Tagged Questions

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

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1
vote
0answers
15 views

Streaming Audio and Video from a remote Raspberry Pi to my computer

Good afternoon, I've been working a couple of days on this issue. I need to set a stream up that streams audio and video (doesn't matter if I need to open seperate connections for it, as long as it ...
0
votes
1answer
21 views

How can I detect if specific USB port is being used, and then command an action?

I'm very new to Raspberry Pi/Linux/Python world and I'm trying to identify one of the ports on my RPi, so if someone for example, connects a USB Flash drive (or anything) to that specific port an ...
0
votes
0answers
15 views

How can I schedule a task to power down USB HDD and USB Wifi?

I have a RaspberryPi B+ which I connected to an USB HDD and a USB Wifi adapter. Both works great. Also, I have running a webserver and a seafile server. Now, I want to set up a task (scheduled at ...
0
votes
1answer
73 views

static sound when recording with USB sound card mic/input on a B+

I have a Raspberry Pi B+ model and I am using a USB sound card to record audio. The problem is that I am only getting static and loud humming when recording, with nothing else actually recorded. I am ...
0
votes
0answers
39 views

raspberry pi web server using USB HDD

I have to create an Apache tomcat web-server on a Raspberry Pi. However, I want to install Apache tomcat, java, mysql on an external hard disk and run them from there. How can do this? Also, which ...
0
votes
1answer
46 views

Connecting a 12V USB device to Pi [on hold]

I'm planning to use a long range USB RFID reader (12V) like this with Pi. As Pi USB can supply only 5V, how can I connect it to Pi USB, if it is not external powered..??
0
votes
1answer
67 views

Barcode Scanners compatible with Raspberry Pi

I would like to buy a barcode scanner to use with Pi, so which one will be compatible with Pi..?? Something around $50 would be great, like the Barcode Scanners we use at POS (Point of Sale), ...
0
votes
0answers
15 views

How can I use an encrypted folder as a Seafile repository?

I have an external HDD connected with USB. I want to encrypt the HDD with encfs (see: http://www.howtoforge.com/encrypt-your-data-with-encfs-debian-squeeze-ubuntu-11.10) Furthermore I want to use my ...
0
votes
1answer
52 views

Raspberry Pi B+ usb port disable

Is it possible to enable/disable arbitrary usb port in ArchLinux via console on Raspberry Pi B+ and at the same time others still work?
0
votes
1answer
23 views

Can I connect Garmin Oregon 600 to my Pi B+

Seems simple enough to try but I can't find my GPS unit at the moment. I'm also not finding anything online that suggests this is possible. I want to connect my Oregon 600 to my Pi B+ and process the ...
-1
votes
0answers
27 views

Hardware power ON/OFF for USB

i just needed some further explanation of this question, exact same pictures with physical orientation of pins, what is needed to make a GPIO software controlled switch for usb power?
0
votes
0answers
99 views

Raspberry Pi Model B as FM radio receiver

I've got an idea- FM radio tuner on Pi, and it could be done with usb fm-receiver and any radio app, but Pi has a bad bug- with anything connected to usb, from usb-flash to usb powered hub, sometimes ...
0
votes
3answers
41 views

Can I measure provided current/power by measuring voltage over resistor?

Background I'm trying to get my scanner (CanoScan LIDE 100, USB 2.0, back says power input 5V/500mA) working with a Raspberry Pi. Whenever I issue a scan command it usually gives me a device I/O ...
1
vote
2answers
66 views

USB Modem rebooting problem

I have a python program that sends text message using a USB modem, it works fine.. But sometimes when I reboot my device the program cant find the device, so I need unplug than plug back again to ...
0
votes
0answers
52 views

Raspberry Pi B+ direct interface with usb camera

I would like to know if it is possible to connect usb cameras directly with RPi B+...?? While working with RPi Model B, I had to use a powered USB hub to interface with my i-ball camera, but with 4 ...
2
votes
1answer
44 views

Can't find the menu for adding an usb game controller

A couple weeks back I was setting up my pi and going through a ton of info about setting it up and I remember coming across a menu to set up USB game controllers (the USB human interface device). ...
0
votes
0answers
22 views

Alternative to HDMI4PI?

