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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FTDI USB Serial Device converter now disconnected from ttyUSB2

---Setup--- 1) We are evaluating using Raspberry Pi Compute Module CM3. 2) USB-HUB and USB-UART are boarded on the IO board. 3) USB-HUB is working in Self-power mode. 4) VBUS-detect of USB-HUB uses ...
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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 ...
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136 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 ...
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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 ...
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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 ...
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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 ...
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2answers
80 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'...
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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 ...
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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 ...
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62 views

Could the Rasberry Pi be programmed to be a smart USB Hub?

I would like to get my Rasberry 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 Rasberry Pi appear to be a USB ...
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98 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 ...
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81 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 ...
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270 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, ...
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226 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 ...
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329 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
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160 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 ...
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489 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 ...
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67 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 ...
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361 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 ...
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58 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 ...
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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 ...
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185 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 ...
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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 ...
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339 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. ...
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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 ...
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182 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 ...
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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?
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452 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 ...
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2answers
702 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, ...
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277 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 ...
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505 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 ...
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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). ...
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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 ...
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286 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 ...
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570 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 ...
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54 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 ...
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1answer
143 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?
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601 views

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 ...
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1answer
527 views

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 ...
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1answer
1k views

Rpi zero USB hub (not powered) for 3G dongle and USB to ethernet adaptor

Thinking to run a Rpi Zero USB hub without power for a Huawei internet stick and a USB to ethernet adaptor for SSH connection to laptop. Will the RPi zero be able to support these two devices at the ...
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439 views

USB hub powering the Pi and a HDD

I have a Raspberry Pi 3B, a powered USB hub, and an external USB drive. The HDD is connected to the Hub, and the Hub to a power outlet. But going from the Pi, do I really need 2 cables (one for power, ...
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214 views

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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2k views

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:...
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4k views

unable to enumerate USB device

I have remote Pi, with several 4 USB devices. One device is attached directly in the board while other three devices are connected via USB hub (active hub, powered with supply capable of providing ...
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1answer
1k views

Raspberry Pi doesn't recognize HDD in powered USB Hub

I just bought an powered USB hub (http://www.tp-link.com/en/products/details/cat-4761_UH700.html) so that I can connect an external NTFS HDD ( http://tw.adata.com/es/hdd/feature/168) to my raspberry ...
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Ubuntu MATE 16.04 not recognising USB hub on Pi3 [closed]

I have just received my raspberry pi 3, and installed Ubuntu MATE. It isn't recognising my D-Link USB hub, but if I plug anything directly to the Pi it works, but when going through the hub it doesn't ...
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44 views

Method to find raspi's usb current output

I am working on a project and I need to connect 4 mobile phones to raspberry pi (Pi-2). I need to charge phones as well. I know that raspi itself cannot charge 4 phones so I bought some usb hub with ...
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What is the alternative IC to LAN9512 or LAN9514? this chip too HOT

I am building a companion board with the Compute Module, USB & ethernet capability and running it 24/7 is part of the requirement. The standard practice would follow and use the same USB to ...
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2answers
807 views

Cheap USB hub with Pi Zero?

I have bought a cheap USB hub and I thought that by replacing the standard USB with a micro USB will make it work with the zero. I've seen a same solution here, but it is not working. I know that ...
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2answers
166 views

Multiple questions about power and USB hubs

I am planning to use my RPi as a basic desktop. I have a few questions I am using the first model of the RPi I am planning to connect a keyboard, a mouse, a bluetooth adapter, a WiFi adapter, and ...