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).

Filter by
Sorted by
Tagged with
0
votes
0answers
55 views

Not enough bandwidth for new device state. RPi 4

I am running Ubuntu 18.04 on my Raspberry Pi 4 and I am trying to connect a USB device which holds multiple devices. But as soon as I plug the USB in I will see: can't set config #1, error -28 in my ...
1
vote
0answers
48 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,...
1
vote
1answer
129 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. ...
1
vote
0answers
31 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 ...
1
vote
0answers
103 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 ...
3
votes
1answer
64 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 ...
1
vote
1answer
45 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 ...
0
votes
0answers
189 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 ...
0
votes
1answer
55 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. >>> ...
0
votes
0answers
27 views

RPi 3B power supply and external USB Hub issue

I am building a project with a custom USB hub attached to one of the RPi USB ports. On the custom hub I attach 7 USB devices powered by their own batteries. The custom USB Hub is equipped with an ...
1
vote
1answer
108 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 ...
5
votes
4answers
2k views

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-...
3
votes
1answer
96 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 ...
3
votes
7answers
674 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 ...
0
votes
0answers
21 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 ...
0
votes
1answer
194 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 ...
1
vote
2answers
102 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 ...
3
votes
0answers
195 views

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 ...
-2
votes
1answer
70 views

Iot hub and rasberry pi [closed]

im makeing project but new in codeing , i want to connect cctv camera and ultra sonic sensor so if someone disobey the rule the camera will capture a photo and send it to online database and from the ...
1
vote
2answers
991 views

Pi with multiple HDDs from a powered hub

I am planning to use four 2.5hdd's with a pi3 B. I plan to use four 'sata to usb y' cables, with each usb power leg of the y cables plugged into a powered usb hub and each data leg into each of the pi'...
0
votes
0answers
52 views

USB hub is switched into USB1 mode with USB2 peripherals

I was wondering why my USB sd-cardreader operates that slow, see this benchmark: root@DietPi:~# hdparm -tT /dev/sda1 /dev/sda1: Timing cached reads: 4 MB in 2.00 seconds = 2.00 MB/sec ...
0
votes
0answers
132 views

Is it possible to have both hidraw0 and hidg0?

I would like to know if we can have both hidraw0 and hidg0 at the same time? Detailed description :- I have a barcode scanner, raspberry pi zero W, zero4u hub. Barcode scanner is connected to ...
2
votes
1answer
212 views

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 ...
0
votes
2answers
206 views

Choosing a USB hub

I've read that using self-powered USB hubs with Raspberry Pi tends to be problematic. My first discovery today is that I will prevent some problem buying a USB-2 hub. My second concern is to power on ...
1
vote
1answer
159 views

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 ...
0
votes
2answers
441 views

Rasberry pi Zero W USB Hub Driver?

Is it mandatory to use powered USB hub with pi-zero-w...? I've two good quality USB Hub, that works just fine with my windows PC. But, when I connect to the Pi, it supports only "one Device". While, ...
0
votes
1answer
426 views

Soldering devices to the USB ports

In this project the maker of the project desolders and removes two of the USB ports on the Pi and solders on a USB Hub to the pads at the bottom. I'd like to solder devices to the USB pads in the ...
1
vote
2answers
477 views

Is there a multiple USB to Ethernet hub?

I want to create a network of raspi 0's connected to Ethernet. Can I connect them all to one Ethernet wire via a USB hub? Thanks
-1
votes
2answers
192 views

Power rpi with 2 ports from usb hub

Ok so I have not been able to find this specific question on the interwebs. I am looking for a USB hub that will power the pi and a few other things. I'm not concerned about the over all power rating ...
1
vote
2answers
735 views

Raspberry Pi USB hub can't connect keyboard and mouse at same time

I bought a cheap USB hub for a Raspberry Pi Zero: USB hub from AliExpress The problem is that I can't plug in the keyboard and mouse at the same time. Just one device is working and at one specific ...
0
votes
1answer
78 views

Can I get both power and data from an external drive with an integrated USB hub?

I want to connect a power-hungry external drive to my Raspberry Pi 3. Normally this would mean separate external power supplies for the Pi and the external drive, or else plugging both the drive and ...
2
votes
2answers
558 views

Is it possible to prevent the Pi from receiving power from a powered USB hub?

