Questions relating to the Raspberry Pi USB ports and specific Raspberry Pi USB devices and device interaction.

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1
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3answers
30 views

Can I power my rpi with netgear WNDR3700v5 router?

I currently own a netgear WNDR3700v5 router which has 1x usb port and I was wondering if I would be able to power my rpi (Pi 2 Model B) + 2.5" external HDD with it. The PSU for the router is 12v 1.5A. ...
1
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0answers
9 views

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 ...
2
votes
0answers
30 views

Arecord not working with USB Microphone anymore

Before I start, I'd like to tell you that I've used arecord in the past with the Raspberry Pi 2 using the same USB Microphone and it has worked just fine. For some reason, it doesn't seem to work ...
0
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1answer
10 views

4g dongle internet connection problem?

I am having problem with establishing internet connection on my RPi(Raspbian) with Huawei USB dongle. I went through many tutorials that I found on internet but I still can't connect on internet via ...
1
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0answers
13 views

driver for Ethernet Adapter: cdc_ether: no symbol version for module_layout

I want to use TP-LINK USB 3.0 to Gigabit Ethernet Adapter on my pi, but I have an error about the driver: cdc_ether: no symbol version for module_layout. dmesg: [ 210.182816] usb 1-1.4: new high-...
1
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1answer
50 views

Want only ethernet working, remove all usb and hdmi port

We developed a system, we are delivering it with raspberry PI to client. Our system is like admin panel, so Raspberry pi will work as Local server. For Our code security, we want to remove all USB ...
1
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1answer
42 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 ...
2
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0answers
94 views

What to look for in a large HDMI+USB touchscreen for raspberry pi?

I have been searching quite a bit for a larger (14"+) monitor that has basic out of the box touchscreen capability with the raspberry pi. One that uses USB for the touch connection and preferably HDMI ...
3
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1answer
72 views

Wifi Dongle TL-WN823Nv2 not is recognised

I have a Tp Link TL-WN823N version 2 wifi dongle and raspberry pi (B+) doesn't seem to recognize it not sure if that "v2" makes a difference or not The OS is raspbian jessie The kernel version is ...
1
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2answers
71 views

Power up from USB Cable or GPIO?

I have made a battery pack to power up my Raspberry Pi 3 for a project. The pack uses 2 Samsung ICR 18650 Li-Ion batteries (connected in series) and a 5V 3A UBEC and gives 5.05V output. Now I'm a ...
0
votes
1answer
35 views

FS80H USB Fingerprint Scanner in Pi 3

I have a USB fingerprint scanner of brand Futronic (model FS80H). I am trying to get it working with Raspberry PI. On their website mention that on linux it doesn't use any kernel mode driver, but ...
0
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1answer
38 views

Raspberry Pi Zero: act as USB mass storage using power port, use data USB port for Wi-Fi

I have a Raspberry Pi Zero (1.3) running Debian Jessie (full); the image name is 2016-05-27-raspbian-jessie.img. I've ran apt-get update && apt-get upgrade and updated the packages on it. I ...
4
votes
3answers
141 views

Unable to mount external harddrive (Openmediavault)

I try to connect a harddrive via a SATA to USB3 adapter to my raspberry (The adapter is externally powered, so there cannot be a power problem). The adapter gets detected and shows up under /dev/sda ...
0
votes
1answer
49 views

What is the best connection for Raspberry pi3 model to PC/laptop?

I heard we can connect Raspberry pi to laptop or PC Or Tv through LAN(Coaxial cable) and UART(serial to USB converter). Which one is gives better performance,speed(data rate). Instead of these two,is ...
0
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3answers
51 views

Power USB device over Raspberry Pi GPIO Pin

for an embedded system I need to be able to switch certain USB devices on a RPi on and off without physically disconnecting them. The whole setup will be in an enclosed casing. My idea now was to ...
1
vote
1answer
26 views

wvdial NO CARRIER

I've been trying to connect Huawei E3131 to my Raspberry pi. So far I've installed ppp, usb_modeswitch and wvdial. Here is my wvdial.conf partially generated by wvdialconf and partially changed by ...
0
votes
1answer
29 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 ...
0
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0answers
17 views

Slow nfs tranfere to usb drive

I have bought a new Raspberry Pi 3 and have installed Raspbian which is working fine. Attached and mounted is a new USB drive, with some data. fstab line: /dev/sda1 /media/usb ext3 defaults 0 2 ...
0
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0answers
45 views

How can I connect a serial device to the Pi without a USB to serial adapter?

