk@lemmy.world 15 points 1 week ago

But I have seen multiple phones get harmed by a really bad charger. Although these chargers were not for public use.

Still, it's not a bad idea to bring a power bank. And then charge that, if you need to.

[–] absentbird@lemm.ee 13 points 1 week ago* (last edited 1 week ago) (1 children)

At least that's what the juice jackers want us to think.

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[–] Treczoks@lemmy.world 139 points 1 week ago (16 children)

That's what USB-A to USB-C cables are for. Most of those outlets don't provide any fast charging anyway.

[–] Flocklesscrow@lemm.ee 46 points 1 week ago (2 children)

Faster than nothing at all tho

[–] seaQueue@lemmy.world 19 points 1 week ago

So you plug an A to C cable into them (or hang an A to C dongle off the end of your usual cable) and charge from them.

[–] chiliedogg@lemmy.world 11 points 1 week ago (2 children)

I still run across them that charge at 1.0 speeds. I'm pretty sure if my phone isn't turned off they can't actually keep my phone from dying at idle.

[–] oatscoop@midwest.social 1 points 6 days ago

My car had USB for Android Auto and it barely provides enough enough power to maintain my phone's charge while in use.

Thankfully wireless charging makes that an easy problem to bypass.

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[–] IrateAnteater@sh.itjust.works 109 points 1 week ago (3 children)

Has this guy somehow not learned of type A to type C cables?

[–] Darkassassin07@lemmy.ca 48 points 1 week ago (4 children)

It's not so much the connector; but the power delivery standard.

Type A maxes out at 5v 3a = 15w and is often limited closer to 5v 1a = 5w for public-use charging ports.

Type C and its power delivery standards can get as high as 50v 5a = 250w (though usually closer to 20v 5a = 100w)

Then again.... The negotiation for what voltage/amperage to supply happens over the data lines which you don't want connected on a public charging port...

I dont really see a good solution here.

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[–] mholiv@lemmy.world 81 points 1 week ago (4 children)

Idk. Like all the usb ports were capped at like 5v 1a with shorted data lines. I always used my own charger just because it would take 6 hours to charge my phone using the built in usb plug.

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[–] RestrictedAccount@lemmy.world 46 points 1 week ago (2 children)

I still see these in the gym!

[–] MIDItheKID@lemmy.world 12 points 1 week ago

I was looking to book a hotel recently and one of the hotels listed "Every room equipped with iHome radio dock" as an amenity.

What year is it?!

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[–] Imgonnatrythis@sh.itjust.works 41 points 1 week ago (2 children)

As an anarchist I'm so glad we also made the word universal useless by making all kinds of different power and data transmit standards that ports and cables may or may not support. As a Satanist I also love that there is no system for labeling anything to know what cable will support what protocol.

[–] derpgon@programming.dev 25 points 1 week ago

We do, we just decided not to label anything.

[–] Madison420@lemmy.world 17 points 1 week ago (1 children)

The bus is universal, the port is standardized but not universal.

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[–] yetAnotherUser@discuss.tchncs.de 32 points 1 week ago (9 children)

That's why USB ports are always worse than a proper outlet. Just take your charging brick with you, what's the problem?

[–] OsrsNeedsF2P@lemmy.ml 29 points 1 week ago (3 children)
[–] NABDad@lemmy.world 54 points 1 week ago (3 children)

You've got to start traveling with one of these bad boys:

[–] Dicska@lemmy.world 2 points 6 days ago

Once you flip it, everyone gets envious on the plane.

[–] Flocklesscrow@lemm.ee 14 points 1 week ago

When you're advanced, you carry two: one powers your stuff, and the other is for your karaoke machine.

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[–] johannesvanderwhales@lemmy.world 12 points 1 week ago (6 children)

USB ports on a wall outlet or power strip are usually much more space efficient than a charging brick.

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[–] MystikIncarnate@lemmy.ca 17 points 1 week ago

Yeah. This is the problem with trying to enforce standards on industries that historically move at glacier speed, with standards used by tech moving at breakneck speeds.

The only happy part of USB-C in this context is that, at least right now, the USB-C connector doesn't seem to be going anywhere anytime soon, so if things get updated to USB C, we should be okay for a while.

Personally, I carry a whole assortment of USB cables with me everywhere. C-to-C, A-to-C, even A-to-lightning, and A-to-microB. I don't use an iPhone, nevermind one that needs a lightning cable. And I have moved away from most accessories that require micro.

I also have a power brick in my pack with the cables, it's a GaN power brick from Anker, with over 100W of output, two USB-C outputs, and one USB-A. At least one of the type C ports supports enough power output to charge my laptop, the other USB C port for my phone, and the USB A port for anything else that might need it. I don't recall the exact power capacity of it, but if memory serves, it will take 100-240V, 50-60hz AC input, so at most, I just need to get one of those cheap converters for the receptacle type used wherever I may find myself.

I work in tech, so being without power is a huge problem. My work laptop also takes USB C for charging, so I don't need to have two power bricks with me. I usually have both, but I don't need to have both.

As long as there's power available and is sufficiently clean and stable, I'm good. I have a few accessories that are not USB C compliant, some have USB C ports but won't trigger a proper USB C charger to deliver any power, which is why I have USB A to C cables, and there's two devices I have that uses a proprietary cable (a Bluetooth headset and my smart watch), which I've obtained spares for which I keep one charging cable at home and one in my kit. My kit also includes a USB A/C power bank. It's not powerful enough to charge my laptop, but it's fine for everything else.

USB C has simplified the cables I carry. I still have a few odds and ends for edge cases, but for the most part, I'm okay with it.

My only big issue with USB C at this point is that it's not just for power+usb data anymore. It's thunderbolt, and display port, and... Ugh. So many things using the same connector that I don't know what will work anymore when I get to a new device, because though it looks like USB C, it might be USB C QC, or PD, or thunderbolt, or display port, or....... FML.

[–] independantiste@sh.itjust.works 15 points 1 week ago (1 children)

USB-A ports have been outdated since at least 2017, when it started seeing very widespread use. It's everyone else that's late

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[–] Infynis@midwest.social 15 points 1 week ago (4 children)

Worth it though. USB-C is way better

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[–] Kraven_the_Hunter@lemmy.dbzer0.com 13 points 1 week ago (2 children)

I have a piece of furniture with a snap in power station and it probably has USB 1.0 ports on it. I don't care how cool the tech is, if you're trying to incorporate it into a long lasting product like furniture, it really needs to be a standard module that is easy to upgrade. Mine snaps out but I have no idea if an updated version exists anywhere because there's no standardization and this furniture company doesn't show anything on their website.

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