I have a Raspberry Pi 3 with an On/Off Shim from Pimoroni. If you're not familiar: it's basically a little device that gets soldered onto the first 12 GPIO pins and allows you to use a built-in (or ...
1
vote
1answer
74 views

Sound system with PiZeroW

wondering if someone could give me a few pointers on a project I'm working out. I haven't yet bought any of the equipment, just trying the ideas first to see if it will work. I'm planning on ...
-1
votes
1answer
107 views

Input on raspberry pi 0 on stretch

I recently switched to stretch, the latest version of raspbian os on my raspberry pi 0 (not the w model) I cannot get any peripherals to work; mouse, keyboard, or wireless adapter. I tried my pihat ...
0
votes
2answers
233 views

How much power can I draw from the USB ports on a Raspberry Pi 3?

I am attaching my Pi 3 to two delicate sensors via USB. My question is, if i was to take the power cords from the sensors and attach them to a male USB cord. The problem is, anything more than 5.5V ...
1
vote
1answer
5k views

USB Audio and Mic Configuration Pi Zero

I am working on using my Pi Zero to create a Google assistant. I have a usb sound card and usb mic that I would like to use, but I am not sure exactly how I need to modify asound.conf or if there is ...
0
votes
1answer
443 views

Usb hub devices not recognized after reboot

I've currently got a headless Raspberry Pi set up to play music. In my previous home I had an ethernet connection, and everything was fine and dandy. Then I moved, and now I have to work over WiFi. ...
0
votes
1answer
2k views

Can I power a RPI3 from a USB-C 3A power supply and a USB-C to Micro adapter?

I'm a little confused by the power standards. as far as I can tell, USB PD (power delivery) specifies a maximum of 2.1A. The RPI3 requires recommends 2.5A, 0.4 more than the spec. Canakit's power ...
1
vote
1answer
190 views

Powering Pi and HDD from the same USB power hub

I am trying to make my Pi 3 work with one of the external HDDs I have at home. A few of them have both USB input and power supply input, others have only USB input, but bigger capacity, which I ...
2
votes
3answers
9k views

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?
0
votes
1answer
580 views

How do I install Yepkit USB Switchable Hub?

I'm working on a project that utilizes the Yepkit USB Switchable Hub, but keep encountering a problem when attempting to build the Yepkit program on my Raspberry pi running Raspbian Jessie Lite. The ...
1
vote
2answers
827 views

Multiple Raspberry Pi Zero to ethernet

I'm thinking about buying a USB hub with a lot of USB ports and an Ethernet port, such as this one, then connecting a lot of Raspberry Pi Zeros to it. The goal is to connect all of them to network, ...
1
vote
0answers
300 views

How to give PS3 controllers charging handshake on connected powered hub?

I have a Raspberry Pi 3 with a powered USB Hub ( 7 port Anker ) running retro game OS Lakka. The PS3 controllers work great with the system, but I want to be able to charge them as well. Currently ...
1
vote
0answers
542 views

Raspberry Pi B+ power-supply and USB problems

I have two Raspberry Pi B+. One of the two is rather unstable (details below) and I would like to understand if it is just a defect or if I might have broken it so that I can avoid making the same ...
0
votes
3answers
3k views

trying to get SSH over USB to work (Raspberry pi Zero)

I followed several steps to get an SSH over USB working. I followed the steps posted here. My Raspberry Pi Zero is connected with a standard micro USB cable to my desktop computer (Ubuntu 16.04). ...
1
vote
1answer
13k views

Raspberry pi zero refuses to detect USB hub - tried multiple hubs

first experience with Raspberry pi zero, and I decided to go with the simple retropie project. I installed retropie on it without any problems, during installation my controller was connected via the ...
0
votes
2answers
336 views

How to make a Raspberry Pi Hub yourself?

I have bought a Raspberry Pi zero and I need a Raspberry Pi hub. The hub is not available in Pakistan. How can i create my own Raspberry Pi hub? What have I tried? I connected,below wire to a USB ...
2
votes
1answer
659 views

usb 4 port rs232 hub, name of devices

What if I use this UBS to 4 RS232 Cable ? Will be the device names e.g /dev/ttyUSB0 - /dev/ttyUSB3 always the same for each RS232 connector ? For example: If I plug in the USB connector, the ...
0
votes
2answers
61 views

Attaching second raspberry pi to a USB hub already connected to a Pi

What would happen if I attach a raspberry pi (A) to a USB hub for power which is already connected to a second raspberry pi (B) powered by an adapter (but connects to devices such as HDD, keyboard etc ...
0
votes
1answer
171 views

Aten US424 USB switch and Raspberry Pi 3

I bought a USB switch, an Aten US424. It works perfectly on every computer but not on my Raspberry Pi 3 with Retropie. How can I solve or at least troubleshoot the issue?