Questions tagged [usb]

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

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Boot from Intenso SSD USB

I'm working with a headless pi4b and can't get it to boot from a USB SSD. Synopsis I've tried cloning a microSD that boots fine and was being used up until this point. I've also tried installing a ...
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Can't connect to raspi using USB (RNDIS) after setting up systemd networking

I followed this guide to set up networking over systemd: Use systemd-networkd for general networking After rebooting I can't connect to my Raspi again using USB cable (with RNDIS). Also, I somehow ...
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NEO-6M GPS Module Not Working

I have an RS232 NEO-6M GPS module connected to my Raspberry Pi. The board I have requires power, ground, TX and RX. Power and ground are connected to my Raspberry Pi's GPIO pins (+5V and GND), and the ...
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62 views

After writing Raspberry Pi OS to SSD, I cannot add ssh file

I am trying to boot my Raspberry pi 4b from an SSD. After following the most recent instructions I could find for allowing booting via USB (updating bootloader, setting boot order), I installed ...
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67 views

Black screen when trying to boot from SSD on a Raspberry Pi 4B

When I try to boot the Raspberry Pi 4B from my SSD, the screen goes black and the system does not start. This is my current hardware setup: Raspberry Pi 4B 8GB RAM. Crucial MX500 1TB SSD Hard Drive ...
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10 views

Slow connectivity, USB modem with Raspberry Pi 4

I am having serious problems with my USB modem (it's a D-Link DWM-222) combined with my Raspberry Pi 4: I tried configuring it with wvdial, using a script called "sakis3g", I used the pppd ...
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7 views

no getty on ttyS0 when booting from a USB drive

I have customized a headless raspberry pi OS (Dec 2020 version). I performed all customizations while running the OS from a microSD card. As a last step , I dd the microSD to a USB drive. The system ...
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2answers
30 views

USB booting from 2TB drive. How do I make a SD card image out of it?

Pi4, booting from a 2TB USB drive attached. I've finally got the system the way I want it and I'd like to be able to make an SD card image from it so I can quickly recover when I screw it up. Total ...
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31 views

How do I make my Raspberry Pi act as a wireless USB controller? Not over the same network but remotely using a 3G/4G & LTE Base HAT

I am trying to download data from a USB based device remotely. i.e. Using a WiFi dongle or 3G/4G & LTE Base HAT. Am I able to install a driver for a WiFi dongle or 3G/4G & LTE Base HAT on an ...
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Why does my external usb 3 DVD player play some DVD's but not others?

I did buy an external usb 3 DVD player for my RPI 4. I plug it into my new usb 3 hub so that I pull power from the hub and not the Pi. Oddly, it plays some DVD's but not others. I wonder why? How can ...
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Raspberry Pi 2B External HDD not detected

I'm trying to connect my external hard drive to my Raspberry Pi 2B, but I am not able to get it to show up. I am running the latest Raspbian, and I have updated my software. Running lsblk --fs, I only ...
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1answer
24 views

Boot from read-only USB media

I've bought a USB flash stick with a write-protect switch. I've installed and updated buster and enabled the overlay fs (also changing /boot to read-only). The intent is to be able to boot with the WP ...
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62 views

Hot plugging a USB to serial cable to get a login prompt

Using 2020-12-02-raspios-buster-armhf-lite I have attached a USB to serial cable and enabled logins with sudo systemctl enable serial-getty@ttyUSB0.service sudo systemctl start serial-getty@ttyUSB0....
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Problem with USB RFID Reader and Raspberry pi 4

Firstly I'm just a beginner trying to get into pi world so my knowledge is minimal at this point. I'm trying to make USB RFID card reader work on raspberry like it works on my Windows pc, imitate ...
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enable_tvout (Pi 4B only) [duplicate]

I want to connect a Raspberry 4 Model B to a Light projector (wintech PRO6500). And I cannot do it properly. I am using the following in config.txt. # uncomment to force a specific HDMI mode (force ...
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Config.txt for connecting RPI4 to Light Projector [duplicate]

I am using this code in the config.txt and I am not able to connect properly to the projector. It is possible to decide to display or not an image but it isn't possible to turn On or Off the projector....
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42 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 ...
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67 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 ...
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41 views

Strange DLP projector connection with RPI [duplicate]

I am using nanodlp with a DLP light projector (wintech PRO6500) and a raspberry 4. I have seen that the raspberry allows me to define /dev/ttyAMA0 referring to the projector. But /dev/ttyAMA0 already ...
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How can I make a bootable USB image that can “chain boot” to the microSD card?

