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

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16 views

Powering EL (electroluminiscent) wire with Raspberry Pi 2?

I have bought this 3 items: Electroluminescent (EL) Wire - 2.5 meters (https://www.adafruit.com/products/406) EL wire 4xAAA pocket inverter (https://www.adafruit.com/products/564) USB Battery Pack ...
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1answer
33 views

Network through USB?

My Macbook is lacking an Ethernet port, but can network through USB. If I set up the Raspberry Pi as an internet router, can it route traffic through USB to my Macbook?
3
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1answer
64 views

Serial write 1,000,000 baud slow

I'm communicating serially with an Arduino Mega2560 from Raspberry Pi v1 model B. The Mega is connected to the Pi's USB slot. I'm using the rxtx library on the Pi to send data at 1,000,000 baud. ...
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2answers
38 views

Accessing files on Pi over https

I've install Baracuda drive on my Raspberry Pi in order to access files located on an attached usb drive from a browser. This works well in my local network and now I want to open a port on my router ...
1
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0answers
18 views

Persistent names for usb-serial devices

I am making a weather monitoring system to use Raspberry Pi 2. In weather eye, there are two sensors and two USB to serial ports. I want persistent names for USB-serial devices. I imitated this ...
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2answers
41 views

Can I use the USB Hub to power the Raspberry Pi Zero?

I have this hub, with the Pi Zero: I know that I need to power the Pi via the USB power port and that the Hub is powered a separate power supply; provided when you purchase it. But I'd rather ...
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0answers
14 views

HDMI image processing [duplicate]

I would like to know if is it possible to process images that came from a HDMI source (not a camera) with Raspberry Pi and OpenCV, even by using the HDMI to CSI-2 bridge (b102) or by using HDMI to ...
1
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1answer
33 views

Secugen Hamster Plus Fingerprint Sensor Raspberry Pi Integration

I have a Raspberry Pi and SecuGen Hamster Plus fingerprint sensor. I am trying to get fingerprint inputs from the sensor to Raspberry Pi using the following code. import sys import usb.core import ...
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2answers
36 views

Keyboard and mouse stops working after connecting usb hard drive

The wireless USB keyboard stops working when I connect a USB hard drive. I also tried to connect a non wireless USB mouse together with the USB disk and the mouse stopped working. I'm running ...
0
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1answer
46 views

Having two 2.5'' drives makes one turn off the other on plug

Currently I 'm using my RPi 2 with a 1 TB external Toshiba USB drive.Back in the day, I had to set max_usb_current=1 in my /boot/config.txt file, because when I plugged it in it would keep trying to ...
0
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1answer
20 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. ...
4
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1answer
72 views

Automount various USB stick file systems on Jessie Lite

I want to be able to automount USB sticks fat32 and ntfs formatted on the fly, like hot-plugging without rebooting the my Raspberry Pi 2. I have ntfs-3g installed on jessie-lite. Putting the UUID in ...
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1answer
21 views

Apache webserver cant access usd device

I'm trying to build a small webapp in PHP that allows me to control my DSLR with my rpi2. I am using the gphoto2 program, which is a console program that talks with most ptp cameras and can take ...
1
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0answers
15 views

mutek usb smartcard reader not detected(Probably missing drivers)

Recently i re-started fiddling around with smart card readers and raspberry pi. A few months ago when i started to fiddleing around with usb smartcard readers and raspberry pi, i was doing some ...
1
vote
1answer
46 views

Bcm 43143 Hostapd Driver Problem

I am trying to establish an AP media server with Raspberry Pi 2 and was following the Adafruit guide: setting up a Raspberry Pi as a WiFi access-point. I have completed that but at the start step my ...
3
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1answer
50 views

USB Serial Port Configuration

Goal: configure serial to USB cable for 9600 8-N-1 Cable is plugged-in and observed: root@OpenHAB:~# uname -a Linux OpenHAB 3.18.11-v7+ #781 SMP PREEMPT Tue Apr 21 18:07:59 BST 2015 armv7l ...
0
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1answer
41 views

Why can I not access my raspberry pi over usb whilst using my wifi dongle?

