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Questions tagged [usb]

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

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15 views

The first picture I take with a USB webcam as soon as I connect it looks good, but the following ones are dark

I am experiencing the following issue: I connect a USB webcam (Logitech Quickcam Pro 4000) to my Raspberry Pi 3 B+ and take a picture using fswebcam and looks good. Sometimes I take a second picture,...
0
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1answer
20 views

ssh via USB while wifi is enabled and working (Pi zero W)

Is it possible to connect to the "Pi zero W" via usb-network, while wifi connection is already set up and working? My observation: 1.) initial Pi Zero W setup. Pi is attached to the notebook (OS: ...
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0answers
39 views

Connecting 4 WiFi USB Adapters to Raspberry Pi 3

I'm trying to get 4 Wifi adapters running off the Pi (overkill I know), the adapter in question is the Alfa Network AWUS036NHA, the Pi runs smoothly and reads the adapters as I plug them in one by one ...
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1answer
20 views

How to automatically add any plugged-in USB-Printer to cups and share it to the network?

I'm working on a Raspberry-Pi Project: A universal easy to use print server. The goal is to plugin any USB-Printer and broadcast it to the local network. Now, how can I add this printer automatically ...
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2answers
33 views

Raspberry Pi 3 B+ to Android Phone USB Tethering Inactive eth1 Interface

This is a follow up to Static IP Address for USB Screencast in Raspbian Stretch. Concisely, I want to use USB Tethering to connect VNC on my smartphone to the RPi for use as a remote desktop-type ...
2
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1answer
48 views

Static IP Address for USB Screencast in Raspbian Stretch

My new Raspberry Pi 3 B+ is running the latest Raspbian Stretch OS. I've been trying to connect it over USB to a phone running VNC to act as a remote display. I followed the tutorial here, but I've ...
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0answers
23 views

uv4l with multiple usb camera

I have 2 usb camera(1,2) and want to stream for each camera. I have used driver = uvc, but when i use default port 8090 for camera1, it works fine. When i explicity stated --server-option='--port=9000'...
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20 views

ESC/POS Printer not detected by Raspberry Pi

I try to connect a POS printer with my Raspberry PI 3B. In my opinion, the printer should appear under /dev/usb/lp* or /dev/ttyUSB* or /dev/ttyACM* after connecting. At the moment I can't find the ...
2
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1answer
40 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 ...
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0answers
12 views

How can use Raspberry pi 3 to update the code running on an STM MCU?

How can I update the code on an STM MCU using the raspberry pi 3? It would be best if I can get an answer specifically about STM32F303CCT6. I basically want to use the pi to upgrade the firmware of ...
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0answers
24 views

Can't connect to Raspberry Pi Zero W over USB SSH

I'm trying to login to my Raspberry Pi Zero W via SSH over USB, as in this article https://desertbot.io/blog/ssh-into-pi-zero-over-usb and this one https://www.thepolyglotdeveloper.com/20 ... cable-...
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0answers
20 views

Weird output on 10.1" HDMI/USB touchscreen (Waveshare)

I have an HDMI+USB 10.1" screen connected to Pi. When used only HDMI is work fine but when pluged usb (touch) the display weird output.
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0answers
30 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 ...
1
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2answers
63 views

3B+ “Internal error: Oops: 17 [#1] SMP ARM” after system wide grep pattern matching

friendly forum! I had just setup my 3B+ with ssh certificates and things(booting from a Sandisk Cruze 16GB, no other device connected, wifi internet) and was tinkering with the motd when I ran a ...
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0answers
28 views

Create a wireless N64 Controller

I am very new to Raspberry pi. I have retropie set up on a pi 3 and am using usb dongle n64 controllers. I was recently given a pi zero w as a gift and thought that I might be able to use it with the ...
1
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1answer
48 views

Serial comms to Arduino unexpcted behaviour

R Pi 3 B+, Arduino Mega 2650 I am trying to send motor control instructions via user input from the Pi to the Mega. Pi side code... import serial port = "/dev/ttyACM0" rate = 9600 s1 = serial....
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2answers
61 views

Powering Rpi won't boot using custom microusb and supply

I'm attempting to power my Raspberry Pi with my own power supply. As you can see from the picture, that is the micro usb I have modified to connect to my power supply. However, when I connect it to my ...
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0answers
36 views

