Questions tagged [usb]
Questions relating to the Raspberry Pi USB ports and specific Raspberry Pi USB devices and device interaction.
505
questions with no upvoted or accepted answers
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Pi4J kills USB bus?
Hello fellow Pi enthusiasts :)
I am currently attempting to control a standard 16x2 character LCD display from the PI's GPIO pins from Java.
I downloaded Pi4J and wrote a small program to initialize ...
5
votes
0
answers
2k
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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 ...
4
votes
0
answers
350
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I2s DAC audio out but USB audio in
I was wondering if anyone could help me.
I am trying to set up my Pi 3 to be an assistant (Google or Alexa, etc). I had it set up working fine with the USB mic and the 3.5mm audio out, but I wanted ...
4
votes
0
answers
818
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RPI 3B and Tiny Thermal Printer - Unable to use python library
I'm having trouble hooking up my Raspberry Pi 3 Model B to my Adafruit Tiny Thermal Printer (nb: not the mini thermal printer - this is the one with a mini-USB port built in).
I've got it connected ...
4
votes
0
answers
820
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SD read only - how to make USB automount read write
I followed this tutorial to make the SD card of my pi read only.
However when I plug in a USB drive stick, which is then auto mounted by the usbmount package as /media/usbX , the usb stick is also ...
4
votes
1
answer
5k
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Using Android phone as microphone for R PI B+
I'm planning to use Jasper for voice control on my Raspberry Pi B+.
However, there are no microphone sockets and I do not have a USB mic.
I would like to know if there is any way I could use my ...
4
votes
1
answer
288
views
RaspberryPi A+ USB Data Lines shorted
This is kinda weird problem. I used Raspberry Pi A+ for my small projects. I did all the programming using a USB WiFi dongle via SSH. It all went happy and fine until one fine day the dongle stopped ...
3
votes
0
answers
389
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PI Zero W Mass storage device mode
I need some help regarding the mass storage mode with Raspberry PI Zero W.
This is my first time configuring this mode and I've found a lot of guides about it that only explain how to use the PI as ...
3
votes
0
answers
592
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Device drivers only working on boot
I am trying to connect some peripheral devices (test equipment) to a Raspberry Pi 4B+ running Raspbian and I am running into issues with device drivers for serial (using a pl2303 driver) and usb ...
3
votes
0
answers
91
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USB via MAX3421
I am trying to get an additional USB port working by using the MAX3421 chip over SPI on a Raspberry Pi Zero W running raspbian.
I have successfully installed the driver as a kernel module. The chip ...
3
votes
0
answers
1k
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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-...
3
votes
0
answers
1k
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uv4l usb camera stream not working
I am using a raspberry pi 3b+, trying to make the usb camera work with uv4l streaming.
These are the packages I've installed:
uv4l uv4l-raspicam uv4l-raspicam-extras uv4l-server uv4l-uvc uv4l-...
3
votes
0
answers
1k
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Setting up Pi Zero W Wi-Fi through USB SSH
I am having lots of problems connecting my raspberry pi zero to wifi. I have followed a number of tutorials.
1. What I have tried
This was my wpa_supplicant.conf file
ctrl_interface=DIR=/var/run/...
3
votes
0
answers
2k
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Pi doesn't detect microphone but detects usb device
I had my Raspberry Pi configured to work with a USB microphone (C-Media microphone USB).
I had made the following changes
For /lib/modprobe.d/aliases I update the following lines
options snd-usb-...
3
votes
0
answers
11k
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Raspberry Pi 3 doesn't detect USB touchscreen
I've been trying to get a touchscreen monitor to work with my Raspberry Pi 3. The monitor is 15", externally powered, and is to be connected via HDMI and USB for the touchscreen interface. The HDMI ...
3
votes
0
answers
3k
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Arecord not working with USB Microphone anymore
Before I start, I'd like to tell you that I've used arecord in the past with the Raspberry Pi 2 using the same USB Microphone and it has worked just fine. For some reason, it doesn't seem to work ...
3
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0
answers
3k
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Pi 2, keyboard/mouse not recognized through USB hub
I am trying to get the keyboard and mouse control from a Startech crash cart adapter working smoothly on a Pi 2.
The adapter has an internal USB hub (Alcor, 058F:6254) and behind that a virtual ...
3
votes
0
answers
859
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Persistent names for usb-serial devices
I am making a weather monitoring system to use Raspberry Pi 2. In weather eye, there are two sensors and two USB to serial ports.
I want persistent names for USB-serial devices.
I imitated this link,...
3
votes
0
answers
1k
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fsck crashes when booting from USB
I have set up my Raspberry Pi 2 Model B to boot from a USB flash drive like in this article. Basically, I have burned the Raspbian image to a USB drive, then copied the boot partition to my SD card, ...
3
votes
0
answers
719
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Running two cameras at the same time (Pi Camera & USB camera)
I would like for my project to have one camera (PiCamera) Streaming video.
And another USB Camera (PS3 Camera) taking pictures when I execute this function:
def grabPicture(self):
grab_cam = ...
3
votes
1
answer
468
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Webcam works for a couple of hours, then Pi refuses to detect it
I am currently playing around with a Trust WB-1400T webcam. While this is "unsupported", I got it to work with motion.
After a couple of hours of playing, I noticed that motion failed to connect to ...
3
votes
2
answers
1k
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Raspberry Pi Zero and USB camera Issue
I have a video streaming application which works well on the Raspberry Pi 2. I am trying to switch out the Pi 2 and move everything to a Pi Zero.
When I connect the USB camera to the Pi Zero ...
2
votes
0
answers
42
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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
650
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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 ...
2
votes
1
answer
723
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Raspberry Pi Pico - USB host with USB hub has anyone got it to work
Has anybody got a USB hub working with the Raspberry Pi Pico.
