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Questions tagged [usb-hub]

An USB hub is a device that expands a single USB port into multiple ports, thus allowing to connect more devices to a host system. The USB&LAN controller (LAN9512) acts as on on-board USB hub on the Raspberry Pi (except Pi Zero).

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Can't power RP4 from same active hub the peripherals are connected to

I'm building something NAS-like with a RPI4 Model B Rev 1.2 and 2 hard disks. I'm using an active hub for the hard disks and wanted to power the RPI4 from it as well. Here is how I wanted to wire it: ...
felher's user avatar
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I have a raspberry pi3 and i want to use the ethernet port on my pi to send ethernet connection to my laptop

Is it possible to use my raspberry pi3 like a USB ethernet adapter to send ethernet through to my laptop using a USB, I dont care if the network isn't crazy fast I just want to play games on my laptop
Grif's user avatar
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RPi 4B powered USB hub having I/O errors

I do have a problem of I/O errors while reading movies with JF from a HDD plugged to a powered hub plugged to the 3.0 USB port of my RPi 4b. My hardware : Raspberry 4B, SSD plugged to a USB 3.0 port ...
Bekkk's user avatar
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Pi 4B OTG USB advanced troubleshooting/debug or logs

I followed this wonderful guide: https://magpi.raspberrypi.com/articles/pi-zero-w-smart-usb-flash-drive and I was able to made it working on my loved Pi4B. Everything works fine as mass storage ...
flic47921's user avatar
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Raspberry pi zero 2w and usb c hub

I have a raspi zero 2w and inside flirc case and using 4year old 16gb sd card and headless pi os; it uses usb micro to usb c and then usb c to ethernet. I wanted to transfer some files from pi to my ...
splintercell9's user avatar
1 vote
1 answer
97 views

UDev rule for removing device not triggered

I am having a monitor with an integrated USB hub (and a physical power-switch) attached to my pi and want to execute two different scripts, when the monitor is turned on and off. The first part for ...
treuss's user avatar
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2 answers
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Can I power a raspberry Pi 4B from a connected powered USB 3 Hub with 2 USB 3 hdd's connected?

I'm currently running a first gen. model B as a SMB media server with two 2.5 inch USB 3.0 disks connected to an externally powered USB 2.0 hub connected to the Pi. The Pi itself is also powered with ...
Matthias Duyck's user avatar
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What damage can a Y-Cable plugged to the the USB-A 3.0 port do to the PI400? [duplicate]

I'm using a USB Y-Cable with my Pi400 to power and use an old WD 2TB MyPassport Usb3.0 HDD. I'm using a separate 5v-1a PSU so the HDD doesn't have brown-outs. So far I've been using using the cable ...
luckyluca's user avatar
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180 views

Using Raspberry Pi as USB device description pass-through/emulator

TLDR: Is it possible to use a Pi (or Pi like device) as a method for emulating a USB device descriptor and passing packets across? If I could get the Pi to emulate the correct ID and details, I could ...
I.Tend.To.Break.Things's user avatar
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how to give power and ETH to pi pico W at same time?

Learning following project https://github.com/sbcshop/Raspberry-Pi-Pico-RFID-Expansion. Now the requirement is to connect project with Ethernet network, also provide power supply at same time. Qustion:...
R. Baraiya's user avatar
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I broke SSH access to my Raspberry Pi

I had my Raspberry Pi 3B+ running old Raspbian Jessy. I was connecting to it by ssh. I have installed uhubctl. uhubctl is a tool which can turn off power supply for USB port. I got # uhubctl Current ...
Dims's user avatar
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2 answers
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Pi 4 won't boot after powered USB hub was connected

MY Pi 4 won't boot anymore after I connected a Sabrent HB-UMP3 powered USB Hub. The Pi4 had been running just fine for around 2 years, yesterday I hotplugged the abovementioned hub and the Pi ...
Blindfreddy's user avatar
1 vote
1 answer
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Power issue: USB 4G Modem via USB Hub

I am hoping to get some advice, below is the hardware I am using, Raspberry Pi Zero 1.7W (Raspbian OS Lite - 2022 Kernel) Ethernet / USB HUB HAT (B) Hologram Nova 4G Modem Initial power tests, I see ...
Beaker's user avatar
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4 answers
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Raspberry pi-4 powered usb hub backfeed issues

I have a Raspberry SC15184 Pi 4 server and I'm looking to power 3 USB peripherals each with a 3-6W power requirement (which should be 0.6-1.2A given pi-4 operates at ~5V). This is above the 1.2A ...
Discombobulous's user avatar
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1 answer
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How many HDDs can be connected to a raspberry pi zero 2w (by using usb hubs)?

