I found it at the dollar store.

  • @kuneho@lemmy.world
    link
    fedilink
    19 months ago

    I had an old Medion digital camera that used USB-A - USB-A cable for synching with PC.

    This could be a shorter version of it, tho idk why would anyone use this for thus purpose, would be awkward

        • @XTornado@lemmy.ml
          link
          fedilink
          7
          edit-2
          9 months ago

          They are good for wifi/bt/radio usb receivers used for keyboard/mouse/gamepads…so they can be in a better place like higher or further.

            • @XTornado@lemmy.ml
              link
              fedilink
              2
              edit-2
              9 months ago

              Yeah… honestly somehow I missed the female-female part 😂 I thought it was male-female.

              Well then it’s used in combination with a male male for sure otherwise yeah O don’t see any use unless there is some weird device with male input.

    • Ook the Librarian
      link
      fedilink
      23
      edit-2
      9 months ago

      Or turn 2 extension cords into a long one.

      But a serious answer is that these are sometimes sold in a kit of adapters that would let you change the head. Most kits like used a normal cord as the base cord, but some used USB extension cords as the base cord. So this is meant to be a replacement part, not useful in its own right.

  • slazer2au
    link
    fedilink
    09 months ago

    So you have 2 USBC devices you want to connect together, a laptop and a phone for example, but for some reason you can’t find your USBC to USBC cable but you do have 2 USBC to USBA cables.

    Well by breaking the USB specifications you can connect the 2 cables together to make a janky USBC to USBC cable.

    Alternatively you can get single circuit boards with USBA ports on them and you can use this jank of an adaptor to link them together.

  • @Z4rK@lemmy.world
    link
    fedilink
    English
    529 months ago

    I’ve used them for extension, as it allows you to attach a second, regular USB cable to it.

    • @LesserAbe@lemmy.world
      link
      fedilink
      89 months ago

      Not that you probably need to know this, but for some other stranger: there’s a max functional length to USB cables. At work I remember pulling my hair out troubleshooting a printer until we swapped cables for something shorter.

      • @DaPorkchop_@lemmy.ml
        link
        fedilink
        69 months ago

        That said, there are “active” USB extension cables which draw current from the power lines and use it to boost the signal along the data lines

      • Polar
        link
        fedilink
        29 months ago

        Meanwhile I have 25ft cables running my large format vinyl printers lol

        • @sysadmin420@lemmy.world
          link
          fedilink
          29 months ago

          My large format vinyl printer uses Ethernet. TIL there are USB vinyl printers. What kind of printer do you have? Latex 260 here

          • squiblet
            link
            fedilink
            19 months ago

            We had a 53" US Cutter and it attached to the computer by USB. If we’re talking about the same thing.

            • @sysadmin420@lemmy.world
              link
              fedilink
              1
              edit-2
              9 months ago

              He said printer though that’s what’s what threw me off. That’s a cutter. My bad I thought he was talking about a USB large format printer, I only replied because I’m looking for a slightly smaller printer for my smaller decals, and I’d be interested in a serial or USB printer.

              My PC is in the basement and I’ve got USB and serial going everywhere running different cutters, 3d printers, CNC, etc upstairs and down, also in the garage. Works great.

      • @BigDanishGuy@sh.itjust.works
        link
        fedilink
        99 months ago

        And that max length goes down with each coupling.

        We have smart boards in most classrooms, but in an entire wing of my department the smart board doesn’t work. Reason? When we built the wing, 8 or 10 years ago, the installers fitted their own low grade plugs on the USB connection for the boards, before figuring out that they snipped the cables too short. Instead of running new cabling the installers then introduced another extension.

        Nobody cared to check it out before accepting delivery and my complaints went unheard by management, until it was too late to RMA it.

    • iAmTheTot
      link
      fedilink
      149 months ago

      Well, what do you mean by “regular”? The cable would need to be female on at least one end, which I usually see in… USB extension cables.

  • @Rand0mA@lemmy.world
    link
    fedilink
    11
    edit-2
    9 months ago

    Get 2 laptops, put them side by side with usb ports wide open and plug them bitches together. Likely will short with 5v being fed both sides.