I am using an RPi4 in a product and want to make a bootable USB image that users can connect to reflash the microSD card. My solution (normal/microSD card image includes script that makes sure boot ...
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2answers
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Can RPi 4B be used as a microcontroller for USB devices development?

Background I've made simple shortcut buttons to be used with Google Meet (componets on breadboard and the code in python): one button connected to some GPIO pin that makes a keystroke (ctrl + e) for ...
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73 views

Make Raspberrypi boot from USB first

I have RaspberryPi 3B+. I read that there is a way to make my raspberry boot from USB by changing config.txt that will change the OTP. Is there a way to make my raspberry to boot from USB and only if ...
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69 views

Use GPIO to power an USB device

I searched the forum but didn't get a clear answer. I have a "LED tinsel" powered by an USB plug. I tried connecting a 5V pin of my RasPi3 GPIO to the "+" pin of the USB plug, and ...
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1answer
99 views

How to run Arch from a usb SSD on a rasp4

I want to run the OS from a external ssd connected to the USB3 port of an raspi4. After looking for a guide I am unable to find proper information. Is it possible? For my part the boot can stay on an ...
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1answer
35 views

input interrupt error (UV projector)

I am trying to control a UV light projector with a raspberry. The raspberry recognizes the projector, as in the dmesg it says the product, the manufacturer and the serial number... but then this ...
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18 views

How to tether LINKZONE 2 hotspot to a Rpi4

I’m using a Rpi4 as a bridge. Rpi4 is connected to the hotspot WiFi wireless. Can I tether the hotspot to Rpi4 with usb and turn off WiFi?
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Error while creating the node [duplicate]

When I connect a UV projector to my raspberry I create two new nodes, /hidraw0 and /usb. Although the projector isn't responding because the node should be a serial lilke /ttyUSB*. Can I get any help ...
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39 views

Problem creating Node (Projector - Raspberry)

I use the raspberry for controlling a 3D printer. I was having problems connecting the UV projector (Wintech PRO6500) to the raspberry Pi 4. I found that the problem was that no node is created while ...
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2answers
191 views

Max networking performance with RPi 4 (Gigabit ethernet), with/without a USB3 external disk connected

I want to use my RPi4 as a small home NAS. To do that, I'm trying to benchmark the maximum file transfer performance. Workflow: Rpi4 connected to home router with a 1 Gbit cable computer connected ...
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USB detection problem after switching from raspbian stretch to buster

I have a device constructing from a raspberry pi 3 B and an AVR based usb device. The interconnection of these components is depicted in this picture. When RPI is on, data lines of keyboard will be ...
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2answers
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Can I setup a Rpi Zero W to prefer the USB wifi dongle instead on the embedded wifi?

I have an RPi Zero W, on which I want to use a Wifi dongle to have better reception. I can see my dongle, the drivers are recognized and I can scan with it, but Raspbian (stretch) seems to stick to ...
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1answer
329 views

Does the Raspberry pi 4 have USB 3.0 or 3.1?

I've seen many, varying reports on the natives USB ports on the Raspberry Pi. Some say that the Pi has 3.0 ports, while others say that the pi has 3.1 ports. In many applications, the distinction is ...
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Using Raspberry Pi to deliver POE to other products through the ethernet port

Scenario is this: Have a raspberry pi being powered through a usb-c adapter. Have a 3g usb modem, that connects the pi to the internet. Have a camera device connected to the ethernet port of the ...
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What causes problems with multiple USB audio devices on Raspberry Pi 3B?

