
Installed pyusb, still: 'ImportError: no module named core'
Raspberry pi comes with two installations of Python: 2.x and 3.x, but the installation script of pyusb installs the software on version 2.x by default. So when we try to use it in version 3.x the error: …
How to program a USB device with Debian/Python
Apr 19, 2016 · The specific application I have in mind is a JMRI type system to access a model railroad DCC controller interface (eg. such as the Digitrax PR3). But that is way too specific for this site! The …
trying to do the project musicfig problem with python-usb
May 14, 2024 · sudo apt-get -y -qq install python-usb mpg123 I tried to install either libusb or pyusb manually but I always end with the same message. I'm lost on how to solve this issue. I'm using a …
pyusb: scanner insufficient permissions - Raspberry Pi Stack Exchange
Jun 21, 2018 · UPDATE: I added a symbolic link to my .rules file and it is being created every time I unplug/plug the scanner. I believe my issue is more of a permissions issue with my Python code and …
pi 4 - weird USB behaviour - Raspberry Pi Stack Exchange
Oct 1, 2019 · What USB device class does your printer have? Did you add your user to the relevant group, e.g. lp, tty or dialout?
How do I reset a USB device using a script?
I have a USB GSM modem that does not alwasys work property (Huawei E367u-2) Sometimes it gets reset (USB device disconnect/reconnect in logs) and when it comes back up, it's has different ttyUSB …
From python, can I interact with any HID device?
Aug 2, 2013 · Can I interact with essentially any HID device from a Pi? (displays, controllers, etc) ? If so, is there a python example out there that shows reading from hid?
usb.core.USBError: [Errno 13] Access denied (insufficient ... - raspbian
May 5, 2018 · I am running Rasbperry pi and have the pyusb module installed. The printer is Bus 001 Device 004: ID 0fe6:811e Kontron (Industrial Computer Source / ICS Advent) Parallel Adapter, and …
pi 4 - Handling of USB connection breaks in Python3 - Raspberry Pi ...
Mar 21, 2023 · I have USB connection from RPI4 to Pico, usually occupying ttyACM1, but occasionally after connection break/boot it may get values ACM2 or AMA0 I am trying to build an automatic …
raspbian - How can I detect if specific USB port is being used, and ...
Oct 30, 2014 · I've already downloaded PyUSB, and I tried coding but it doesn't work because the only way I figured out how to detect if something is connected to the port is by identifying the idVendor …