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Questions tagged [usb]

Universal Serial Bus; an interface standard for connecting computers and electronic devices for communication and charging.

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Running a 5v motor off a desktop usb port

I'm attempting to power a 5v motor using a usb port from my desktop. The issue I'm facing is the port not supplying enough power. Instead of providing stable 5V, it provides a lower amount and does it ...
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Linux USB joystick no output

I'm trying to use an USB dongle which allows you to connect a RC transmitter to use in simulators. It is seen as a joystick by the computer. When I plug it, it seems to be detected. dmesg output: [ ...
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4" cable used in USB 2.high speed compliance testing [on hold]

Why is a 4 inch cable used for high speed testing instead of the max 5m cable used for full speed testing? Is it for impedance matching?
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Power off HW - Restart HW

In a hardware and software project. I write on a USB storage and to take into account the writing, I have to turn off the USB port and after restarting it. In reality, it's not USB storage, but the ...
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Powering External Raid disk via USB

I want to buy external RAID 2.5" drive. I am looking at Lacie Rugged RAID Pro: https://www.lacie.com/www-content/datasheets/pdfs/rugged-raid-proDS1975-2-1805US-en_GB.pdf They state, that it can only ...
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Do Thunderbird 3-to-USB 3.1 Type-C adapters/converters for external hard drives exist?

MSI GE73 7RD Raider has an USB 3.1 Gen 2 Type-C port and 3x USB 3.0 Type-A (no idea about the gen) ports, but no Thunderbolt ports of any kind. My desktop should eventually have an USB Type-C. Not to ...
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Issue with USB device and VirtualBox

I am new to VirtualBox and Linux. My configuration: Host: VirtualBox 5.2.12 on Windows 10 Guest: Xubuntu I have a PYNQ-Z2 board connected via USB to my computer. While in Windows I can see the ...
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USB mouse is not accurate - act like it has a delay

I have B450 AORUS M mother board, RTX2070 gpu and ryzen CPU and fully working USB mouse. Ive tried it with other PC. All drivers (bios etc) are up to date and all other stuff working well. But my ...
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Unexpected response to ATZ when attempting to configure USB modem?

I'm trying to use a Conexant USB modem from a C program. The modem is located at /dev/ttyACM0. In the source code I send the AT, then ATZ to reset the modem. I receive the response: $ sudo ./modem....
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Supplying Power to an ExpressCard USB 3.0 Adapter

I have a ExpressCard USB 3 adapter for my MacBook Pro 17. It is working fine, but it does not seem to be able to properly power my external HDD. The card has a power barrel connection on it, but I ...
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How to limit FPS for UVC gadget (g_webcam)? [closed]

I'm developing an application based on g_webcam kind of template code available at git://git.ideasonboard.org/uvc-gadget.git. I've noticed the FPS setting supplied in the USB device config structures ...
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How can I tell whether my USB C cable is a USB 3.1 cable, a passive Thunderbolt 3 cable, or an active Thunderbolt 3 cable?

I have two Thunderbolt 3 devices that each came with their own Thunderbolt 3 cable, plus another USB-C cable that I'm not sure what it's capabilities are. Is there any way I can determine whether the ...
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USB appears to enter sleep when attempting to format or modify partitions

I have this really odd problem with my Lexar 16GB USB. I've had this USB for possibly 3 years now, and recently I tried to format it with FAT32. When I start the format process, the light on the USB ...
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Device manager code 43 with libusbk driver libary

Hardware: Omnikey 5427 CK scanners. Drivers: libUSB drivers - https://github.com/libusb/libusb/wiki/Windows (I have tried getting help from the mailing list but without any success.) OS: We are ...
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Can't format my 16 gb USB Drive

I've tried to put a mac os dmg file with win32diskimager and it gave me an error, I can't remember the error but since then the USB drive it shows me: There is no media in the device (0 bytes). I've ...

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