Questions tagged [usb]

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

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56 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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0answers
11 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
2k views

Dependency failed for File System Check on /dev/disk/by-partuuid/5cxxxx

I'm trying to move my root partition onto a SSD. It is a PI1. I know the Pi(1 and 2, at least) cannot boot directly from USB (and I'm not interested in doing that anyway, I would only load the ...
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1answer
14 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
40 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
239 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 ...
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1answer
405 views

Transmission unable to write on usb disk

I have a raspberry pi 3 B+ running raspbian. I installed transmission torrent client, and I connected an usb disk to save files there. For some reason, I'm not able to write in to the disk. Until ...
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1answer
48 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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2answers
6k views

Raspberry pi USB webcam problem

When I try to take an image through the fswebcam, Raspberry Pi 2 shows following error. --- Opening /dev/video0... Trying source module v4l2... /dev/video0 opened. No input was specified, using the ...
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1answer
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 ...
2
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1answer
550 views

Accidentally shorted C97 on the Raspberry Pi with a washer

I accidentally dropped a washer and unfortunately it landed on the C97 capacitor. I think that shorted the pi out. The ACT and PWR lights are now solid red and green, whereas it was blinking ...
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1answer
294 views

The USB ports do not work anymore on my RPI4

Since yesterday, the USB ports of my RPI4 do not work. When I plug a usb device like a hard drive or a usb stick, I don't see any message about it in the logs and no new device in /dev. When I type ...
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0answers
22 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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0answers
439 views

RPi-Zero, HID keyboard gadget for BIOS keyboard

After another user related question on this forum I try to get my USB HID Gadget Keyboard running in BIOS. My gadget is the RPi-Z using libcomposite on Raspbian Buster. When I plug my keyboard into ...
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1answer
1k views

How to disable USBboot?

When i turn on my Raspberry Pi it tries to boot from USB. I plugged in a wireless mouse. Message on monitor: starting USB... USB0: Core Realses: 2.80a scanning bus 0 for devices... And nothing going ...
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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
35 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 ...
1
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1answer
328 views

Identify which microphone is on which audio card using arecord

I'm using a Raspberry PI and on it I plugged two same USB microphones. I would like to be able to identify which USB microphone is on which audio card when I list devices with arecord: arecord --list-...
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5answers
89k views

Using the Raspberry Pi as a router?

Has anyone used their Raspberry Pi as a routing device? Mainly I want to use it to monitor my network, and it would be great if it had an input and output for Ethernet, but it doesn't, so I am ...
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1answer
155 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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0answers
10 views

Raspberry Pi compute module 3+ differential signalling [closed]

I am designing a board around the RBp CM3+ and would like to know more about how to wire the camera and USB pins. On the RBp CM3+ data sheet, it is stated that the USB pins like USB_P and USB_M must ...
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1answer
53 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 ...
1
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1answer
260 views

Pi Zero USB On The Go cannot connect

There are several posts that say a Pi Zero can be connected to another computer with USB to enable networking (e.g. Linux host, Windows host or https://www.circuitbasics.com/raspberry-pi-zero-ethernet-...
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1answer
64 views

Pi Zero configured as HID not being recognized by PC (dmesg error)

I followed this guide to setup my Pi Zero W as a keyboard HID. Connected it to a laptop (via the data USB, not the power) to see no effect. When I started investigating, I saw that dmesg is showing ...
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0answers
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 ...
5
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3answers
2k views

USB OTG w/ Raspberry Pi Zero

I'm following Simple guide for setting up OTG modes on the Raspberry Pi Zero, the fast way! What I've done; flashed latest (2017-04-10) Raspbian image onto SD card, added dtoverlay=dwc2 on new line ...
3
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1answer
2k views

USB 3.0 OTG on Raspberry Pi 4 (USB gadget)

Raspberry Pi 4 can do USB OTG via the USB-C connector (according to this answer) - but only at USB 2.0 speeds since the USB-C connector only connects to USB 2.0 lanes. My question is - can Pi 4 also ...
7
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0answers
581 views

USB OTG on Compute Module 3

Has anyone ever tried configuring the USB of the Compute Module 3 as USB OTG? In the default kernel (Raspbian Stretch - Kernel7), support for usb otg appears to be disabled. Has anyone managed to ...
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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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5answers
7k views

Where is the USB2 OTG port on the RPi 4 Model B located?