I wanted to use a Raspberry Pi 3B (rev a02082) to record noise pollution in my neighborhood. This requires multiple microphones, but each one needs only 800 kbps while recording. So I thought that one ...
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2answers
60 views

2,5" USB external hard drive not detected

I plugged a 2,5" USB external 500GB hard drive to a Raspberry Pi 2 (Model B Rev 1.1), but it is not detected: there is no /dev/sda, /dev/sda1 lsblk does not display the disk lsusb shows a few ...
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1answer
203 views

Failed to start Load Kernel Modules on boot

I have problems starting my raspberry running raspian. I get a [ 55.174742484] systemd[1]: Failed to insert module 'ipv6' [FAILED] Failed to start Load Kernel Modules. Sooo little bit of ...
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Wyze v2 mjpg-streamer-experimental input_uvc.so setting for turning IR lights on to auto or on

Does anyone know the variable or setting to turning the new usb wyze v2 firmware on using mjpg-streamer? ~/mjpg-streamer# ./mjpg_streamer -i "./input_uvc.so -f 15 -r 1280x720" -o "./...
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167 views

Using a raspberry pi 4 as a usb audio interface

I want to use my raspberry pi 4 with hifiberry dac and adc as a usb audio interface for my android phone so that I can stream audio and make handsfree calls in my car. I'm having trouble finding ...
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1answer
67 views

Install LTE stick from Huwei 3772h on Raspberry PI with suisse telecom

Is there a way to use a LTE on Raspberry PI or Linux in general even if there are only .exe files on that stick? Did anyone get a LTE stick from switzerland to work with his raspberry pi?
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Having trouble with SD Card Copier

I put my USB on my pi and open SD Card Copier. I select the pi's sd card and the output device to my usb (dev/sda) and I click start: I notice on the file manager it creates a ~280MB partition and ...
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1answer
58 views

Raspberry Pi USB Joystick Not Working Immediately After Bootup

I am using a Raspberry Pi4 with a USB Logitech Extreme 3D joystick. I have a Python 3 application using the evdev library to read the joystick which works fantastic, however, when I first boot the pi, ...
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29 views

Emergency mode after automatically mount usb driver

I try to mount a USB drive automatically on my PI 3B+, i following the instruction on site « How to format and mount a USB drive on Raspberry Pi? » by Patrick I past in the /etc/fstab the partuuid of ...
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36 views

Raspberry Pi3B USB ports not working

I have a Raspberry Pi 3B v1.2 2015 which always worked really fine. But today I want to use it to read a serial comm from a BMS but the USB ports don't work. There are 5 volts reaching the port, to ...
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55 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 ...
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14 views

How do I move a volume group with two disks to another machine?

I have configured a volume group from two USB disks on one machine and put data on it. I need to temporarily use that two-disk volume group on another machine. When I turn off the second machine, put ...
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1answer
73 views

Is it possible for a Raspberry Pi Zero to act as both a Usb Gadget and a Usb Host?

I am currently working on a Raspberry Pi project, and found an amazing feature that I used many times on my LineageOs phone: Usb Gadget. I figured I could change the function of the Usb port to act as ...
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127 views

How to do pass through from USB to HDMI in Raspberry Pi Zero W

Is it possible to pass through from USB to HDMI in Raspberry Pi Zero W? I need to pass through video/data from my laptop to TV Monitor through Raspberry Pi Zero W while capturing passed data in ...
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31 views

Cross compiler fails to compile C code that includes a library (eg. libusb)

I need to control the USB ports of my Raspberry Pi 1 B+ in order to disconnect/reconnect USB devices without physically accessing the machine/cable. I have found hub-ctrl.c which seems to be just fine ...
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1answer
65 views

The built-in Raspberry Pi 4 Wifi doesn't work, but a USB wifi adapter does, is the built-in Wifi broken?

The only WIFI network I'm able to use is 5G WPA EAP. The Pi 4 it will connect to an access point, but on it's own it doesn't connect to the internet. When I ping www.google.com I get Temporary ...
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21 views

Is it possible to enter USB-C Gadget Mode using only dhcpcd?

I've been following tutorials like this one to make USB 'Gadget Mode' work on the Pi: https://www.hardill.me.uk/wordpress/2019/11/02/pi4-usb-c-gadget/ However the other day I had an issue getting it ...

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