Trying to find out how many drives I can connect to a raspberry pi 2w. Basically how many devices the host controller supports. More information: this is a for a Chia (crypto) harvester. I would be ...
rufo's user avatar
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Using a PD USB hub for power and data for Pi 4

I want to use a 7" LCD (not the official Pi 7" LCD) together with the Pi 4. According to the LCD documentation, it requires 2A. I was planning initially to power the LCD through one Pi. Now ...
Zaffresky's user avatar
2 votes
1 answer
361 views

Use powered USB hub for peripherals and power

I want to run an external HDD on a Pi (currently a first-generation model, I might replace it with a Pi 3 in the future). The drive has no extra power supply apart from its USB port. Just plugging the ...
user149408's user avatar
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Raspberry PI4 usb 3.0 seems not working properly [duplicate]

I am using a Raspberry PI4 with Google Coral TPU and a Telit Lte modem both attached on USB 3.0 ports. I get a lot of "Under-Voltage" messages also using the Raspberry power supply(5.1V, 3A)...
Andrea Lancioni's user avatar
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raspberrypi kernel: [14247.511414] mmc0: timeout waiting for hardware interrupt

Setup = Rpi > USB HUB > USB TTL adapter/cable > 2 LTE modules. Protocol = AT Commands. Problem = mmc0: timeout waiting for hardware interrupt. Question = Any investigation method and ...
Praveen Deshmane's user avatar
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445 views

Would it be possible to emulate a ps4 controller on USB-out

Would it be possible to create a PlayStation 4 controller USB interceptor of sorts for the purpose of using macros? The project’s model would look like this: • You are plugging PS4 controller in one ...
TheHalfGAME's user avatar
1 vote
0 answers
647 views

Problem with booting Raspberry Pi 400 from USB drives

Summary: I have a USB3 flash drive that I can use to boot my Raspberry Pi 400 without a problem, but only when it is directly attached to one of my my RPI 400 USB3 ports. However, when I attach the ...
mcgregor94086's user avatar
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1 answer
356 views

Can I use the usb pins on the pi cm4 directly?

I'm designing my own CM4 breakout board. If I only need one usb device, can I use the usb pins on the pi cm4 directly without the multiplexer chips?
bob mcgrath's user avatar
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543 views

Connect Raspberry Pi from Android App through USB

I'm building an android app where there's a requirement to show the temperature in the app from the sensor in Raspberry Pi Controller. For this purpose, I'm trying to connect my android device to ...
Rajesh's user avatar
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1 answer
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share ethernet connexion to ethernet usb adaptor thanks to raspberry pi

I try to connect my ps4 with my vpn connexion without using the computer. I install the vpn on a raspberry pi 2 and i connect my raspberry to internet by the ethernet connexion. I use the raspberry ...
marc assain's user avatar
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0 answers
56 views

Connecting hub to 1 USB port vs 2 USB ports?

The Pi 4B has 2x USB 3.0 ports. I have 2 choices to connect my hard drives: Using a single 10-port hub which connects to 1 USB 3.0 port. Using two 5-port hubs which connect to two USB 3.0 ports. ...
Livy's user avatar
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1 answer
233 views

External HDD causes SSD to not boot, but works fine when plugged in later

I have a Raspberry Pi 3 model B with no microSD card (the OTP bit is set). It can boot from an SSD connected via a USB2 SATA adapter. However, when a 3½-inch USB3 HDD is connected, the Pi doesn't boot....
bitinerant's user avatar
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270 views

RPi4 USB-C hub not working on reboot

I have a LogiLink USB-C 3-Port Hub UA0315 plugged in Raspberry Pi 4 which is powered through external power supply. The hub is working when plugged in, however on reboot it is no longer detected until ...
Martin's user avatar
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2 answers
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Usb not working on RPI4B [closed]

Keyboard and mouse and hub not working. I have acess via SSH and VNC though my laptop. The pi cannot see all that. I tried lsusb but nothing shows up except Bus 002 Device 001: ID 1d6b:0003 Linux ...
lowhatwo's user avatar
1 vote
0 answers
384 views

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 ...
Banky's user avatar
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1 vote
1 answer
2k 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 ...
Bastien Bastien's user avatar
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1 answer
3k views

Disable USB driver on RPi Zero W

I am using a Raspberry Pi Zero W running Raspberry Pi OS (32-bit) Lite (Aug 2020). This is an IoT project where, I have a USB modem that makes my internet connection. When the modem is powered on it ...
Beaker's user avatar
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-1 votes
1 answer
171 views

It's possible to power Raspberry Pi Zero though a USB Hub?

