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ArjinFerman  Tinfoil Gigachad  1d ago (text post)   209 thread views

Tinker Tuesday for November 5, 2024

This thread is for anyone working on personal projects to share their progress, and hold themselves somewhat accountable to a group of peers.

Post your project, your progress from last week, and what you hope to accomplish this week.

If you want to be pinged with a reminder asking about your project, let me know, and I'll harass you each week until you cancel the service

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What about USB4? Theoretically, it should support PD in one direction and DP/HDMI in the other direction.

USB specifications are an absolute clusterfuck. USB4 does not mandate any level of PD support, USB-the-cable-spec requires only 500 mA at 5v, and devices that support USB4 don't have to guarantee DisplayPort Alt Mode (which runs almost all USB->DisplayPort and USB->HDMI interface; there is an HDMI Alt Mode spec but I have literally never seen anyone promising to use it, nevermind any actual products that use it) on every (or even any) interface.

If you were buying a specific television for this specific purpose, you might be able to get it to work, but at least from a quick google, I wouldn't want to bet on even that. Nearly everything I could find in a quick google was marketed as a monitor and capping out around 40". It's easier to find MHL televisions, despite the spec being nearly dead, than USB-DP televisions.

USB specifications are an absolute clusterfuck.

At least they have counting down to a science:

  • USB 1.0 (A, B)
  • USB 1.1 (A, B)
  • USB 2.0 (A, B, Mini-A, Mini-AB, Mini-B)
  • USB 2.0 Revised (A, B, Micro-A, Micro-AB, Micro-B)
  • USB 3.0, 3.1 Gen 1, 3.2 Gen1x1 (A SuperSpeed, B SuperSpeed, Micro-A SuperSpeed, Micro-AB SuperSpeed, Micro-B SuperSpeed)
  • USB 3.1 Gen 2, 3.2 Gen 2x1 (A SuperSpeed, B SuperSpeed, ... , Type-C)
  • USB 3.2, 3.2 Gen 2x2 (Type-C)
  • USB4 (Type-C)
  • USB4 2.0 (Type-C)

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