Questions tagged [usb]

Questions relating to the Raspberry Pi USB ports and specific Raspberry Pi USB devices and device interaction.

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17 views

USB device turns off - relay switch does not restart it - unplugging and re-plugging does. What is the difference?

I have a USB to serial converter which the Raspberry Pi 3B seems to turn off after a few hours. LSUSB shows it is gone, and then it can be restarted by unplugging and then re-plugging the device into ...
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15 views

Problem saving images to USB from Python Script

I'm very new to Python / Raspberry Pi and I'm trying to set up a time lapse camera. Due to the number and size of images, I wish to save to USB. At first the below program (copied and altered from the ...
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45 views

Raspberry Pi 4 hung on boot while powered USB hub is plugged in

I've got a powered USB hub with an ethernet port connected to my Pi. When the Pi boots with it plugged, the boot process hangs until I unplug it. This seemingly includes the clock, as /var/log/syslog ...
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50 views

Ethernet port on USB hub overrides on-board ethernet

I've got a powered USB hub with an ethernet port connected to my Pi, but I'm only interested on the USB ports, as it already has on-board ethernet. However, for some reason, when the Pi boots, the hub'...
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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 ...
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3answers
57 views

The usb-storage driver seems to be constantly accessing external USB drive on a Pi B+

Well, today is turning out to be a bit of a pain with disk drives (esp with zero sleep last night). I have an external ICY BOX JBOD box with one Seagate Barracuda and one Samsung Momentus drive in it ...
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1answer
36 views

3B+ will boot from USB (microSD to USB adapter) and not from the microSD card itself

I have searched and searched for an answer to this issue but am unable to find it. I have checked the boot thread on the main forums but with no luck. I got a new 3B+, formatted an SDCard using ...
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1answer
31 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 ...
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1answer
54 views

Pi 4: SD Card or USB SSD?

I'm currently using my Pi4 as a NAS with OpenMediaVault and i was thinking about moving the OS from the SD Card to an external SSD on one of the USB 2 Ports, since both USB 3 Ports are being used for ...
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1answer
40 views

SSH into Rasberry Pi 4 over USB (Ubuntu Core) [duplicate]

Is it possible to SSH connect via USB-C -> USB to Rasberry Pi 4 in Ubuntu? Like this
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1answer
35 views

Raspberry Pi 3B Serial Port Flow Control Issue

I am trying to connect ESP-Prog to Raspberry Pi Model 3B. The Pi is back-powered by 5V power supply connected to the hat on the Pi. By default, serial port /dev/ttyUSB1 is connected for Espressif ...
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243 views

Unable to boot Raspbian or Ubuntu Server 20.04 from a USB SSD using a Raspberry Pi 4 4GB

I know of two methods to do this which I've tried: Use RPi Imager to install Ubuntu on both the SD card and SSD as per this post and this post Install BerryBoot and use that to install and boot ...
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19 views

Raspberry Pi 3, Wifi Extender, “Could not set interface wlan1 flags (DOWN): Operation not permitted”

I'm attempting to create a wifi extender out of my Raspberry Pi 3 using this guide: https://pimylifeup.com/raspberry-pi-wifi-extender/ After some troubleshooting, I made it all the way through the ...
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38 views

I have a Logitech c930e camera, what is the highest frame rate I can get at max. resolution? (i.e. 1920x1080)

I have a c930e camera: $ v4l2-ctl --list-devices Logitech Webcam C930e (usb-0000:00:1d.0-1.3): /dev/video0 I checked the capabilities like so: $ ffmpeg -f v4l2 -list_formats all -i /dev/video0 [...
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1answer
26 views

Setting USB current limit on Raspberry Pi 4

I have a Samsung Galaxy s8 that's connected to my Raspberry Pi in order to provide an internet connection. I'm looking to limit the harm done to the battery in the phone. Right now the battery in the ...
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36 views

RPI-Clone an SSD to an SSD - Fails with I/O Error

I have a RPi 4 system with 4GB RAM and another 4GB with ZRAM. It is running XFCE and I've successfully converted from SD to SSD. Everything works fine here as of right now. Recently I've attempted to ...
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14 views

