All Questions
260 questions
0
votes
0
answers
615
views
converting raspberryPi4 to a USB UVC device mimicking a USB camera
I have a raspberyPi4 with Raspabion OS (Debian Bullseye) in it and i am willing to convert it to a USB-UVC device mimicking a USB camera so that whenever i connect it the host machine(PC in this case) ...
2
votes
0
answers
42
views
Ep in and out files not being created when trying to emulate a USB device using libcomposite on Raspberry Pi 4
I'm using the following to set up and emulate a usb device:
modprobe libcomposite
cd /sys/kernel/config/usb_gadget/
mkdir -p g1
cd g1
echo 0x1430 > idVendor # Linux Foundation
echo 0x0150 > ...
2
votes
0
answers
715
views
Cannot SSH to headless RPI Zero W via USB
I am unable to access my RPI Zero W v1.1 with SSH through USB.
I'm using a fresh install of the RPI OS Lite 32 bit version through the official Imager (1.7.4), with a custom username/password, custom ...
-1
votes
2
answers
965
views
Exchange data between two Raspberry Pi 4 using USB-A cable
I have 2 Raspberry pi 4 and I want to exchange data from the first Raspberry pi 4 to the second one using USB-A cable. How can I do this, anyone tried this?
1
vote
1
answer
881
views
RPi 4 not recognising M2 drive in argon case
I have a raspberry pi 4b, which has been booting happily off an external usb-connected ssd. I have now put it into an Argon ONe case, with an MD SSD, and it will not recognise the M2 drive at all as a ...
0
votes
1
answer
729
views
Can I fix the port for USB devices in raspberry pi?
I have a raspberry pi and two QR code scanners, scanner1, and scanner2, I want to connect both scanners with the raspberry pi but at specific ports. Rasberry pi has four USB ports 1, 2, 3, and 4 ...
0
votes
0
answers
267
views
Why can my Pi not "detect" my 3D printer, but my laptop can?
Printer mainboard: BTT SKR mini E3 V3.0 running klipper firmware
https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3
Long story short, I accidentally powered on my 3D printer while unplugging the ...
1
vote
0
answers
770
views
RPi4 doesn't show `tty/USB` for a USB connected camera
I have an RPi camera and a USB camera connected to my RPi4.
lsusb:
pi@raspberrypi:~ $ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0c45:636b Microdia
...
1
vote
0
answers
2k
views
Raspberry pi 4 USB 3 ports not working
i experienced some serious problems with my Raspberry Pi 4 regarding my USB 3.0 ports.
I was using the raspberry as a server (torrents, ftps, http etc...).
To store the data i opted for a 1Tb usb hdd ...
0
votes
1
answer
1k
views
How to connect USB CDC devices?
I have a Zebra MC3300XR SERIES RFID reader that support USB CDC, how can i read the scanned RFID programmatically in the raspberry pi? is it possible?!
0
votes
1
answer
787
views
CM4 USB connection issues
We have rolled our own board for the CM4 and the problem occours when connecting an UMTS stick (Huawei E3531 HiLink) to USB. The CM4 starts to disconnect and reconnect the stick continuously.
This ...
0
votes
1
answer
109
views
Raspberry Pi doesn't recognize HP PSC 750xi Scanner
I have an old Pi-3 running Stretch. I have what apt-get install tells me is the latest version of everything installed. I plug in an old HP PSC 750xi All-In-One USB printer/scanner. The Pi recognizes ...
0
votes
0
answers
2k
views
Very slow USB flash drive on Raspberry Pi 3B+
Here are a few tests with an older Verbatim micro SD-card and the flash drive.
# write speed test:
sudo dd if=dev/zero of=temp.txt bs=1M count=1024 oflag=direct
# Read speed test:
sudo dd if=temp.txt ...
1
vote
1
answer
492
views
Issue mounting a 1TB hard drive
I am turning my RPi into a Plex server. I have connected the drive using a powered USB hub, and the output from
sudo fdisk -l returns with this on the end:
Disk /dev/sda: 931.5 GiB, 1000204884992 ...
0
votes
0
answers
35
views
Why does usb enumeration create a bogus device in /dev and how do I get rid of it?
I have a USB modem that sometimes enumerates wrong and creates a false device in /dev. How do I remove that bogus device ? How do I force renumeration without rebooting ?
When the modem works ...
0
votes
0
answers
169
views
How to change the Menu Icon in Raspbian - no browse button in taskbar menu icon
[![this is an example of what i deal with, idk how to take screenshots in my raspberry][1]][1]
[1]: https://i.sstatic.net/Xk7ru.png
i don't have a browse button, i can only type stuff there like start-...
1
vote
0
answers
382
views
Android device not detected when connected to rpizero before boot
I'm working on a project in which a RPi Zero (raspibian buster) controls an android phone by sending commands via adb.
Everything works correctly if I connect the device once the RPi Zero has done the ...