I am trying to connect a serial device (specifically, an aerosol particle counter) to the Pi. Currently, I have a USB to serial adapter connecting the Pi and the device. When I run this program to ...
1
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0answers
34 views

How to run a script (when usb memory is plugged) automatically in Jessie?

Previously, I used udev rule to run a script when a USB flash memory was plugged in. The following was the content of /etc/udev/rules.d/10-usbstick.rules file: ACTION=="add", SUBSYSTEM=="block", ...
1
vote
1answer
23 views

Mounted folder changes name after reboot

I have Raspbian OS installed. My Raspberry Pi is used to save my ipcam snapshots. They are sent through ftp (proftpd) to a usb stick attached on my Rpi. Mount point = /dev/sda1 df -h Everything works ...
0
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2answers
46 views

Can I use more than one USB Gadgets with the raspberrypi zero? [duplicate]

it's my first question over here. I'm wondering if I could use more than one USB Gadget like in that Tutorial just that I use g_ether and the mass storage. Thanks in advance!
0
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0answers
40 views

Set up webcam microphone for raspberry pi

I am using a webcam with built in microphone for my raspbery pi and i am trying to make my raspberry to work with vocie recognition. When i run lsusb I get this: Bus 001 Device 005: ID 0c45:62c0 ...
0
votes
1answer
58 views

Best partition size for Raspbian Lite (Jessie)

I've got a 3Tb External Hard Drive that I would like to use to run my Raspberry Pi2. I'd like to have a few separate partitions for various services: Transmission Owncloud Ftp (to save images from ...
0
votes
0answers
40 views

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 ...
1
vote
1answer
40 views

Can the rpi get audio input through usb?

I currently have a rpi that gets audio through wifi streaming to deliver through a DAC hat to an audio amp+speakers. But the number of operations I have to do to stream audio through wifi (from a ...
0
votes
0answers
89 views

Raspberry Pi 3: Raspian USB Sound as default

I have a Raspberry Pi 3. I have installed the latest version of Raspian (NOOBS). All I want to do is set the USB audio to the default output. I can test that the speaker is working by using ...
2
votes
0answers
20 views

USB devices gets new ttyU* while still attached raspberry pi 2

Conditions: I use RP2 for data collection purposes and i am testing its limits. I use it next to diesel engine and its alternator.(I know pi is not for industrial use and this is a prototype.) There ...
1
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0answers
13 views

sakis3g on raspberry pi2 not accepting any other interface other than ttyUSB0 or ttyUSB1.. how to make connection on other ttyUSB*

i am newbie to linux and raspberry pi. On my raspberry pi 2 , i use sakis3g to make the connection successful,it works fine when it is connected to ttyUSB1 or ttyUSB0 but wen i reboot the system with ...
1
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0answers
18 views

Slow TCP throughput with zd1211rw USB WiFi

I'm doing some throughput testing between an RPi "rpi-src" on WiFi and a wired ethernet PC "dest" attached to the WiFi AP. "dest" listens on a TCP port with nc (netcat), streams received data through ...
0
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0answers
26 views

Bluetooth A2DP conversion to / emulation of MTP

My goal would be to control music playback via car radio so that phone could stay in my pocket. Car supports only USB Mass storage and MTP protocols (actually Apple is supported as well but that is ...
0
votes
1answer
27 views

TV as Plex Client

As far as I know, the RPi cannot decode h.265 videos. I've tried to watch h.265 videos on my TV by connecting an external hdd and it was working without problems. So is it possible to use the TV as a ...
1
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0answers
14 views

Usb permissions

I can only get output from a connected usb robot arm when I run my Python script in sudo. I assume I need to give normal user permission for the usb device. How would I do this?
3
votes
1answer
78 views

How is the USB power regulated on +/2/3 models?