I'm using adafruit's usb to ttl gadget to communicate with my raspberry pi over usb. For some reason when I plug in my Raspberry Pi Ralink RT8188 wifi dongle and reboot, I can't access my raspberry pi ...
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0answers
29 views

Raspberry Pi 2 with Arch Linux not detecting my printer

I have a weird problem. I have installed Arch Linux ARM on it and hope I will install CUPS + Samba server. But I have very weird problem. The system doesn't detect my USB HP LaserJet 1300 printer. ...
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0answers
42 views

Raspberry pi and action camera

I plan to build a submersible robot used to do underwater surveillance. I think action camera such as GoPro and Xiaomi Yi will produce a high quality image, yet I do not know the compatibility to send ...
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2answers
47 views

Raspberry Pi 2 Arduino Mega USB Communication

we are trying to control our rover via wifi. the idea is motor drivers are connected to arduino mega and the mega is connected to raspberry pi 2 (raspbian os) via USB. raspberry pi is receiving ...
0
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1answer
37 views

Universal USB Charger for Raspberry pi 2

i have a charger with 5 V output and 1.5 A output https://www.microsoft.com/en/mobile/accessory/ac-60/specifications/# i know raspberry pi 2 needs 5V 1A it is ok to use the raspberry with this ...
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1answer
53 views

How to start Motion in daemon mode on RPi running Raspbian Jessie

I have recently get to set up motion with my RPi but I have a problem which is simple one one hand, but, on the other, can’t find any step-by-step instructions to remedy it. Although I have ...
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0answers
32 views

Configure Mic and USB speaker Jessie [duplicate]

I would like to use the mic and usb speaker with Pi2 Jessie. Here is the output from lsusb: Bus 001 Device 006: ID 0d8c:013c C-Media Electronics, Inc. CM108 Audio Controller Bus 001 Device 005: ID ...
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0answers
20 views

Servo problem with arduino connected to Raspi

I have an arduino that's serially communicating via the USB from the raspi and getting powered as well. I'm connecting a servo that is powered by a 7805 regulator from a 9v battery and the signal ...
1
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0answers
55 views

Expected performance of Raspberry Pi as NAS with software RAID-1

What kind of performance can I expect from a Raspberry Pi 2 as a NAS with 2 External hard-drives as a software RAID-1? I know that the Ethernet runs as a USB device so they all (Ethernet and 2 ...
1
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1answer
48 views

Raspberry Pi 2 As Inbetween From GPIO Device To PC

So I'm not sure if this specifically has been asked before, as I had a look around, and most of the questions relating to USB stuff seemed to be about using the Pi as a USB flash drive. I was ...
3
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1answer
69 views

How can you setup wifi without a usb hub on a Pi Zero?

I want to setup wifi on my new Pi Zero, and I do not have a powered USB hub. My keyboard/mouse takes up the only USB port, so I do not have another port to add a wifi dongle. I would prefer not to buy ...
1
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1answer
38 views

Raspberry Pi Model B USB controls power?

When I plug in my keyboard's bluetooth dongle to the USB port, my Raspberry Pi boots up. When I take it out, the power seems to instantly cut (screen goes black, Pi unreachable by ping/ssh). Note that ...
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0answers
50 views

How to wait for the copying process (cp) to finish? [closed]

I want my RPi 2 (with MiniBian (a minimal version of Debian-based Raspbian OS) as its OS) to execute a script when it detects a USB flash memory is inserted. So this is what I have done: I created ...
1
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1answer
61 views

How to speed up wifi (usb dongle)?

So I bought this Edup dongle off ebay. It's rated 802.11n, 150mbps. I'm on a 1.5MB/sec down stream. However, when I run speedtest-cli on the dongle, contrasted with the Ethernet cable plugged into ...
0
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1answer
54 views

Unable to mount root fs on unknown-block(8,1)

Per Boot from external USB stick / drive? - Raspberry Pi Stack Exchange: I am able to mount my USB stick within OS (/dev/sda1), I then replaced root='s value with /dev/sda1 inside of cmdline.txt from ...
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1answer
19 views

Puzzling problem with Arduino on USB at boot

I have an Arduino Uno (R3) monitoring a magnetometer connected via USB to a PI (B) running latest Raspian. My Pi Python program scans the USB every second reading an integer value via ser = ...
1
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1answer
36 views

USB camera recording using avconf

I need some help in recording videos with USB webcams in raspberry pi 2. I am currently using this code to start recording videos: avconv -f video4linux2 -r 10 -s 1280x768 -i /dev/video0 -y new1.avi ...
1
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1answer
24 views

Problem Installing Ralink Firmware for Belkin F5D7050

I am trying to get a Belkin IEEE 802.11g USB WiFi Network Adapter to interface properly with my RPi. Upon checking dmesg it is apparent there is an issue loading the firmware for the device: [ ...
3
votes
2answers
57 views

USB Rx from GPIO

I'm trying to get Rx from USB via GPIO for reverse engineering. I'll use it for such as keyboard, mouse, USB fax modem etc... I want to get data from USB device and sending data to my another ...
0
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0answers
24 views

USB accelerometer options for the pi?