0
votes
1
answer
212
views
First Raspberry Pi 4 setup using a USB memory via Ethernet
It is my first time Raspberry Pi use, I prepared the Raspbian OS on a USB memory, using Ethernet connection shared from a laptop, but it always failed by pinging or via putty.
I tried with both: ...
-1
votes
1
answer
442
views
Raspberry Pi Compute Module 4 - USB
I am using the Raspberry Pi Compute Module 4 & referring to the Raspberry Pi DataSheet.
Here I found that the Compute module has only one USB port.
I would like to use multiple USB ports & I ...
0
votes
1
answer
635
views
Rsync and copy errors between two hard disks on raspberry pi 4
I have a Raspberry PI 4 (4GB) with raspbian OS lite installed.
I am trying to copy data from one hard disk to another and every time the transfer fails after copying few files and the drives are ...
0
votes
1
answer
770
views
USB Pen Tablet not working on a Raspberry Pi
I'm using a Raspberry Pi 3 Model B with headless Rasbian OS [terminal only] to connect to Parsec and technically use it as a "thin client" to Parsec by just running parsec command from the ...
0
votes
1
answer
835
views
Why Interface wifi Change every reboot?
I connected a wifi adapter, I have a different connection configuration for each one but when restarting the interfaces change,
wlan0 -> internal wifi, wlan1 -> external wifi
After reboot:
wlan1 ...
0
votes
1
answer
79
views
How do I make my Raspberry Pi act as a wireless USB controller? Not over the same network but remotely using a 3G/4G & LTE Base HAT [closed]
I am trying to download data from a USB based device remotely. i.e. Using a WiFi dongle or 3G/4G & LTE Base HAT.
Am I able to install a driver for a WiFi dongle or 3G/4G & LTE Base HAT on an ...
0
votes
1
answer
4k
views
Failed to start Load Kernel Modules on boot
I have problems starting my raspberry running raspian. I get a
[ 55.174742484] systemd[1]: Failed to insert module 'ipv6'
[FAILED] Failed to start Load Kernel Modules.
Sooo little bit of ...
0
votes
1
answer
445
views
Raspberry Pi USB Joystick Not Working Immediately After Bootup
I am using a Raspberry Pi4 with a USB Logitech Extreme 3D joystick. I have a Python 3 application using the evdev library to read the joystick which works fantastic, however, when I first boot the pi, ...
1
vote
1
answer
2k
views
Is it possible for a Raspberry Pi Zero to act as both a Usb Gadget and a Usb Host?
I am currently working on a Raspberry Pi project, and found an amazing feature that I used many times on my LineageOs phone: Usb Gadget.
I figured I could change the function of the Usb port to act as ...
1
vote
0
answers
409
views
Lost connection to USB device through USB hub
After some physical interference, like moving a bit the USB cable connecting the USB Ethernet card to USB hub, it looses connection -- it's no longer visible in the system, despite the green diode is ...
2
votes
0
answers
383
views
Debug OTG on RPI 4 for g_midi?
I tried to set a RPI 4 in OTG device mode
I added dtoverlay=dwc2 to config.txt
I modified the cmdline.txt so it launches wc2 & g_midi
I tried ,dr_mode=peripheral too
I just tried replacing ...
0
votes
1
answer
3k
views
Unable to read serial port with python script but can write [closed]
I have a microcomputer that is initiated from a pico terminal script establishing a ttyUSB0 and baudrate. The micro is programmed only to respond to a small list of alphanumeric inputs. Enter x into ...
1
vote
1
answer
5k
views
Booting from SSD on Raspberry Pi
Recently got a Raspberry Pi 4, and want to configure it to boot from a SSD I have.
I am new to linux, so I may not be doing this right, but I have followed instructions on several guides I found ...
2
votes
2
answers
799
views
Raspberry doesn't recognize me disconnecting a USB device
I have a Raspberry Pi with an Amazonbasics 10-port USB hub which has a PPPS (port per port switching) function, basically, it can turn off power to any power via a tool called uhubctl.
When I use ...
0
votes
0
answers
46
views
USB Soundcard: 2nd configuration doesn't show up on Raspbian, but does on MacOS, Ubuntu on a laptop, and Windows. Is this a hardware issue?
I'm trying to get the USB soundcard embedded in a DJ mixer (Allen & Heath Xone23C) to play nice with a Raspberry Pi for the sake of using it with XWAX, an open source dj software. The problem is, ...
0
votes
0
answers
782
views
Devices are invalid in File Manager
I have a Raspberry Pi 4 with Raspbian
I have 2 questions related to not valid drives in File Manager.
Question 1,
I have a device in File Manager menu GO->DEVICES Y032V. This device when clicked ...
-1
votes
1
answer
182
views
Is it safe to connect a 12V and 0.25A fan to Raspberri Pi 3 B via USB port
If it is safe to connect a 12V fan via usb to the Rpi3 then can you also tell is it feasable to code in python to control fan via USB that is to switch it on and off.