According to this answer the Raspberry Pi 4 Model B has a total of five USB ports (two USB3 host, two USB2 host, one USB2 OTG). Where is the fifth USB2 OTG port located and how can I use it? Can I ...
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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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1answer
2k views

Problem with every even photo using USB camera

I use Raspberry Pi 3 with Linux RaspberryPi 4.9.59-v7+ onboard together with Logitech HD Webcam C270. It works quite well, I am able to preview video stream in Qt V4l2 Test Utility, take a photo with ...
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2answers
237 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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0answers
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 ...
8
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4answers
7k views

Raspberry 4 usbmount not working

As the title suggests, I am having issues on the new raspberry pi 4 with buster and USBMOUNT. Well, it's not working. At 3b+ there was a similar issue, you had to edit a file and change MountFlags ...
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0answers
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 ...
0
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1answer
56 views

Driver Program that talks to a ttyACM device doesn't execute properly when called from rc.local, but its working when called from command-line

I have a program that talks to a ttyACM0 usb device. When the USB bus is power-cycled the program is supposed to re-initialize the device handle. The program executes properly and re-initializes the ...
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2answers
200 views

Multiple TTL sensors on serial RX GPIO 10

Is it possible to read more than one TTL sensor on serial RX GPIO 10? I know you can add multiple serial sensors on /dev/ttyUSBx Does the same apply to /dev/ttyAMAx ?
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1answer
178 views

Pi 4 how to insert and remove usb

I have 2 questions - apologies if they are trivial. a) when I shutdown my pi4 the led goes out but comes back on soon after. Is this ok/ normal? b) I use the GUI and have had a USB stick corrupted. ...
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0answers
35 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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2answers
3k views

Peripherals not working after install of Raspbian

I recently purchased a Canakit Raspberry Pi 3 Model B. I hooked it all up using HDMI, ethernet and USB peripherals (no hub). I have a logitech mouse and a dynex keyboard, both want 5V 100mA. In the ...
5
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1answer
5k views

Can not use PL2303 USB to Serial with Pi B+

I have a PL-2303 USB-to-serial cable plugged into my Raspberry Pi via the USB port, which is then connected to a serial device. However, the Raspberry Pi is unable to read any data coming from the ...
0
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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 ...
0
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0answers
732 views

How can I receive data from UHF RFID reader's USB port to my raspberrypi controller

I am new to raspberry pi, currently we want to develop gate control with open/close boom-barrier so we are using an UHF RFID reader and a raspberry pi. I bought a RFID reader that has a USB connector ...
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0answers
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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2answers
499 views

VNC Client on Raspberry PI Zero

I need to use VNC Client on Raspberry PI Zero. It doesn't have network interfaces, so I probably need to connect Raspberry via mini-usb to my Android phone. How to configure such network (via USB)? ...
4
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2answers
8k views

Use Raspberry Pi as keyboard/mouse output to control server

I want to connect to a RPi thought LAN (possibly with VNC) and have it controlling a server that is connected to the RPi by USB. Basically the RPi would have to send every keystroke/mouse movement to ...
2
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3answers
9k views

No audio output via USB sound card

I bought an external USB sound card for my Raspberry Pi because the sound quality of the built-in 3.5mm audio jack is not that good and I experienced a lot of noise. The retailer of the sound card is ...
0
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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 ...
0
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1answer
108 views

Boot's cmdline.txt and config.txt files changed after install new package in rasbian at pi zero (USB OTG Connection)

I am using raspberry zero with USB OTG to my linux LMDE based this instruction , so when i install something like lcd 5inch driver, the files which changed in the boot's SD card folder. and the files ...

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