I should be able to charge my phone over PoE from my laptop. I don't know why it would have this feature, but it should
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Foone🏳️⚧️ (foone@digipres.club)'s status on Wednesday, 05-Jun-2024 07:52:40 JST Foone🏳️⚧️ -
Foone🏳️⚧️ (foone@digipres.club)'s status on Wednesday, 05-Jun-2024 07:54:44 JST Foone🏳️⚧️ I wonder how many amps you can pull from an expresscard slot?
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Foone🏳️⚧️ (foone@digipres.club)'s status on Wednesday, 05-Jun-2024 07:56:44 JST Foone🏳️⚧️ basically I want to be able to charge my phone from my laptop.
but my laptop's USB ports give so little juice that it basically never can charge my phone -
Foone🏳️⚧️ (foone@digipres.club)'s status on Wednesday, 05-Jun-2024 07:59:53 JST Foone🏳️⚧️ and I don't think I can pull more than an amp or so from any of: mini DP, VGA, or 3.5mm audio.
so that leaves the ethernet and the expresscard
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Foone🏳️⚧️ (foone@digipres.club)'s status on Wednesday, 05-Jun-2024 08:02:58 JST Foone🏳️⚧️ neither of which realistically can push any power. this ethernet doesn't even have PoE support (although it SHOULD), and the expresscard probably is like PCMCIA, where it barely has any power
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Foone🏳️⚧️ (foone@digipres.club)'s status on Wednesday, 05-Jun-2024 08:08:18 JST Foone🏳️⚧️ it looks like the max current from an expresscard is 1.3 amps at 3.3v, or a miserable 4.3 watts.
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Foone🏳️⚧️ (foone@digipres.club)'s status on Wednesday, 05-Jun-2024 08:12:34 JST Foone🏳️⚧️ I'm from the past so I'm offended by 3.3v interfaces.
I'm sure it's only a matter of time before we end up moving to USB 5 which ironically has no 5v
SAVE 5V INTERFACES!
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✧✦✶✷Catherine✷✶✦✧ (whitequark@mastodon.social)'s status on Wednesday, 05-Jun-2024 08:17:25 JST ✧✦✶✷Catherine✷✶✦✧ @massa @foone spec here: https://web.archive.org/web/20120414204800/http://www.usb.org/developers/expresscard/EC_specifications/ExpressCard_2_0_FINAL.pdf
why on earth it is on usb.org i have no idea
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Foone🏳️⚧️ (foone@digipres.club)'s status on Wednesday, 05-Jun-2024 08:17:25 JST Foone🏳️⚧️ @whitequark @massa everything is USB, in spirit
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✧✦✶✷Catherine✷✶✦✧ (whitequark@mastodon.social)'s status on Wednesday, 05-Jun-2024 08:17:26 JST ✧✦✶✷Catherine✷✶✦✧ -
Massa 👽 Humberto (massa@hachyderm.io)'s status on Wednesday, 05-Jun-2024 08:17:27 JST Massa 👽 Humberto @foone I would say "a quarter to half"
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