Questions tagged [hub]

Hub referring to a node with multiple links, thus expanding a single port into several to allow for the connection of more devices to a host system. Relevant for different network or bus systems, e.g. ethernet, USB, SATA

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CM4 USB connection issues

We have rolled our own board for the CM4 and the problem occours when connecting an UMTS stick (Huawei E3531 HiLink) to USB. The CM4 starts to disconnect and reconnect the stick continuously. This ...
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Extending clusters by using USB hubs

Just heard of this "cluster HAT" which is basically a USB hub. Assembly is quiet simple. For me is 4 zeros not enough. So can I use normal larger hub to make a bigger cluster? Most important ...
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Can I force my Pi (4B) to boot attached mechanical drives **after** one another, instead of simultaneously?

I'm still trying to workaround to attach multiple 3.5 HDDs on my Raspberry Pi 4B without a centralised hub. Everytime my Raspi Boots, or boots up the drives, it does so with booting all of them at ...
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pi 4 won't boot with powered USB hub

I have a raspberry pi 4 with USBGear 4 port usb 3.0 hub. The USB hub is a powered type. If I boot the Pi system with the usb cable attached to the hub and without power on the hub, it all boots up ...
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1 answer
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Power saving for raspberry pi2 model B

I have a raspberry pi 2 Model B and I want to disable the power to ethernet and USB hub port, I try using hub ctrl. c command, and it doesn't work. Is this happening because of the limitation of ...
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Is it possible to use my raspberry pi as a network hub?

I want to create a network hub with the help of raspberry pi for connecting 2 standalone devices with the hub and then provide internet to the hub so that both the devices can access the internet ...
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USB3 HDD not detected in RPi with Powered USB Hub

So we got a Powered USB Hub thinking we could use the Pi for a media share, but the HDD refuses to be detected. I saw this question asked countless times on Google and Stack Exchange, but they are all ...
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399 views

Programming RPi Hub module with EEPROM to use pins as GPIO output?

I have been working on a project recently that is going to require more GPIO pins than the Raspberry Pi can provide. In order to add more I purchased a RPI-Hub module, though the data sheet says it ...
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Not enough power for Hard Drives - USB HUB?

I have a couple of hard drives which do not have their own power supplies. Would it be possible to buy a USB Hub with it's own power supply and plug this into the Raspberry Pi 3? I use Kodi, will Kodi ...
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993 views

Lightning bolt w/ 3.0A USB hub

I'm using a USB 7 port hub that's rated 5V at 3.0A and get a lightning bolt symbol in Raspbian. There's nothing else plugged into it. Shouldn't this work? Thanks
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Power raspberry and hub ways

I'm trying to find out a method to power both the raspberry and the usb hub without using to power supplies and without backfeeding it. My first thought was to use an hub with a charging port and use ...
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Powering Raspberry Pi B+ from multiple ports

I am making a Cloud storage with own cloud right now. But when I was connecting everything to each other I found out that the Raspberry Pi is being powered from more ports than 1. I'll explain my ...
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External powered HDD not listed after boot

I have an hub for HDDs where I have two of them (WD purple 2TB). If the Raspberry is ON and I switch on also the hub, the two HDDs are recognized by the Pi as sda and sdb (listed with sudo fdisk -l). ...
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Problems with adding 4port usb hub to Raspberry Pi Zero

I'm attempting to replicate this Raspberry Pi Zero USB-Hub . . . There is a slight difference with the hub I'm working with though. It is the type that is not powered externally. My problem is that I ...
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518 views

USB hub/c-media combo - audio device not recognised - hub won't allow allow other usb audio either

I have an mBeat Hayman USB hub with integrated C-Media audio. Under Raspbian, the hub is recognised as a 4 port hub, but the C-Media audio device (which is uses one of the ports) isn't recognised. ...
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Can the Raspberry Pi Zero be powered by a real usb port?