Im trying to minimize the time to prototype a device and I'm curious to know if there are any USB ways of connecting an inexpensive accelerometer to the pi ? If not then are there any ways to ...
0
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0answers
33 views

RX/TX Issue with FT232R USB UART

English is not my native language so please be patient. Hi to all, happy new year. I'm using a Raspberry Pi 2 (model B - running Wheezy) and a usb2serial converter, I'm trying to control an electric ...
3
votes
1answer
86 views

Strange fdisk output for USB device

I am trying to access a USB thumb drive. The drive has been formatted using Windows 10's format utility. Nothing fancy: One (empty) FAT32 partition (named "VOLUME") taking up the drive's entire ...
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1answer
95 views

Auto-execute on new USB volume

I have a Raspberry pi b with an SD card reader connected to one of the USB ports. I would like to automatically process files as soon as an SD is inserted. Is there a way to somehow register a program ...
1
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1answer
58 views

Max safe current and power requirements for Raspberry Pi 2 Model B?

I have a few questions to ask. I have referred to many other similar questions, but couldn't get a straight forward answer to my questions. Current situation: I just recently bought a Canakit ...
0
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0answers
69 views

Raspberry pi USB webcam problem

When I try to take an image through the fswebcam, Raspberry Pi 2 shows following error. --- Opening /dev/video0... Trying source module v4l2... /dev/video0 opened. No input was specified, using the ...
1
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0answers
42 views

Are there any compact microphones compatible with RasPi that can fit inside a typical enclosure?

It is my understanding that the Raspberry Pi doesn't have a sound card and therefore isn't able to accept sound input without help. However, most USB microphone have such a "sound card" built in, and ...
3
votes
1answer
65 views

Can I use an Apple charger to charge my Raspberry Pi 2 Model B and PS4 Controller's Mini USB?

I have an Apple charger that says: 12W - USB Power Adapter 2012 Input: 100-240V ~ 0.5A (0,5A) 50-60Hz Output: 5.2V === 2.4A I also have a PS4 with its controller - they used ...
3
votes
1answer
209 views

Logitech K400 Plus

So, I've scoured the forums and tried everything (of which I'm aware) under the sun and, well, I've come up empty. Just purchased a new Logitech K400 Plus Keyboard and wanted to connect to my ...
2
votes
1answer
139 views

Cannot get USB audio (Generalplus Technology Inc) to work

I bought a USB audio adapter and have been unable to get any sound to come out of it. lsusb reports it as: Bus 001 Device 005: ID 1b3f:2007 Generalplus Technology Inc. which is not one I've come ...
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0answers
51 views

usb 1-1.2: device not accepting address 44, error -71

I am trying unsuccessfully to use an external hard drive (which has its own wall power) with my Raspberry Pi 2. I have cards with Raspbian versions Wheezy and Jessie and both have the same issue. ...
2
votes
1answer
100 views

For communicating with a modbus rtu slave using rs485 to usb converter, does Raspberry Pi require any configuration?

I have a modbus slave device and a rs485 to usb converter. I used the converter and successfully read data from the slave device with my laptop but when I try to use it with the Raspberry Pi I am ...
3
votes
0answers
70 views

Raspberry Pi hangs on USB activation

I try to run gentoo on my Raspberry Pi. Kernel 4.1.15. After booting kernel loads & try to discovery hardware. On USB activation all hangs. These are last strings I see in console: [ 2.219170] ...
1
vote
1answer
61 views

What types of keyboards does the Raspberry Pi 2 B+ board support?

I recently installed Raspbian Jessie into my Raspberry Pi, which i could access today as a christmas present. I have successfully plugged in a USB mouse, but i have no USB keyboard. To see if i really ...
3
votes
1answer
47 views

Can I SSH into my pi via a USB-to-USB connection with my laptop?

My laptop does not have a built-in ethernet port because it is new so I used to SSH with my pi via a USB-ethernet adapter but I recently went to Russia and forgot the adapter in the US and since I am ...