4 USB to Ethernet Converters Issue

I take 4 USB to Ethernet converter (IP address: 10.12.1.251~254) do the test found when 1 data line offline (just moved the CAT5e wiring_10.12.1.254) the RPI3 detect it, the windoes no this IP address ...
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0answers
53 views

WiFi does not work if booting Raspberry Pi from SSD on USB

The WiFi does not work on my Raspberry Pi 3B+ if I boot the RPi from an SSD disk connected to one of the USB ports (Raspbian Stretch). Clicking on the "double arrow" icon at the top right of the ...
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0answers
25 views

Raspberry pi zero isn't detected by pc over USB

So I've been working on a school project for the past couple weeks, and I've programmed over usb to make it the process easier. Everything was working fine for a solid 2 weeks until the system crashed ...
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0answers
25 views

USB camera pipe error after a while

We have RPi3B+ with Raspbian Lite installed, 2.5A power supply. We need to connect a specific USB camera (LEPTON PureThermal 2) and display its image. The connection with the camera works, it gives ...
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1answer
59 views

Boot from USB Connected SSD

It seems that existing guides of how to boot from USB are out of date, and the one here (https://learn.adafruit.com/external-drive-as-raspberry-pi-root/hooking-up-the-drive-and-copying-slash) didn't ...
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2answers
98 views

Ejecting USB dslr camera

I'm using gphoto2 to capture images with my nikon dslr connected to a raspberry Zero W My problem is that the camera stayes awake as long as there is a usb connection. How can I eject the USB ...
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1answer
26 views

raspberry pi dies when I connect UB wifi adapter

I bought an USB wifi dongle recently and I want to connect it to my Raspberry Pi. When I connect USB wifi to Raspberry Pi, it seemingly dies - the SSH connection dies and I can't ping it (I don't ...
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1answer
41 views

3B+ will not boot from USB

New Pi 3B+, Sandisk Cruzer 16GB as adviced here: https://www.raspberrypi.org/blog/pi-3-booting-part-i-usb-mass-storage-boot/ Formatted as one fat32 partition then Etcher:ed with the lite version, ...
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0answers
12 views

Install USB Wifi to run in parallel on RPi 3+

This is a very similar question to one already asked, but it is different in that I want the USB dongle to provide internet access to the RPi while the RPi AP still operates. I am trying to set up a ...
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3answers
71 views

Find usb device name to unmount/eject

I have a canon camera plugged into the usb of my Pi. I want to unmount or eject it but I dont know how to find the device name to supply to the unmount or eject command. lsblk gives the following ...
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0answers
25 views

Emulate USB devices from one Pi zero to another Pi zero

I'm looking for the best way to emulate USB devices that are plugged into a Pi zero and connected to another Pi zero through GPIO pins, so the second Pi zero will emulate the actual device that is ...
0
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1answer
77 views

How to get Raspberry Pi 3 & Android device to communicate with each other, and authenticate?

In an Android app that we created for a project (a step-counter fitness tracker), we require user authentication to access the user's data in Firebase. Same goes for the Python program in the ...
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0answers
32 views

How to access Tx Rx of UART to TTL converter on RPi 3B?

I accessed the hardware by connecting it to GPIO pins (TX-RX) and wrote a code that that could send instructions to that hardware and receive outputs from it successfully. The first few lines of code ...
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0answers
25 views

FFC 12 pin cable with a USB interface

I have this barcode scanner module and I need to connect it to my raspberry pi 3 b+. I am a beginner at this and I don't know how to go about it. I have been searching for weeks. The seller in ...
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0answers
23 views

pi 3 boots to display no usb keyboard or mouse

Sorry if this is a dumb question. I am trying to get my Pi 3 working, it is an old one and I am sure that it has been working in the past with OSMC. My laptop is running mint 19.1, I used Etcher to ...
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0answers
25 views

USB hub is switched into USB1 mode with USB2 peripherals

I was wondering why my USB sd-cardreader operates that slow, see this benchmark: root@DietPi:~# hdparm -tT /dev/sda1 /dev/sda1: Timing cached reads: 4 MB in 2.00 seconds = 2.00 MB/sec ...
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2answers
59 views

How to copy files from an SD in a USB card reader

I have a bunch of files I'd like to send to my rpi. I have them in 2 places: 1. on my mac and 2. on a an SD card for my pi that has corruption in the kernel and won't boot. I'd like to put the files ...
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1answer
36 views

Connecting USB to Raspberry pi and to PC Simultaneously

Can we connect D+ and D- of an USB to a PC and also to Raspberry pi? If that is so can we access files on both?
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1answer
35 views

USB SNES controllers getting fried?