I've got a person project that i want to use a mouse and a keyboard but when i add a hub it all falls apart.
So I wen't and tried the ...
2
votes
0
answers
462
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USB-to-ETH not working on Bullseye
Recently updated my Raspberry Pi 3 Model B Rev 1.2 from stretch to bullseye, and found lots have changed for example "Predictable Network Interface" which I was able to disable by adding '...
2
votes
0
answers
578
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Is it possible to boot Raspberry Pi 4 model B from USB without touching SD cards at all? [Broken SD card slot]
My SD card slot broke off (as in only pins are left and I would have to hold down an SD card for it to boot). 1
I've written Raspberry Pi OS to a USB drive, I was told the Raspberry Pi 4 B could boot ...
2
votes
0
answers
127
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USB ports no longer carry data
A lightning bolt took out a number of devices in my home and my raspberry pi 4b 8gb seems to have been affected. All 4 USB ports still provide power to peripherals but there seems to be no data ...
2
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3
answers
2k
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Raspbery Pi 3B+ - My USB ports don't work, but ethernet does
This is a pretty short question.
My ethernet port works, but none of the usb ports seem to do anything when I plug anything in them. This is the case with a fresh raspi os image.
How can I debug this?
2
votes
1
answer
442
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SSH over USB stops working after Pi reboot
I followed the guide to enable SSH over USB: https://artivis.github.io/post/2020/pi-zero/
On Host Computer:
Ubuntu 20.04.3 LTS, fresh install
Ubuntu host has the USB Ethernet connection IPv4 set to &...
2
votes
0
answers
340
views
High-speed USB Audio Streaming
I am using a Raspberry Pi 3B+ as the USB host for an embedded device that I have configured to appear as a USB Audio 2.0 compliant microphone.
I am currently using PyAudio for opening and recording ...
2
votes
2
answers
3k
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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 ...
2
votes
0
answers
374
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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 ...
2
votes
0
answers
2k
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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 ...
2
votes
0
answers
291
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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 ...
2
votes
0
answers
326
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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 ...
2
votes
0
answers
221
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Trying to create low-latency audio stream with USB input to ethernet output
I'm trying to route audio coming from a tv to my Sonos speaker using a USB audio capture card (tv aux to Raspberry Pi USB input). I'm planning on using the ethernet port on the Raspi to output the ...
2
votes
0
answers
55
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Error opening InputStream USB Microphone and Raspberry PI3B+
I am trying to use a USB microphone with python sound device and raspberry pi3B+. When I execute the script in the console typing $ python3 sound.py it runs and records all ok. But when I try to ...
2
votes
0
answers
224
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User does not have permissions to directory
My raspberry 3 is running amule using amule user, but I cant set the directories I want for incomings and temp files in a pendrive. Each time it goes back to the default directories.
I did sudo chmod ...
2
votes
1
answer
3k
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Serial communication over USB port of Pi Zero
I want to send/receive data between PC and Pi-Zero over USB port near PWR port.
I followed the instructions here https://www.tal.org/tutorials/raspberry-pi-zero-usb-serial-console But I don't enable
...
2
votes
1
answer
4k
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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-...
2
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0
answers
44
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Permanent Arduino usb address on RPi!
So my project is using to Arduinos slaves to RPI that is master. They communicate through USB.
Each time I remove one of the Arduinos I need to modify the .Py script to add the new USB alocated.
Is ...
2
votes
0
answers
261
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Webcam FPS Very Low
I just plugged in a Microsoft Lifecam Studio webcam into my Raspberry Pi 4 Model B. I used gucview to test it out along with Google Hangouts for video conferencing (in Chromium) but the FPS was ...
2
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0
answers
1k
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Unable to access laptop's internet on Pi Zero over Usb
I've been going over so many web pages trying out numerous things for the past 6 hours to just get internet on my rpi to no avail hence I have come here to hopefully find a solution. Below are the ...
2
votes
0
answers
67
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Stream USB mic input to 3.5mm audio jack output
I am trying to stream a USB mic input to the raspberry pi's built in 3.5mm audio jack output. I am not sure how to do this. I essentially want to use the Pi as a DAC. How could I do this?
2
votes
1
answer
2k
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Raspberry Pi 3 + USB data modem as a Wi-Fi Router
I have a USB data modem (Huawei E3131) and a RaspberryPi 3B+. I would like to use the Pi as a Wi-Fi hotspot. Pi connects to the internet via USB data modem and creates hotpsot for other devices. So, I'...
2
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0
answers
3k
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Raspberry pi 3 a+ stretch and huawei e3372h-153 port forwarding
At the moment I was able to get internet on my raspberry pi 3a+ with Huawei e3372h-153, a 4G LTE USB-dongle.
When I enter address http://192.168.8.1 it gives me a config web page of a dongle.
I ...
2
votes
0
answers
1k
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Relay Bluetooth keyboard out as a USB keyboard
I have a bluetooth keyboard that's originally connected to my desktop PC. The problem is that I can't use it in BIOS or to select different boot options at grub because the bluetooth drivers aren't ...
2
votes
1
answer
287
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Trouble with using RPi Zero W as USB keyboard
I'm using a RPi Zero W for this exercise. I downloaded 2018-11-13-raspbian-stretch-full.zip and installed it onto a 32G microSD card:
sudo dd bs=4M if=2018-11-13-raspbian-stretch-full.img of=/dev/...
2
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0
answers
149
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Is perfectly uninterrupted alsa sound over USB possible?
I am playing a sine wave from a Rpi3 via pure userspace ALSA to the hw device of a USB sound card (using the official PCM example, no sound servers installed).
But the wave never stays perfect, after ...