Questions tagged [usb]
HARDWARE QUESTIONS ARE OFF-TOPIC. Consider https://superuser.com if you need USB hardware help. USB is an acronym for Universal Serial Bus, a standard for a serial host-to-device protocol defined by the USB Implementors Forum.
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Cannot Duplicate Reverse Engineered USB Commands from Wireshark Using PyUSB on Linux
I'm attempting to reverse engineer a USB HID device with a display on it. It has 4 endpoints (two interfaces), with two endpoints as IN and two endpoints as OUT. I'm duplicating some of the commands ...
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Send APDU command over USB Android Java
I am trying to build plugin for react native that allows me to read data from driver card data, but non stop I am receiving error from data reading.
Here is a code
package com.plainreactnativeapp;
...
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How to turn on or off the LEDs of an USB keyboard?
I am developing an ESP32S3-based device that has to be able to host a standard USB keyboard
The "usb_host_lib" example (https://github.com/espressif/esp-idf/tr ... t_lib/main) works properly ...
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Is there any way to get information about a hardware keyboard connected to an Android device?
I've looked everywhere but can't find an answer specifically for hardware keyboards.
I've tried checking the devices list from UsbManager but it comes up empty.
I am able to detect whether a hardware ...
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How to Retrieve USB String Descriptors from a CDC device in UWP
This is a different angle on the same question posed here. I've been trying to amalgamate advice from here and here, as well as various other places whose links I don't have handy.
I have an embedded ...
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Python: detect regularly disconnecting faulty USB device and reinitialize instance
I have a USB device that sometimes sends serial data through USB port. Issue is that the device is faulty and sometimes for no reason it disconnects and connects again to PC. Not too large of an issue,...
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Bluetooth Neckband Is Not Connecting to my PC [closed]
I am trying to connect my bluetooth neckband to my pc via bluetooth. I am using tp-link USB bluetooth adapter 5.0. When I try to add new device, My PC is not able to detect neither my phone nor my ...
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Unable to create a bootable USB for Windows 11 [closed]
I have been trying to create a bootable Win 11 usb for a new gaming PC but have not been having any luck.
I first downloaded the media creation tool and tried to install it on a usb. It continuously ...
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error during backing up my pc with windows 11 on external drive?
error encountered
I'm trying to back up my Windows 11 system using the Control Panel, but I'm encountering an error (0x800700E1) stating that the operation did not complete because the file contains a ...
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Pairing Linux hiddev file with specific device in .NET C#
On my Linux system I have 2 hiddev files (there could be more in the future):
> ls /dev/usb
hiddev0 hiddev1 lp2
And I have a bunch of USB devices:
> lsusb
Bus 001 Device 001: ID 1d6b:0002 ...
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How to get smart power on working with RPi Pico as virtual keyboard with Lenovo pc
I have a Lenovo m90q which has a smart power on USB port. You can plug a keyboard that supports this in this port and when you press Alt+P on the keyboard, the computer will power on. I have checked ...
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USB connection to Zebra printer in C#
I've been tasked with establishing a USB connection which I can use to send and receive data. More specifically, I need to send ZPL commands to a Zebra Label Printer ZD421 and the whole process needs ...
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USB Communication between android App and PC Using C#
I am trying to interface an android app with a windows PC. The android tablet will act as the slave and the PC has the host. The PC will run a c# windows service, does any know what type of C# is ...
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Win 10 BSOD when USB devices are plugged in guest OS
I have custom HID device implemented on STM32H743. My board is used in 5 different configurations(5 PID/Device).
Environment is Win10 Host OS.VMWare Workstatio Pro + Win7 Guest OS.
All configurations ...
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Uncheck "Allow the computer to turn off this device to save power" programatically in Windows 11
I have several computers with cameras connected to them via USB. I figured that after more than 30 hours of utilization, the cameras would disconnect from the computer. The reason seem to be related ...
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