Has anyone ever had this problem? Raspberry Pi3B+ running under voltage all the time in a car. I have purchased a high quality 5V power supply rated to 10 amps but not put it in yet, so I'm running ...
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0answers
25 views

PI 3B not booting without Logitech USB dongle plugged in

My (headless) Raspberry Pi 3B (boots from SanDisk Ultra Fit 64GB USB stick) will not boot at all without the Logitech universal keyboard/mouse dongle plugged in one of the USB ports. With it plugged ...
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2answers
2k views

Navigating through USB drive with “cd /myOtherFolder” causes “no such directory” error

When navigating the file system of my USB drive in the terminal, some weird things happen that didn't used to happen on my Raspberry Pi B+. I'm not quite sure how to articulate this, so I'll just show ...
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0answers
27 views

getting Zoom UAC2 usb audio to work

I'm trying to get a USB audio device working on a raspberry pi 3. It is listed when I do aplay -L as default:CARD=UAC2 Default Audio Device sysdefault:CARD=UAC2 Default Audio Device No ...
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1answer
43 views

Using my Apache2 www folder on a USB drive: PERMISSION DENIED

My Raspian Apache2 does not seem to like the www folder on a RAspberry-3B USB drive, which I can easily access from my Windows network. It keeps giving me You don't have permission to access / on this ...
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0answers
60 views

Pi Zero USB ethernet and USB mass storage

Idea: Have the pi zero act as a USB mass storage device and to move files to a network location using ethernet. There are a few examples like this over wifi, example (Smart flash drive) but in my case ...
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0answers
17 views

how to connect STM32F103C8T6 toboth of raspberry pi3 and GPS module via UART

I want to build a quadcopter based on STM32F103C8T6 microcontroller and two sensors(MPU-6050i, Baromter 5611) I will also add GPS NEO-M8N and Picamera, instead of radio controling i will use a wifi ...
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0answers
38 views

Raspberry Pi's Ethernet cable port suddenly stopped working after connecting 4-channel Relay board

I am having trouble with my Raspberry Pi's Ethernet and USB ports. I was using Ethernet port usually for my experiments with pi. But I tried to connect 4-channel relay board to my pi. According to my ...
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0answers
32 views

Communication from Raspberry Pi 3B to Pi zero 1.3 via USB

I have a Raspberry Pi 3B that I need to use to communicate to a Pi Zero 1.3. I am able to SSH into the Pi 3B from my computer via ethernet. I can also SSH into the Pi Zero from my computer via USB. ...
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1answer
191 views

Raspberry Pi Current & Voltage Sensors (10A rating and ~40V respectively)

I've been searching through multiple forums, and gone to different links online trying to find a "cheap" solution to my question. I am currently trying to monitor the current and voltage of an ...
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1answer
47 views

Raspbian Stretch udisks2 automount

I have installed udisks2 on a minimal Raspbian Strech image, but I can't find any doc to understand how to configure it in order to have USB automounted device. Any help?
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0answers
35 views

Corruption of external USB pen

I'm running Raspbian Lite on an RPi3B+. It's powered with a bench power supply capable of sourcing over 3A. I never see an "under-voltage" warning. My application requires an USB pen drive always ...
0
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1answer
17 views

pxe boot works but USB ports don't

I'm running a PXE server that provide the boot files perfectly. The raspbian jessie start well but the mouse and keyboard doesn't work. to create the respo, i've done a rsync on a working image ...
0
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1answer
62 views

3.5 inch HDD case/rack with seperate USB connection?

I want to build a NAS with RAID 1 using two 3.5 inch HDDs. I want to connect the HDDs via USB. Thus I'd need two cases for the HDDs with two seperate power supplies. Cases/Racks with two HDD slots ...
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2answers
80 views

Physically Identify a faulty USB drive on the Pi (3B+)

I have four identical USB flash drives connected to a Raspberry Pi, one of which is (apparently) failing. I'm trying to find out which one.. It (the device is at /dev/sda) won't mount, with the ...