Questions tagged [usb]

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

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Pi Zero with RS-485 interface operated inside breaker panel crashes

Setup I am operating an Raspberry Pi Zero inside a distribution board. The pi is powered via usb using a din rail power supply and it connected to an usb-rs485-adapter to get modbus data from a smart ...
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21 views

Connecting Raspberry PI with Pi Camera to my computer via USB

There are many tutorials about setting up a RasPI with camera as an IP camera and then using software on the PC that takes the IP stream and looks like a webcam such that Zoom or whatever can use the ...
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17 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 ...
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22 views

USB webcam (spherical camera) not working with Raspberry Pi OS

I'm feeling utterly hopeless with this one, but my USB spherical camera, Insta360 Air, no longer works with Raspberry Pi. It used to work in a previous OS (forgot the kernel version but before the OS ...
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105 views

Pi 4 - Ubuntu 64 bit - Boot from SSD over USB - Gets stuck in Initramfs after reboot

TL;DR; Successfully install Ubuntu Mate 20.04 64 Bit on Raspberry Pi 4 (4GB) and boot over USB 3.0 SSD. Works fine. After I do sudo reboot -> ubuntu is broken and I enter initramfs shell, cannot ...
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34 views

Recommended filesystem for USB flash drive

I've got a Raspberry Pi 4 used as a home automation server and I would like to add a USB flash memory stick as yet another drive. Question is: what filesystem would be the best choice for such a stick?...
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16 views

USBTMC library with Rasspberry pi

I'm trying to communicate with USBTMC device using raspberry pi and python. The first time i run the code it returns the right answer and everything is good, but on the second run i get no answer from ...
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1answer
34 views

How to bind usb encoder to keyboard keys

I currently have an arcade stick I made a while ago, which I want to use in a project with my Pi, which will run a simple scratch project. The Arcade Stick connects to the Pi through USB, and I can't ...
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76 views

writing to GPIO [closed]

Is there a way using python (Raspberry PI 4) to write a nibble to the GPIO in one write operation. I have done a project which would benefit from that. Project details here. https://sites.google.com/...
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2answers
38 views

Red Led flashing

I have a PI 4, WHEN using a 3.5A USB power measured 5.1v supply, the red LED is constantly on. When using a power supply which was rescued from a DVD player, checked supply 5.1v I get a flashing red ...
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36 views

Constant noise while recording with Zoom H1 through USB

I'm trying to build up a recording station using a Raspberry pi 3B. I solderet four mics (two per channel) to a stereo jack and plugged it into the "external mic" audio input of the Zoom H1. ...
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1answer
33 views

Issues running two PL2303 USB to Serial converters on a Raspberry Pi Zero W

I'm having a bit of a problem building a little network-connected UPS monitor. I have two USB to Serial adapters of the pl2303 kind. Latest Raspbian and I'm running them off a tiny powered USB hub ...
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42 views

OTG mode Multi (g_multi) is not working on Raspberry Pi 4

I want to use the Raspberry Pi 4 as ethernet and mass storage device. According to the documentation I have to do configure the following files: /boot/config.txt: dtoverlay=dwc2,dr_mode=peripheral /...
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44 views

strange behavior when booting Raspbian OS on 4B 8GB from a microSD card with a non-bootable SSD attached

I have a Raspbian OS microSD card that I use with the Raspberry Pi 8GB model I upgraded the firmware to the June-15 stable version of the firmware so that I could boot from the SSD. That worked fine. ...
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37 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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1answer
27 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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1answer
88 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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1answer
62 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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28 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 ...
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3answers
67 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
37 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
34 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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2answers
86 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
70 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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42 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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3answers
613 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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27 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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55 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
27 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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0answers
48 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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15 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
363 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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1answer
30 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
64 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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1answer
178 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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28 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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87 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
62 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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47 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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0answers
252 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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0answers
45 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
46 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
44 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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39 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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27 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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0answers
87 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
59 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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14 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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