Adding shared USB key to a Raspberry Pi that is running Pi-Hole

I have an original Raspberry Pi running Pi-Hole that is working successfully. I was wondering whether I could connect a USB key to the R-Pi to act as shared network storage on my LAN. To get Pi-Hole ...
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1answer
159 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 ...
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28 views

Two USB cameras and ASP.NET Core

I want to build a project based on Raspberry Pi 4B and I would like to hear opinion someone's more experienced with this platform (as I am mostly SW and did some projects with Arduinos) if it is ...
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1answer
48 views

Connect to internet with Sakis3g when modem establish network connection

RP-beginner here, Background I'm using a shell script called Sakis3g to connect to internet and it works very well (It uses wvdial in the background and sets up a ppp-connection) I want Sakis3g to run ...
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154 views

Why does Raspberry Pi 4 do not support USB boot?

I was searching for a way to boot from USB on RPi4. But I am always finding articles that is telling me that 3B+ has this boot feature but RPi4 doesn't. After some more finding I found that this is ...
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23 views

pi 3 B+ running ubuntu 20.04 turn off HDMI USB

I have my pi 3 B+ running with ubuntu 20.04. I have a headless system without any peripherals connected. i currently have my ethernet connection only. How to turn off unused HDMI,USB [leaving one] etc ...
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52 views

Raspberry Pi 3 Model B FTDI USB to Serial converter driver problem

I've been suffering to introduce my USB to Serial (RS232) FTDI converter on Raspbian 10 on my Raspberry pi 3 Model B. In Windows 10 it works without installing an additional driver. FTDI drivers ...
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2answers
52 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 ...
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34 views

4B having issues with USB serial and booting with USB ports populated

first time OP'er here I have two issues which I do not know if they are related. Some quick background about my setup I have 4B 4GB pi. I have 3 USB2.0 webcams, the webcams have their cables spliced ...
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31 views

hostapd for wifi extender issues

I've been trying to follow this guide: https://pimylifeup.com/raspberry-pi-wifi-extender/ to implement a wifi extender. For a USB wifi dongle, I just happened to have "OURLINK AC600" which ...
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158 views

ZFS and USB boot on Pi4b 8Gb

I'm trying to make myself a NAS appliance with a Pi4b 8Gb. I would like to use ZFS for my storage but I'm having some trouble with installing it on pi OS. I'm trying to use USB boot (No SD) so I can ...
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35 views

How can Rpi4B use multiple on board and USB based UART / serial ports?

there. I am trying to use rpi 4 to access my own device through UART. However, the number of UART port isn't enough for me since I'm trying to access more device in same time. Thus, I want to know if ...
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1answer
29 views

Booting from USB using a CM3+

i would like to use an usb stick to boot from my CM3+, because i would like to test the eMMC with different file systems I edited /boot/config.txt adding program_usb_boot_mode=1 but nothing changed. ...
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13 views

Forward camera commands through raspberry pi to camera

I have a raspberry pi with raspbian installed on it. I have a camera, which I wish to control from a Windows PC as the software seems to only run on windows. But the problem is I will not be able to ...
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1answer
36 views

Make raspberry pi to recognize usb0 as eth0

I have CAT.m1 device that connected by USB. It connects raspberry pi to the network. In raspberry pi it is perceived as 'usb0'. It can get ip address, and works well. But I wish raspberry pi perceive ...
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29 views

Yet Another: How to Ethernet over USB to Pi Zero (Pop!_OS 20.04LTS edition!)

