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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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What problems can occur when unplugging a (sync'd) USB drive?

I want to know if there are any specific technical reasons for not just unplugging a USB drive that is still mounted, provided: 1) All open files on the stick have been written to and closed 2) The ...
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1answer
23 views

Transfer files from my old SD card to a new one

Totally lost on this. I accidentally fried my pi by connecting the wires on a Motor driver the wrong way round! So, new PI and as I didn't update Raspbian I had to download Noobs to a new card. Up and ...
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1answer
43 views

Connecting Raspberry Pi 3 with Huawei Surfstick 372

I tried to connect my Raspberry Pi with the Huawei Surfstick. All the tutorials i watched so far didn't helped me. If i plug in the Surfstick the raspberry shows that it is associated with it and has ...
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1answer
30 views

Cannot ssh to Raspberry Pi zero W via Usb

I usually ssh to my Pi zero via usb, but for some reason its not working anymore. but after looking in the gui using hdmi, it seems like the ip on usb0 is different from what is showing on my windows ...
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1answer
20 views

GPIO solution to power Pi

Looking for a GPIO solution to power a Pi 3 B+. Basically, trying to bypass the Pi micro USB connector. Also, any suggestions on hardware to build a compact, inverted, USB male right-angle ribbon ...
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1answer
24 views

Can I use the Raspberry Pi as a Soundcard

I have an HifiBerry AMP2, which is a RPi hat that lets the RPi act as an audio amplifier. Now I want to connect my PC (Mac) to the RPi, but it does not have a line- or mic-in. So I am wondering if I ...
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14 views

UV4L - USB Camera: Device not detected

need some help on what I'm doing wrong. Cannot run uv4l --driver uvc --device-id 1415:2000 due to following error messages: <notice> [core] Trying to loading driver 'uvc' from built-in ...
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1answer
28 views

Only allow a specific peripheral to be connected to a USB port

I am turning my raspberry pi prototype device into a market product. The data and the program running on the pi must be protected. But we have a USB webcam attached to it (provided by us, hence we ...
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1answer
62 views

trying to run 6 USB cameras simultaneously on a single Raspberry Pi 3B+ with add-on 4 port USB hub with external power

We are trying to simultaneously run 6 cameras on a Raspberry Pi 3B+ with an add-on 4 port USB hub that has an external power supply. The cameras are set at 15 FPS with a colour image size of 640 X 480....
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1answer
34 views

Raspberry Pi OTP and booting from USB

I was reading this article about booting the Pi from USB It mentions that the Raspberry Pi 3 requires the USB boot bit to be set in the OTP (one-time programmmble) memory. ... Once ...
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1answer
48 views

How can I correct errors when connecting android phone the pi with a usb cable?

I have pi B+ with a new install of rasbian today I am trying to connect my Samsung Galaxy Edge 6 with a usb cable. I have previously connected the phone to a linux pc using the same cable with no ...
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27 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 ...
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1answer
59 views

Is USB Pass through possible?

I'm a new user to Raspberry Pi and this is my first Pi project. I'm running the latest version of Raspbian. Question: How do I configure my Raspberry Pi 3 B+ to map one USB port to another? One ...
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1answer
33 views

Using a molex powered usb panel to power multiple pi's

I have been looking into multiple ways to power numerous rapsberry pi's from one power source. I am not an electrical engineer and as such some methods I have researched online are less than ideal, ...
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0answers
14 views

Scan search USB port and manipulate the data received from wireless modem

Any example which helps me to search the automatic USB port availability in raspberry pi and sends the information of wireless sensor network, which uses the wireless modem as a gateway receiver. I ...
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1answer
38 views

USB Hub suitable for powering a RPi 3 b+ and multiple usb sticks?

I was wondering if it was possible to power a raspberry pi 3 b+ and a dozen usb 3.0 sticks, or if not, what would be the best recommended way to go about this, ideally i'm looking for an off the shelf ...
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1answer
164 views

Can't mount USB drive

My USB drive won't mount! When I try to mount it using this command: sudo mount -t vfat /dev/sda /media/BackupUSB -o rw,umask=0000 it would just say that it is already mounted or in use, but it ...
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1answer
24 views

what Usb installer is available on the raspberry pi?