I'm looking for an LCD kit with touchscreen support that connects over VGA for the LCD and USB for the touchscreen, with a screen that is 4.3"-5" Essentially, a less expensive alternative to this ...
0
votes
0answers
49 views

Can't get Wi-Fi dongle to work

I bought a generic Wi-Fi dongle that, according to the comments of the people who bought it, worked out of the box on Raspbian. Well, turns out it didn't. I'm struggling to make it work. I'm using ...
0
votes
0answers
24 views

Kernel module usbnet for Raspbian?

I'm looking for a faster way to exchange data between two Raspberry Pi (raspi). The ideal scenario would be, having one raspi A connected to an external hard-drive, and mount this hard-drive via ...
1
vote
1answer
74 views

How can a USB Bluetooth Dongle be used as login TTY

I would like to be able to use a Bluetooth Dongle - not the HC06 module, but a simple USB dongle (the pretty generic kind, or even poundshop type) as a serial login console/tty. I have already tried ...
0
votes
0answers
32 views

How to blink LED when a USB drive is attached?

I've managed to turn on a LED on the GPIO pin when i connect a USB drive. I've managed to turn it off as well when the USB drive is disconnected. Now i'm trying to get it to blink but having ...
0
votes
0answers
42 views

Pi not recognizing USB ports with an adequate PSU

So I got the Raspberry Pi B+ about 3 weeks ago and it hasn't been functioning 100% correctly... I have a PiHub to power my ehdd (1tb WD Elements), Wifi Adapter Realtek 8188CU, and (usually) the ...
0
votes
0answers
25 views

Sending Data from microcontroller to USB port of rpi

I am trying to send data from my PIC microcontroller to USB port of RPi. Could you please suggest me a way that I can read it and save the data in my memory card of Raspberry Pi.
2
votes
1answer
121 views

slow network performance samba

I'm suffering from poor network performance on my PI. I use samba to copy files from W7 to an external 3,5inch usb3 drive, NTFS formatted and mounted on the pi using NTFS (not the 3g). I have seen ...
0
votes
0answers
38 views

Can't connect Rspi Bluetooth Usb Dongle

I've an BT usb dongle, i want to connect to my phone, but i don't work: I can discover my phone with "hcitool scan". here's my bt usb dongle: i@rspi1 ~ $ hciconfig -a hci0: Type: BR/EDR Bus: USB ...
0
votes
1answer
48 views

So is there any C++ alternative for PiUi?

So actually i have a little project that require the Pi to communicate to a Smartphone (in this case android device) to transact data (sending and receiving command,etc) via any available connection ...
1
vote
2answers
27 views

Unresponsive USB on a Raspi Model A

I've been running a headless Pi Model A (1 USB and no ethernet port) for a little while and it's just stopped working. The wifi dongle shows no life, and the pluggin keyboard has no effect. So I ...
2
votes
1answer
75 views

Write to USB stick on specific USB port

I want to write data to a USB stick plugged into a specific USB port on the PI. I know I can write to a specific USB device by using its UUID, and I know I can find the address for the USB port ...
2
votes
2answers
343 views

USB bandwidth for the RPi model B+

I've haven't been able to find any conclusive data about USB bandwidth for the RPi model B+ As I understand, the bandwidth is shared between all 4 USB-ports (and the Ethernet) because they are using ...
0
votes
1answer
262 views

Extra power to usb port on raspberry pi

I have a model B raspberry pi and an external hard drive that requires more power than the usb port on the raspberry pi can provide. Is there any way to increase the power to the usb port so that I ...
0
votes
0answers
39 views

Wvdial and usb_modeswitch dont work unless Device is hotplugged

I want to connect to the internet using a 3g usb dongle. I have downloaded ppp, usb modeswitch and wvdial. Modeswitch is able to switch my from storage to modem only if I hotplug the device into the ...
1
vote
0answers
83 views

Connecting 3g dongle requires it to be replugged

I am using a 3g dongle and usb_modeswith. It works fine if I plug the device after the Raspbian Os has booted up. The thing is, it does not connect (wvdial doesnt detect modem) , if the modem is ...
0
votes
0answers
124 views

Usb_modeswitch doesnt seem to work in raspberry pi b+

I just purchased a raspberry pi b+. I want to connect to the internet using a 3g dongle (huawei ec152). I followed ...
6
votes
0answers
157 views