This question and my very tentative (dubious even to me) speculation that the cause might be the main polyfuse on the 5V regulated supply common to all (?) Raspberry Pi's left me wondering about how ...
0
votes
1answer
33 views

Run a command when wifi adapter is disconnected?

Is there any way to detect when a USB Wi-Fi adapter is physically disconnected from the Pi, and run a command when that happens? I'm using the Raspberry Pi 1, model B+, and the adapter is connected to ...
0
votes
0answers
34 views

Boot hangs if usb drive is plugged

I'm trying to set up a usb drive (fat32) as an automatic backup. I'm using raspbian (installed with NOOBS) booting to command line (no GUI). If I plug it when the pi is already booted I can mount and ...
1
vote
1answer
88 views

“RNDIS/Ethernet Gadget” Share Internet

(Moving this from apple.stackexchange.com) I've connected my Pi Zero over USB to my OS X laptop and under Preferences -> Network it shows up as RNDIS/Ethernet Gadget, with a self assigned IP. It ...
1
vote
2answers
19 views

Is it possible to write data directly from a mobile to a PC through the mobile's SD card slot?

I have to questions: -Is it possible to write data directly from GoPro to a Raspberry Pi through the GoPro's SD card slot? -How does Micro SD card function? I would like to use my GoPro (hero 1) as a ...
1
vote
0answers
60 views

Is my Pi dead after plugging in four USB hard drives, if the power and ACT LEDs still light up?

My Raspberry Pi 2 B (rev a01041) has been working great for ages. I usually have two hard drives plugged into it. Yesterday, I plugged in another one. Today I plugged in a fourth. Immediately, the Pi ...
0
votes
0answers
32 views

Reading data from Accupost USB Scale

I received an Accupost PP-10USB - 10 lbs USB postal scale for a project that I am working on. I would like to read data from it using this code erjiang/usbscale. After plugging it in and running lsusb,...
3
votes
1answer
98 views

Busted USB port on a Raspberry Pi 3?

One of the 4 USB port on my new pi-3 isn't behaving Is the port busted, or is there something about the Raspberry 3 USB system that I don't understand. (Or both)? If I plug a camera in any of the 3 "...
0
votes
1answer
36 views

Raspberry Pi Zero as Hardware Bypass

My girlfriend has been working on a project for a high level university CS class. The requirements are that input is take from a gaming controller, steering wheel, et al, and sent simultaneously to a ...
1
vote
0answers
34 views

Reading / writing to USB storage on a Pi

I set up my Raspberry Pi about 6 months ago, (October) and everything seemed to be working fine where I could using Tight VNC to remotely access it and download torrents e.t.c. However, eventually ...
0
votes
0answers
35 views

Usb and ethernet port don't work

I have raspberry pi 2 model b. And now the raspberry pi port doesn't work. Not the usb port and not the ethernet port. I tried to replace to power supply to my phone charger. I have tried to combine ...
0
votes
1answer
26 views

Setting separate usb cards for output and input on Raspbian Jesse

I'm a newbie. I have a separate usb for sound output and sound input(mic). How do I configure Raspbian Jessie to default to them?
0
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2answers
142 views

Raspberry Pi USB 3 HAT or alternatives

I am looking for a cheap way to utilize USB 3.0 speeds for my external peripherals. The latest Pi 3 model B still has USB 2.0 ports and from what I have read, until USB 3.0 prices fall, it will be a ...
0
votes
1answer
202 views

Help to build Mini PCI-E add-on card for Raspberry Pi 2

Is it possible to build an add-on card that has mini PCI-E slot, SIM slot and LED and that can be attached to Raspberry Pi 2 GPIO header? It would save me one USB port and it would be more neater ...
3
votes
0answers
101 views

USB Microphone Raspberry Pi

I am using Raspberry Pi 3. What I am trying to do is test my USB microphone. I first type in lsusb to see if the raspberry pi detects my device. It does, and the result is this: BUS 001 Device oo8:...
0
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0answers
96 views

Unable to make USB sound card as audio card 0

I am using Ubuntu Mate in Raspberry Pi 2. I want to change use my USB sound card as default audio card. For this I check my audio card number from command aplay -l and this is my output:- **** List ...