Questions tagged [usb]

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

474 questions with no upvoted or accepted answers
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2answers
383 views

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 ...
4
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0answers
1k 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 ...
4
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0answers
318 views

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
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0answers
719 views

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
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0answers
692 views

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
1answer
5k views

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
1answer
252 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
1answer
509 views

Can I record HD 1080 p 60 fps through USB on a Raspberry Pi 3 or 4?

I have a set-top box with HDMI output and want to record some programs from it on a Raspberry Pi (model 3 or 4). I found some HDMI to USB 3.0 converters with HDMI 'loop-out' which would enable us to ...
3
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0answers
116 views

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
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0answers
199 views

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
1answer
1k views

Persistently increase usbfs_memory_mb on RPI4 running Ubuntu 19

I am working with a 4gb RaspberryPI4 and it's running a USB3 Flir Blackfly. Out of the box, the setting of usbcore.usbfs_memory_mb @ 16 isn't enough to get a stream from the camera. Increasing the ...
3
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0answers
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-...
3
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0answers
864 views

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
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0answers
405 views

Trouble connecting USB devices with Raspberry Pi Compute Module on custom PCB

I am working with a team designing a PCB that works with the Raspberry Pi Compute Module 3 card. We are having a bit of trouble with the USB ports. The schematic of the USB portion is somewhat similar ...
3
votes
0answers
308 views

Read/Write LAN9512 EEPROM

We are building a device around the Compute Module 3 and since it needs internet access we decided to go with the LAN9512 that was also used in the Raspberry Pi earlier. The LAN9512 requires an ...
3
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0answers
1k views

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
0answers
1k views

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
0answers
2k views

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
votes
0answers
3k views

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
0answers
821 views

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
1answer
6k views

Buffer I/O error on dev sda1 - not a hardware problem

In the last month or so, one of my external hard drives has stopped working properly with my Raspberry Pi. It works for a while, then it stops working randomly. I ran 'ls' on the drive's folder and it ...
3
votes
0answers
1k views

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
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0answers
661 views

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
1answer
425 views

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
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2answers
1k views

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
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0answers
67 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
0answers
409 views

Getting IO errors while connecting a HDD to a RPi4 when using USB 3.0 but not when using USB 2

for a few weeks now, I have been suffering with the following problem: I wanted to set up a NAS with a Raspberry Pi 4 and two WD Red, running ubuntu server, since the RPi 4 finally supports USB 3.0. ...
2
votes
1answer
2k 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 ...
2
votes
0answers
817 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?...
2
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0answers
151 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 ...
2
votes
0answers
60 views

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 ...
2
votes
0answers
27 views

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
0answers
123 views

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
1answer
1k views

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
0answers
35 views

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
0answers
118 views

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
votes
0answers
45 views

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
1answer
2k views

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
votes
1answer
3k views

Trying to get SSH over USB to work (Raspberry pi Zero W)

I'm trying to connect to my Raspberry Pi Zero W using SSH over USB. I've seen other people do it, and I have tried multiple different tutorials over the last few days, but none of them worked. I've ...
2
votes
0answers
2k views

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
0answers
733 views

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
1answer
104 views

reading a dutch 'slimme meter' has USB troubles

In the Netherlands the energy providers are rolling out smart meters which allow you measure your energy usage in your house. There's a cable that you need to buy (this one) but you should be able to ...
2
votes
0answers
341 views

How to record usb audio and monitor at the same time

I have a usb audio device plugged into my Raspberry Pi 3 with Raspbian Stretch. Recording to an mp3 with sox works fine with this line: AUDIODEV=dsnooped rec -c 1 -q /media/usbstick/recording/...
2
votes
0answers
53 views

Failure to download file with sftp

I Raspberry Pi 2 as a Torrent Box. I recently attach to it an external usb HDD formatted in NTFS. I can download successfully any file in the hardisk but when I try to connect to my Raspberry with ...
2
votes
1answer
761 views

USB audio from Pygame

I am running Raspbian Stretch. I've connected a USB sound device and selected it through the graphic interface. This sends the sound out fine from youtube in Chrome but is silent with a Python ...
2
votes
0answers
120 views

Sharing laptop network connection to Pi0W over USB

I have already looked at the other posts on this topic however none of them seem to work. I have a raspberry Pi0W, running the latest Raspbian stretch lite (2017-09-07), connected to my laptop over ...
2
votes
0answers
8k views

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 ...
2
votes
0answers
830 views

How to get the network / usb interfaces in qemu

I am trying to run Jessy minimal in Qemu 2.9.0 This is the command qemu-system-arm -M raspi2 -kernel rasp-boot/kernel7.img \ -sd 2017-07-05-raspbian-jessie-lite.img \ -append "rw earlyprintk loglevel=...
2
votes
1answer
254 views

Epson PictureMate 100 not printing on Raspberry Pi 3

I am attempting to get an Epson PictureMate 100 working with a Raspberry Pi 3 running Raspian (Jessie). According to Open Printing the PictureMate should work perfectly with Gutenprint 5.2.7. I chose ...
2
votes
0answers
85 views

pi zero W as remote ethernet jack / internet access for satellite TV receiver

I've got a pi Zero W that I'd like to use to support a wireless network for my satellite TV tuner. The tuner has an ethernet jack, but running cable to it is problematic... I've got a ...

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