Pi as a USB client

I am looking for a way to have the Pi act as a USB client and masquerade as a flash drive. I have seen lots of suggestions, however most of them are old (1+ years) by now and vague/incomplete - I ...
2
votes
1answer
1k views

Maximum current from usb (model b+)

I want to run the ps eye camera for my raspberry pi model b+. It is rated at 5v 500 mA . The question is , is it wise to directly connect it to the provided usb? I am using the pi to make something ...
1
vote
0answers
105 views

Wifi connection stops working

I am using a raspberry pi model b 512 MB with an Edimax EW-7811Un wifi stick and the raspberry pi camera. Power adapter has 2A/5V. OS is latest raspbian, kernel 3.12.25+. For the wifi stick, I have ...
0
votes
1answer
53 views

Small display with no assembling

I'd like to buy a display for my pi (B+, I will by it as fast I can). But I can't find any options that does not require assembling. Display can be "anything", like character lcd ...
5
votes
5answers
2k views

Why do people use powered usb hubs?

I have the RPi B+. It has four usb ports. At the moment I am powering an Arduino Mega, a small RFID reader and a keyboard. I plan to also power a wifi dongle and an arduino uno. Will this just work? ...
1
vote
1answer
332 views

USB modem not switching from mass storage to modem mode

I have ZTE MF669 USB modem. root@raspberrypi:/home/pi# lsusb Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 ...
1
vote
1answer
45 views

Boots only when USB key connected (fstab related)

I have the following problem on ArchLinux system. My raspberry Pi won't boot unless I have my USB stick connected. I've been doing some tests and I discovered it is fstab related. When I comment the ...
2
votes
1answer
200 views

Can the new raspberry pi B+ act as a usb sniffer?

I am trying to capture data from a computer going to a USB peripheral. I think the previous raspberry pi (model B) couldn't do this because it could not act a USB slave. But can the new raspberry pi ...
2
votes
1answer
94 views

Is it possible to toggle individual USB ports?

I have a motion-detecting PiCamera set up running, which is fine and dandy until it gets dark. I could get another Pi with the NoIR camera instead, but a simple solution occurred to me the other day - ...
2
votes
1answer
49 views

Problems trying to expand USB file system

I am having a little bit of a problem expanding my file system on my Pi. I have just used Win32 to "burn" the Raspbian OS onto my 8Gb USB, which I then copied the boot files to my 2Gb SD and changed ...
2
votes
1answer
458 views

5 Ghz Wifi on Raspberry Pi

I have already configured by Raspberry Pi to be a wireless access point using the tutorial here: ...
2
votes
1answer
228 views

Arduino Serial Port via Raspberry Pi SSH

I have just bought an Arduino Uno R3 and I would like to view the Serial Monitor using my Raspberry Pi via SSH. I have looked around on forum sites but cannot seem to find the proper software or ...
0
votes
2answers
67 views

Can I transfer programs to my RPi via a USB stick from Windows?

My raspberry pi isn't connected to the internet for now, and I don't have the patience to bridge connections and everything. Can I somehow download some linux programs from online through my windows ...
1
vote
1answer
175 views

How to set up data plan for 3g modem for raspberry pi?

I have seen several posts about how to connect a raspberry Pi to a 3g modem to begin transmitting data. Here is an example of a modem I would like to use. My main confusion is in how you get the ...
1
vote
2answers
80 views

Whenever I connect a usb device, it shuts down and won't boot for 3 minutes [duplicate]

when I boot my pi, everything is fine, but when I connect any usb device(they worked before), it just turns off and only will show the red light and a faint green glow for about 3 mins until it works ...
0
votes
0answers
34 views

Keyboard is disabled on boot up

I've just installed a copy of noobs on my Pi. I then installed Raspbian. When I boot up in recovery mode I can use my keyboard and mouse fine. However, when It boots normally I can see that it ...
0
votes
0answers
209 views

Raspbian keeps stalling at “[…] Starting OpenBSD Secure Shell server: sshd” during boot

I have the most up-to-date version of Raspbian (2014-06-20) freshly-installed, and went through the configuration screens without a problem. However when I shut it down, plug in a wireless USB adapter ...