Please do help as soon as ...
1
vote
0
answers
116
views
Getting PC hardware info through pi zero
I am trying to get some info about the hardware on my PC through my pi zero for example CPU temperature and RAM speed etc. I have connected my pi zero through a single usb cable into my PC (I am able ...
-1
votes
1
answer
1k
views
Can raspberry pi 4 B boot from 256 GB SSD that uses USB adapter? [closed]
I installed raspbian on the Samsung Evo 860 256GB SSD. The SATA adapter and did not power up when I plugged it into the raspberry USB port. I think that its the power supply. Raspberry 4 B may not ...
0
votes
1
answer
966
views
How make Raspbian boot faster from USB-stick (without SD-card) on a Raspberry pi 3 B+?
I already did things like disabling WiFi, Bluetooth, etc. but my gut tells me, there should be some USB-specific settings, which can make the pi boot faster. I am interested in these settings.
My ...
1
vote
2
answers
2k
views
Read USB RFID via tty1 in Python very unreliable
I have an RFID reader (Neuftech USB RFID Reader, https://www.amazon.de/Neuftech-Reader-Kartenleseger%C3%A4t-Kartenleser-Kontaktlos/dp/B018OYOR3E) that attaches via USB. Via /var/log/syslog I found out,...
2
votes
1
answer
1k
views
Unable to work around Raspberry PI 4/4GB USB issue
I've recently acquired a Raspberry Pi 4/4GB, which I'm planning to use in place of a failed motherboard/GPU in an old 24" iMac, re-using only the display, PSU, fans and speakers.
Initially, I'm at ...
4
votes
1
answer
2k
views
USB ports heavily lag or disconnect completely
We have a Raspberry Pi 4B running Raspbian as a lightweight management console. (A cost effective way of managing network devices over RS232 and such.)
I've noticed some problems with the USB ...
1
vote
0
answers
1k
views
Getting ftdi_sio ttyUSB0: failed to get modem status: -32
Iam using Raspberry pi 3b along with Xbee and Sixfab 3G/4G base sheild. getting
ftdi_sio ttyUSB0: failed to get modem status: -32
usb usb1-port1: disabled by hub (EMI?), re-enabling...
and also ...
10
votes
4
answers
16k
views
Performance differences running Raspbian from USB flash drive versus SD card
I want to run Raspbian from a USB flash drive on a Raspberry Pi 3B+.
What would be the performance difference in doing so, as compared to running Raspbian from an SD card?
6
votes
1
answer
5k
views
Change Raspberry Pi Zero USB Gadget name from Linux File-Stor Gadget
My goal is to convincingly emulate a well known brand of USB Flash Disk, using Raspberry Pi Zero (with or without Wifi).
For the sake of this example, I want to emulate a 4GB Sandisk Cruzer Edge, but ...
3
votes
3
answers
2k
views
Delete and modify not supported smb external drive (exfat)
I run SAMBA 4.9.5 on my raspberry pi 4 and share a folder on my external hard drive(exfat as fs).
It worked all fine until I want to remotely delete or modify files on it.
I cannot delete or modify ...
2
votes
1
answer
1k
views
USB devices (Including Internal NIC) got disconnected without a reason
I am using raspberry pi 1 B+ model with two USB devices (wifi dongle/Ethernet )
along with builtin NIC. all the USB devices including builtin NIC getting disconnected from time to time
kernel ...
1
vote
1
answer
2k
views
Receiving login shell data via serial port
I'm writing code to send data to and from a raspberry pi (pi zero running raspbian lite) via serial port, using 1 python script on either side.
I've set everything up so that I can use port='/dev/...
0
votes
0
answers
643
views
Auto detect for USB Device not working (Garmin Watch)
I would like my Raspberry Pi 3 to auto detect my Garmin watch USB device when connected it via USB to it. So I could copy the .fit files from the devices for subsequent processing.
Currently I cannot ...
0
votes
0
answers
277
views
Phoniebox.de - No audio issues due to snd_usb_audio file missing
RPi Model 3 B+
Used this to install the stretch
https://downloads.raspberrypi.org/raspbian/images/raspbian-2018-03-14/2018-03-13-raspbian-stretch.zip
as recommended on here
https://github.com/...
3
votes
0
answers
1k
views
new raspbian image doesn't detect usb cdc device
I have a usb cdc device that works fine in raspbian stretch. But when I change the image to new raspbian buster, my usb device isn't recognized.
lsusb doesn't list my device at all! I've enabled cdc-...
0
votes
0
answers
118
views
Logitech F310 hot plug working on Pi 3 B+ but not on Pi Zero W
I wrote software in C for my work that reads Logitech F310 controller input and controls our vehicle accordingly. I wanted my software to be fault-tolerant, so I added code that checks the presence of ...