I recently bought a new computer without an OS on it, and I have just the raspberry pi right now, it's a 3b (not b+) and I want to burn an ISO onto a flash drive (specifically ubuntu budgie) however ...
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1answer
115 views

Headless pi zero HID keyboard

I am trying to get my pi zero to act as a HID USB keyboard when plugged in to a computer, following this guide. I finished the configuration, and I get to the "Keyboard / Mouse / Joystick (HID)" ...
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0answers
43 views

How to wake PC from suspend — via USB with Pi-0 in Gadget mode?

I have a Raspberry Pi Zero and I am attempting to use it to wake up a computer. Wake-on-LAN is not an option in this case. I have configured the Pi to function as a USB keyboard in gadget mode by ...
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2answers
170 views

Boot from USB, if no then SD card

What I want to do is something really simple just like in an ordinary computer you can set the boot order, I'd like to do this on a raspberry pi, if there is a bootable usb media use that, if not fall ...
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1answer
30 views

Direct connection to Pi with usb-to-ethernet adapter possible?

I've got a pi 3B to which I always ssh over my home network. I'm now going to be traveling for some time and I want to mess around on the go. I read that you can connect directly to the pi using a ...
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1answer
37 views

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/...
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0answers
25 views

How to clear “self assigned IP” error when using OTG g_ether gadget

From a Macintosh OSX host I'm using the OTG g_ether gadget to connect through USB to an rpi zero running raspbian stretch. The proceedure is documented in many places and requires editing config.txt ...
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37 views

Storage device interface through MIPI CSI+DSI connections

So I love the Raspberry Pi and currently own and use a model 3b (not plus) for learning more about linux and hardware as well as simple projects like a DNS cache server. Lately I was thinking about ...
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2answers
41 views

Use Pi 3 B as external memory

I have a 3D Printer that I monitor with my Raspberry Pi, but I would like to connect the pi via USB to the printer so I can also use it as external storage for the printer as well. Is there a way I ...
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2answers
26 views

Mounting of USB drive within rc.local works only until I log-in

This worked prior to current upgrade. Here's my rc.local (fragment): date > /tmp/rc.log sleep 20 mount /dev/sda2 /mnt/sg3t/ df >> /tmp/rc.log sleep 10 df >> /tmp/rc.log after login, ...
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0answers
64 views

USB WiFi dongle not being detected as WiFi device

I bought a Wifi dongle from ebay and it gets recognized by the pi, but not as the correct device. the device is Realtek rtl8188ftv lsusb shows it as Bus 001 Device 006: ID 0bda:f179 Realtek ...
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1answer
58 views

Booting from USB

I have spent well over 2 hours on trying to boot my Pi 3B with USB. From what I have understood, as long as the program_usb_boot_mode is set to 1 you can simply plug in the USB and boot. However, in ...
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2answers
106 views

Is it possible to clone the SD Card to a USB flash drive and boot from it?

I have a new Raspbery Pi 3 B+ which actually boots from a 8 Gb SD Card. Now I want to toggle to a 32 Gb USB flash drive, so I wanted to clone the SD Card. I think it should work, but I can't succeed. ...
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21 views

Raspberry Pi 0 USB port working, but not responding

So, I am trying to make an EmulationStation for my family, but there is one HUGE problem. I am using a raspberry Pi 0 and 0w, but the problem is happening in both of them. An example of my problem: I ...
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0answers
32 views

Retropie arcade controller wireless

I'm assembling an arcade game controller (like the ones in the old cabinets), the kit I bought has a USB encoder. Is there a way to make it wireless? I searched online for some usb dongles pairs to ...
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0answers
21 views

Turning off power to usb ports for a joystick

I have 2 joysticks + 1 keyboard connected to a Raspberry PI 3B+ running the latest emulation station, and I'm looking for a solution to be able to turn off one or more of these devices from software (...
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39 views

Multiple USB-audio dongles in raspberry pi

I need to record multiple microphones independently based on external events. I wonder if having a USB hub and multiple USB-audio dongles will allow me to do so. So my questions are: How are these ...
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2answers
47 views

How to increase voltage of USB ports on the Raspberry Pi 3 Model B?

