Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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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Best way to power multiple Raspberry Pi 4s?

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 with USB-hub, there's apparently no USB-C-hubs, beyond few expensive 2 usb-c-port-hubs, in…
Roger
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Powered USB hub for Pi Zero

I am going to buy the Pi Zero (when they have more in stock...) and with only one USB port I need a USB hub to connect my keyboard, mouse, and WiFi dongle. I probably won't be connecting anything else in the near future. Will I need a powered USB…
doomslug
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What's the problem with backfeeding?

New to the Pi, so new in fact that my very first (a B+) hasn't even arrived in the mail yet... I know that "backfeeding" or "backpowering" refers to powering the Raspberry Pi via a powered USB hub connected to the Pi through the latter's USB port…
Kromey
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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 Pi won't boot with the powered USB hub attached. I…
lukenm
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How to Boot from one usb drive but have multiple drives connected to hub

After searching google, I know you can let a external usb flash drive take over after booting from the SD or microSD card. I want to know what is the easiest way to boot from one usb drive but have multiple drives connected for other purposes (ex:…
AncientOwl
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Could the Raspberry Pi be programmed to be a smart USB Hub?

I would like to get my Raspberry Pi (or some other single board computer) to act as a USB hub. So if I plug it into a (main)computer I would like to be able to have the Raspberry Pi appear to be a USB hub to the main computer, and then have the…
user802599
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Pi Zero W power through usb socket

Can I power a Pi Zero W and still use the usb hub at the sametime with this?
kyran bullard
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DIY USB 3 Way Splitter on Raspberry Pi Zero

I am making a portable raspberry pi zero, and I need to have a USB sound card, wi-fi dongle/adapter, and one extra usb port (for keyboard, mouse, etc) all connected to the micro USB port on the Raspberry Pi Zero. I could buy something like…
user38859
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USB OTG Hub does not recognize devices at boot

I have an OTG hub like this sold for use by a reputable dealer for use with the Pi Zero. However, while it shows up in lsusb as an unidentified device with ID 214b:7000: Bus 001 Device 002: ID 214b:7000 Bus 001 Device 001: ID 1d6b:0002 Linux…
goldilocks
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USB ports stop working after a week, needs restart

I am working on a project that involves Raspberry Pis which run 24/7, periodically fetch data from a server and display it on a screen. We have a problem with the USB ports - they appear to stop working after about a week of uptime. This happens on…
varesa
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Powering Raspberry Pi Zero and a HUB with one charger (3 in 1 cable)

I'm planning to buy the latest Raspberry Pi (Zero) and I'm trying to figure something out. Let's assume I have a decent power supply (2A) and I'm using this cable for powering it and powering an USB HUB. Connections: Male Micro USB: connected to…
koras
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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 allow for a decent USB3 Y Power Cable. Rookie…
lukenm
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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 EEPROM to function and that EEPROM has a field for a…
Dakkaron
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Terminal hangs while executing wvdial startup for 3G stick

I have connected a Rpi zero module to an USB hub(unpowered) and using one port for a 3G stick. 2 other ports are being used for Keyboard and mouse. I was able to install wvdial and update the .conf file as per the APN details for the service…
Analogman90
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Raspberry Pi's USB limitation when using web cams

How many cams (of the same type) can be used on Raspberry Pi? I need to capture four streams simultaneously using Zoneminder. Windows 7 and iSpy can not handle four cams from same mfg and device driver. Two of the same type per USB bus is all that…
camuser
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