I want to use a Raspberry Pi with 2 USB connections. One connecting it to a computer and one connecting it to another device. This is possible, right? I just need to use a USB hub. But can I power up ...
pmjoe's user avatar
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1 answer
533 views

Setting USB current limit on Raspberry Pi 4

I have a Samsung Galaxy s8 that's connected to my Raspberry Pi in order to provide an internet connection. I'm looking to limit the harm done to the battery in the phone. Right now the battery in the ...
kkx07805's user avatar
2 votes
2 answers
724 views

Raspberry doesn't recognize me disconnecting a USB device

I have a Raspberry Pi with an Amazonbasics 10-port USB hub which has a PPPS (port per port switching) function, basically, it can turn off power to any power via a tool called uhubctl. When I use ...
Roee Klinger's user avatar
1 vote
0 answers
1k views

How can Rpi4B use multiple on board and USB based UART / serial ports?

there. I am trying to use rpi 4 to access my own device through UART. However, the number of UART port isn't enough for me since I'm trying to access more device in same time. Thus, I want to know if ...
黃政鈺's user avatar
1 vote
0 answers
496 views

How many usb devices does raspberry support? [duplicate]

Colleagues, hello, everyone. I have a raspberry that produces errors, 10 usb devices connected to it via hub. What's the diagnosis? I have the following equipment installed:raspberry pi4 model B 4 GB,...
Dmitry's user avatar
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1 vote
1 answer
2k views

Error when connecting more than ten USB devices on Raspberry Pi 4 [duplicate]

What is the limit of USB devices in raspberry pi4? We have an external USB hub with its power supply and 10 devices fall off with errors. [Wed Mar 11 09:04:43 2020] usb 1-1.3.4-port1: Cannot enable. ...
Dmitry's user avatar
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1 vote
0 answers
191 views

USB ports for 4G modules disappears after resetting the 4G module

I am using the EC25 quectel LTE module with Raspberry Pi 3 Model B. I can access the internet using serial pins of raspberry pi i.e. UART Tx and Rx. I can find ttyUSB[0-5] in ls \dev. I am sending AT ...
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1 vote
0 answers
1k views

Getting ftdi_sio ttyUSB0: failed to get modem status: -32

Iam using Raspberry pi 3b along with Xbee and Sixfab 3G/4G base sheild. getting ftdi_sio ttyUSB0: failed to get modem status: -32 usb usb1-port1: disabled by hub (EMI?), re-enabling... and also ...
Ramana's user avatar
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3 votes
2 answers
2k views

Using USB hub to power external hard drive

My Raspberry Pi can't produce enough power for WD external drive. I see that people recommend using a USB hub. My WD hard drive has only one input. If I connect it to a USB hub, how do I connect the ...
damluar's user avatar
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1 vote
1 answer
77 views

Powered USB Hub Requirements

I dont plan on powering my Pi through a USB hub, but I do intend on hooking up some HDD's to a powered hub since everything I see so far seems to indicate that the pi cant power multiple HDD's. If ...
cptHoek's user avatar
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-1 votes
1 answer
2k views

The USB ports do not work anymore on my RPI4

Since yesterday, the USB ports of my RPI4 do not work. When I plug a usb device like a hard drive or a usb stick, I don't see any message about it in the logs and no new device in /dev. When I type ...
Tiky's user avatar
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0 votes
1 answer
158 views

Signal generator connected to raspberry pi via USB

Ido connect to the device from my raspberry pi and able to send commands. The power consumption of the SG is 2.5 W. That means that the current of usb port should be 2.5 / 5 = 500 mA. >>> ...
Serj's user avatar
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1 vote
1 answer
229 views

Will this work out (usb hub + rpi zero w + Zishan Z1 DSD)?

Well, I want to connect Rpi zero W and Zishan Z1/2 DSD in one case, but with both devices working in one port connected to PC. (with working usb device in Rpi if in "portable" mode or in both ...
Casual's user avatar
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16 votes
7 answers
55k views

Best way to power multiple Raspberry Pi 4s?

Abandoned post by Unregistered user. I ordered a few Raspberry Pi 4s, still under way, each with their own power supply, and I plan to get more, but when I have been previously able to power RPis ...
Roger's user avatar
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4 votes
2 answers
162 views

Powered USB3 Hub vs USB3 Y Power Cable

I have an issue that means I have to use a powered USB hub for the HDD that is attached to my RPI4 (long story). The hub just broke. My budget doesn't allow for a decent powered USB3 hub BUT does ...
lukenm's user avatar
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8 votes
10 answers
10k views

RPI4 won't boot with powered USB hub

I have an RPI4 running a Plex server, Pihole, etc etc. Power kept dropping while running certain tasks involving the attached HDD, so I started using a powered USB3 hub - problem solved. But now the ...
lukenm's user avatar
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0 votes
0 answers
25 views

Can I issue a command when a specific message issued in the syslog

I am having power problems with my USB devices which is proving difficult to resolve. However I can see on the syslog that there is a specific error message which shows there is a problem. What I ...
xh28's user avatar
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0 votes
1 answer
399 views

LTE modules connected to USB hub cannot be accessed

The USB-HUB is self-powered, and two LTE modules are connected via USB-SERIAL to USB-HUB. We are facing a problem is that,The devices which are connected to USB-HUB can not be accessed. Is there any ...
Praveen Deshmane's user avatar
1 vote
2 answers
141 views

USB hub raspberryPi

I've been searching for a host-powered USB hubs with Raspberry Pi and discovered that most of the hubs are sort of built for the raspberry Pi device. I intend on using the USb port for serial ...
Desmond Hammond's user avatar