I have been trying to build a Raspberry Pi laptop, and I found an issue where my screen required power at all times to run , so I decided to plug the screen in to the USB port in the Raspberry Pi. ...
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1answer
99 views

Using a RPi Zero to build a WiFi USB Stick with `modprobe g_mass_storage`

I am trying to build a WiFi USB Stick using a Raspberry Pi Zero W. I want to be able to plug in the RPI to a computer or whatever device able to output data to a USB port and then the specific mounted ...
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0answers
29 views

Why isn't my USB drive listed in /dev/block?

I plugged a USB drive into my Raspberry Pi and am trying to find it in /dev so I can mount it and use it. It doesn't appear to be listed in /dev/block. It's a headless Pi that I'm controlling from ...
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0answers
29 views

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 ...
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0answers
54 views

USB Webcam frame rate and resolution relationship

I have a Logitech c920 USB webcam connected to a raspberry pi 3. On executing: v4l2-ctl --list-formats-ext It outputs: Index : 1 Type : Video Capture Pixel Format: 'H264' (compressed) ...
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1answer
69 views

Raspberry Pi Zero as webcam

I read some case, like using dwc2 and g_webcam in /boot/config and cmdline. but hard to understand and doesn't work. and can't find a tutorial, there are some tutorials only about serial and ethernet. ...
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1answer
37 views

Modifying input of HID via GPIO of PI (unless there is a better way?)

Basically I want to control the input of a USB HID via one or more other HIDs. I know there are commercial options available to do this however they are closed source and expensive. I'd like to get ...
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0answers
22 views

read data of water level sensor connected to USB port of Raspberry Pi3

How to I do communicate and get data of water level sensor using USB port of raspberry pi3? The sensor has RS232 port for communication. I have USB to RS232 Adapter connected to USB port of Raspberry ...
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0answers
41 views

Samson Meteor USB mic - low level “buzzing”

How can I diagnose and fix this issue? I have plugged my Samson Meteor USB mic into my Pi Zero W and run the ALSA arecord program. When I do, I get a low level "buzzing" that is quite audible in ...
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1answer
34 views

Connect to 3G (yet again)

I'm trying to connect to a 3G network via a Huawei E173 modem. Thankfully it is getting recognized as a usb modem without me having to deal with modeswitch Bus 001 Device 006: ID 12d1:1436 Huawei ...
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1answer
31 views

Can't achieve process about booting from USB

I'm trying to install RetroPie on an USB stick and I want to boot on it. So I follow this instructions HOW TO CREATE A RETROPIE USB BOOT DRIVE FOR RASPBERRY PI 3 The start of the instructions seems ...
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0answers
29 views

Using RPi as a 4g enabled dropbox usb stick

First of all hello, I am exceptionally new to the concept of the Rasberry, however I have an application that I am hoping it will be able to do. I was hoping someone may be able to give me some advice....
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1answer
226 views

A USB modem not working on Raspberry Pi 3 Model B+

I have been trying set up USB modem on my pi (Raspberry Pi 3 Model B+) but have not been successful. The modem in itself is recognized - lsusb shows the entry for the device - but I cant't get it ...
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2answers
146 views

Output sound over USB and into a computer (no 3.5mm jack)

I am trying to make a soundboard for my computer using my raspberry pi and a touchscreen. In order to mix the pi's sound out with my mic, I need it as a separate input to my computer (my mic uses the ...
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1answer
52 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 ...
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1answer
207 views

Raspberry pi 3B wont boot from USB with correct OTP settings

I'm trying to boot my Raspberry Pi 3B (not 3B +) from a USB flash drive. I've added the program_usb_boot_mode=1 line the /boot/config.txt I've changed the right bits in the OTP and checked it: pi@...