I have been trying to get this new Raspberry Pi Zero W going, for the Pwnagotchi project. I dd'd the img over, made the appropriate config.toml, config.txt, and cmdline.txt changes as per every blog ...
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26 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, ...
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57 views

Fuse Mount Option “-nonempty” is Not Working

I have a setup where I need to log quite a bit of data on my Raspberry Pi. I have a 128GB USB stick that mounts to a folder called external where all my scripts/programs log to. This works well, ...
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2answers
50 views

Raspberry Pi Zero as a usb ethernet gadget but with networked storage

I am trying to make my raspberry pi emulate a usb ethernet gadget that when attached to a pc you can access some storage through its network. I was thinking that u might be able to make a samba file ...
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13 views

Issues in Flashing EMMC in Raspberry Pi Compute Module 3+ with usbboot with Ubuntu 16.04

I am trying to flash EMMC in a Raspberry Pi Compute Module 3+ using Ubuntu 16.04 by following this tutorial. I have done the following in my host system: mkdir ~/RPI_CM3+ cd ~/RPI_CM3+ git clone --...
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23 views

Detection of Compute Module 3+ fails

i am having problems getting the CM3+ to show up on my Windows 10 64 bit OS. I connected the USB Slave to my Win10 machine and connected POWER IN to another USB Port (of a different machine, so just ...
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2answers
55 views

Raspberry Pi 4, terrible performance at the USB3 port

I have installed my Raspi 4 freshly today (latest Raspberry Pi Os). The SD Card performance is kind of okay (~40 MB/s write). However the USB3 performance is terrible. I have plugged in a mobile ...
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26 views

Mount SMB Share as File

I am trying to use g_mass_storage to present files from a network as usb with my raspberry pi zero w. Sadly, g_mass_storage takes a file for the file parameter. I also tried creating a file with dd ...
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29 views

DietPi xfce doesn't show USB Device what SD connected [closed]

DietPi xfce doesn't show USB Device what SD connected! I am using USB Device what SD connected, but xfce doesn't show Devices. I check using lsusb but Device name was appeard. Other OS like ...
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23 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 ...
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32 views

How does a USB device announce or negotiate its speed with the host Pi?

Environment: Pi4 2gig, Buster, updated The title pretty much says it all. I'm trying to understand how a device (WiFi adapter) that's rated for a speed of 867 Mbps ends up landing on Bus 01, which ...
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32 views

Can I span the SD card over IP like a USB device?

My issue is that I have 3 or 4 Raspberry Pis zeros, each with a 400gb sd card but I have a 500gb Bitcoin blockchain to store on it, that is growing very quickly. In theory, if I partition drive space ...
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30 views

Raspberry pi 4b Reconnect USB

My usb devices work normaly my only problem is when i unplug my usb device and reconnect it i have to reboot my pi to get it to work even though lsusb does show the device i just reconnected. Is ...
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2answers
50 views

How do I know that a Dual-Band USB WiFi dongle will work on Raspbian or other Linux distrobution?

How do I know if a Dual band USB WiFi dongle will work on a Raspberry Pi running Linux? I know that Linux must have a driver that supports the wifi chipset used in the dongle. But with the number of ...
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1answer
75 views

pulseaudio: [alsa-sink-USB Audio] alsa-util.c: Got POLLNVAL from ALSA

I am using an external USB sound card with a Raspberry Pi Zero W. Once in a while (up to every few minutes when playing sound) it will stop playing and /var/log/syslog logs this error: May 21 22:52:...
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25 views

raspbian buster for google meet - usd mic not recognised

setup rasp4 for daughter to attend online classes on google meet. the tiny usb mic was installed and recognised. $ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device ...
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64 views

Raspberry Pi Zero OTG g_mass_storage plug / unplug events

I have a RaspberryPi Zero connected to my PS4 and want to use it like a smart Network USB stick. The ultimate goal of my project is, that I want to automatically send data to a specific host in my ...
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1answer
54 views

How to use a Pi 3B+ as a “travel router” with both USB + wireless tether for multiple iOS or Android devices?

I have a Raspberry Pi 3B+ unit that I'd like to use as a "travel router" to attach multiple networks to the Internet via any one of a few different tetherable phones a la the following diagram via ...
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30 views

Rasberry Pi Cameras v USB Cameras

I'm trying to work out what kind of cameras would best suit my Pi. The plan is to use it on moving transport for some very basic image processing. Between the RasPi and the USB cameras, which ones are ...

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