I have a powered USB hub. Can I use it to power the Raspberry Pi Zero using up just one Micro USB port? Or does the power have to come from one particular port that is only used to provide power? Edit ...
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USB HUB module for Rasberry Pi A+

Does anyone have experience with USB hub module. I tried to use GL850G but I could not connect to the modem via the USB port GL850G
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USB hub not working after boot

I have strange problem with USB hub manufactured by LC Technology with chip GL850G. When I power on the raspberry, hub doesn't seem to work (LED is off), but when I disconnect hub from port and hot-...
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Raspi not 'accepting' JUH340 USB Hub. (Raspbian OS)

Easily, not too many people have asked a question about this model of usb hub. What I'm attempting to use is a J5 CREATE JUH340 USB 3.0 with the RPi, but it is highly unworkable. With most everything ...
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Active USB-Hub, letting the + and - open?

I have done some modifications to my Raspberry Pi (Model B). The basic idea is to have an active usb-hub connected to the Raspi, so i can control the power of the hub with a switch(it should all run ...
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1 answer
691 views

usb soundcard losing power

I bought this USB soundcard. I have this powered USB hub and I plugged the soundcard to the hub(the 2 usb ports in the pi are used by wifi dongle and usb hub). I changed the configs , and rebooted and ...
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RAID array not recognized unless plugged directly into Pi

I just configured a Squeezeplug RP using a Vantec HX4R, 4-disk RAID array with an ext3 file system, connected through a Pluggable 7-port powered USB hub. The HX4R has its own power supply. It ...
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Acrox 2.0 hub, any good for RPi?

After reading round the net on powered hubs I am looking to find out if my Acrox four port hub would be suitable for a Raspbery Pi, currently being bought for my son. It's been knocking round for ages ...
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12 votes
2 answers
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What to know about powered USB hub?

I'm a bit lost in electricity stuff, but I want an USB hub to power supply my Raspberry Pi and my hard drive. I know that there are lists of USB hubs for Raspberry Pi that works perfectly, but I want ...
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Read positioning data from 4 laser mice

On Arch Linux, would it be possible to somehow read the raw positioning data from 4 of these mice at at least 2400dpi simultaneously at high speed (150mm/s) using an RPi? I am guessing that this ...
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Maximum number of USB devices supported

Assuming I can solve for power (externally powered hubs) is there any maximum number of supported USB devices that the pi can handle? Large(ish) hubs 7-8 ports are relatively cheap and I am wondering ...
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Can't connect to 3G using Sakis3G software

I am trying to connect to a mobile network using the ZTE MF190 USB dongle on my Raspberry Pi. I already successfully established the UMTS connection directly on the Pi's USB host, but later I added a ...
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3 votes
2 answers
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How would I get more USB ports on an RPI

How would I get more usb ports on a Raspberry Pi? 2 just isn't enough. The obvious answer is a hub, however I have tried many and none work. My friend said that most hubs drive power back to the pi, ...
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1 answer
804 views

Creating a pocket mediaserver using Raspberry Pi that can let you stream files

I'm attempting to turn my Raspberry Pi into a media passport. that can let me stream files from the Raspbery Pi onto other devices. The things I need for this project are: Media software on the ...
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2 votes
2 answers
3k views

How to add usb webcam and WiFi to RPi model A without ruinning power consumption?

So I managed to diminish my RPi model A power consumption to the impressive mark of 70mA (underclock + replacing the 3v3 regulator). Low current is important because it is a mobile app (robot/car ...
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2 answers
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Harddrive detected as 13fd:160e Initio Corporation instead of 1058:1010 Western Digital

I have the following configuration: A Raspberry Pi model B connected to a powered USB hub, with the +5V detached from it (otherwise the hub powers the Pi due to backfeed). They work fine together and ...
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1 answer
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No devices detected + Reset

My Raspberry worked fine until last month, now it doesn't detect ANY device. I tested it with a wireless keyboard and it doesn't work. I tested it with a basic keyboard and a basic mouse and the doesn'...
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3 answers
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Power USB Hub from "Mains to USB" adapter

I'm thinking of building myself a small media center using a RasPi, but 2 USB ports doesn't seem enough to me. So I will need a USB Hub. I still don't know exactly what devices will be plugged on it (...
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2 votes
1 answer
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Cheap USB powered hub to work with the pi without backfeeding

I am trying to build a 3D printer farm with the pi, and I need a large USB hub. I found this hub. But don't know how to evaluate if its any good. Has anyone tried something like this? Do you have a 7+...
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