    But in reality its a usb coupler (plugging together 2x usb extension cables). Not a great lot of use from them in my opinion. I’ve seen shit bodged together in low budget it offices using edge case crap like this.

  • @sounddrill@lemmy.antemeridiem.xyz
    link
    fedilink
    English
    99 months ago

    Many cheapo sata connectors need a cable like this(I use a male A to female micro b and then a female micro b to male A, it gets the job done)

    But connector, idk

  • Kalash
    link
    fedilink
    15
    edit-2
    9 months ago

    To connect two USB-A ports.

    Basically the same as a USB-A to USB-A cable, just really short.

    • @BorgDrone@lemmy.one
      link
      fedilink
      99 months ago

      USB-A to USB-A cables do not exist, the USB standard does not allow them, if you have a cable with two USB-A connectors then it’s not actually a certified USB cable. The same goes for USB extension cables and this adapter. Note how there isn’t a ‘USB certified’ logo on the package.

      • squiblet
        link
        fedilink
        19 months ago

        It’s not hard to imagine a product that would require one, though. It’s how every phone charging cable works, just with a different size male USB on one end.

        • @BorgDrone@lemmy.one
          link
          fedilink
          0
          edit-2
          9 months ago

          It’s how every phone charging cable works, just with a different size male USB on one end.

          No, it’s exactly not how every phone charging cable works, at least not for non USB-C cables.

          Pre-USB-C cables are explicitly unidirectional. In USB there are ‘hosts’ (usually computers) and ‘devices’ (flashdrives, camera’s, mice, keyboards, etc.). The host side always has a female USB-A connector, a device either has a female USB-B connector (if it’s intended to be used with a cable), or a male USB-A (if it’s intended to be plugged in directly into a host, like a flash drive). A real, standard-conformant USB cable can only go from USB-A male to USB-B male (with the addition of USB-C, it can also go from A-to-C, from C-to-B, or C-to-C). Never A-to-A or B-to-B, extension cables (male to female) of any type, A, B or C, are not allowed either.

          USB was specifically designed like this so you can never connect a device to a device or a host to a host.

          On the host side, you pretty much only see full size USB-A ports. On the device side there are 3 common types of USB-B ports: standard size (you can for example see these on printers and scanners), mini-USB-B used a lot on older phones, and later micro-USB-B. On each side the male part is on the cable, the female part is on the host or device.

      • BigBangFieri
        link
        fedilink
        19 months ago

        They do exist, despite the USB standards not allowing them

        See: cheapo video capture card for work, other side is just HDMI-IN and OUT

        They shouldn’t exist but don’t mean they don’t when you get the cheapest little devices you can find

        • @BorgDrone@lemmy.one
          link
          fedilink
          -4
          edit-2
          9 months ago

          They do exist, despite the USB standards not allowing them

          A USB cable is a cable that conforms to the USB specification. If a cable does not conform to the USB specification then it isn’t an USB cable by definition

          I’m not saying a cable with 2 USB-A style connectors doesn’t exist, I’m just saying that it is not a USB cable. Just like a glass of Pepsi is not a glass of Coca-Cola even though it may look like one.

      • Kalash
        link
        fedilink
        149 months ago

        USB-A to USB-A cables do not exist

        wtf are you talking about, of course they do.

      • @DrQuint@lemm.ee
        link
        fedilink
        3
        edit-2
        9 months ago

        USB-A to USB-A doesn’t exist

        *looks at old charger from an American device*

        HOLY SHIT A CRYPTID CALL SCP

      • @SpaceNoodle@lemmy.world
        link
        fedilink
        15
        edit-2
        9 months ago

        The cables exist; they just don’t follow the standard. I’ve used them when developing consumer electronics: the host controller on the device switches to device mode in the bootloader, allowing a host machine to connect and debug/flash the device.

      • @guidedlight@lemmy.world
        link
        fedilink
        39 months ago

        USB-A to USB-A cables do exist.

        I have seen many (very cheap) peripherals use USB-A sockets. I figure those sockets must be a few cents cheaper than alternatives.

          • @ninjan@lemmy.mildgrim.com
            link
            fedilink
            39 months ago

            China stuff loves to slap logos on there that do not apply, so probably without having seen this particular abomination myself. Fake CE markings are super common though.