0
votes
1answer
15 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. ...
0
votes
0answers
11 views

Anaconda Python installation failure on Pidora

With my Raspberry Pi A+ running Pidora, using this guide, I get past wget, through /bin/bash, then I tried $ conda search ImportError: libbz2.so.1.0: cannot open shared object file: No such file or ...
1
vote
0answers
10 views

Pi can't find Wifi Dongle Upon Turning On/ Rebooting/Ifup

I'm having lots of trouble getting my Raspberry Pi wlan*'s to work. I already have several Raspberry Pi 2's that work perfectly with the exact arrangement I'm about to describe, but this one I just ...
1
vote
1answer
33 views

Forcefully erase Raspberry Pi 2 micro SD card [on hold]

I foolishly rolled back my firmware so that I could install MySQL, because some tutorial told me to do so. I am usually good about not messing up that bad. Anyway, once I rolled back my firmware, I ...
1
vote
0answers
6 views

Pulseaudio / A2DP Bluetooth don't work in system mode, but work work fine under “pi” user

I'm running Jessie version on Raspberry Pi2. I'm trying to install Pulseaudio 8 from the source, but having problems running it in system mode with Bluez5 with A2DP support. On startup in system-wide ...
1
vote
2answers
17 views

Disk Migration between same model rPI

If I remove the SD card from an Raspberry Pi 2 and move it to another Raspberry Pi 2 (same model) Can I expect it to boot correctly? What modifications need to be made / considered so that the stack ...
1
vote
1answer
32 views

use Pi as internet gateway

I've got several devices connected to a Sky router (Sky Hub SR101) via wifi and Ethernet. I have a usb wifi dongle conected to my raspberry pi. And use it to connect to a 4G smartphone. (That works ...
-1
votes
0answers
8 views

Espeak not working with jessie [on hold]

I have a problem getting espeak to work with Raspbian Jessie. I have espeak working on wheezy and other audio programs are working on Jessie but espeak and Jessie are not working together. Robb
0
votes
1answer
19 views

Installing CentOS 7 on a Raspberry Pi

How do you install CentOS 7 on a Raspberry Pi? The link to download the image is available here.
1
vote
1answer
11 views

Default username/password for CentOS 7 on Raspberry Pi

What is the default username and password for CentOS 7 for Raspberry Pi?
1
vote
0answers
8 views

CentOS Development Tools “No package kernel-devel available.”

When attempting to install the Development Tools on CentOS 7 I get the error: Error: Package: systemtap-devel-2.8-10.el7.armv7hl (base) Requires: kernel-devel However I can not seem to ...
0
votes
1answer
19 views

Make programs start on boot on jessie such as samba/apache with webmin?

First of all I want to say I'm new to linux in general so this might be something really simple. My issue currently is trying to make it so both my apache and samba autostart on boot. I've been trying ...
0
votes
1answer
15 views

Laptop display connection

is there any way how to connect Dell Latirude D630 display B141PW03 V.0 to RPi? I have working digitizer, working notebook which is useless for me... Thanks
0
votes
2answers
21 views

File transfer 8 GB to 32GB SD card

Can I transfer osmc/kodi files from 8GB SD card to a new 32GB card with up to 80 MB speed?
0
votes
1answer
22 views

Connecting 32 pin LED matrix to Raspberry Pi

I have a Raspberry Pi Model A and a 32 pin 8x8 full color LED Matrix. I would like to connect these up so my Raspberry Pi can control all the LEDs. This is the LED matrix I have: ...
0
votes
2answers
27 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 ...
0
votes
0answers
18 views

Flash LEDs connected via GPIO to beat of music [on hold]

I would like to flash the LEDs connected to my Raspberry Pi 2 via GPIO to the beat of (MP3) music. Is there any way to do this? I've found a few tutorials for the Arduino but none for the Raspberry ...
0
votes
0answers
9 views

Live streaming of Android phone in raspberry PI using android app

I want to do live streaming of my presentation in raspberry PI through my android phone. Please help me. I am new in this.
0
votes
0answers
10 views

No module named social.utils [on hold]

how do I solve this error? Traceback (most recent call last): File "facebook.py", line 11, in <module> from social.utils import parse_qs, constant_time_compare, handle_http_errors ImportError: ...
1
vote
0answers
15 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 ...
2
votes
1answer
33 views

Apache “404 not found error”

I previously posted a similar question because I used to get a 403 error message (Forbidden). So I decided to get a new micro SD card, and I installed a fresh Apache server then I re-followed this ...
1
vote
0answers
7 views

cansend to a CANBus device doesnt work

I am trying to control an Elcon battery charger (http://www.elconchargers.com/catalog/item/7344653/7638003.htm ) which outputs a DC voltage and current and can be set through a CANBus adapter. I ...
0
votes
1answer
11 views

Perm Denied, when trying to copy files from flash drive

I am running retro pie On a Raspberry Pi 2 and I am new to the Linux, So please somebody tell me what I am doing wrong here I have a file, gba_Bios.bin on a flash drive on /usb/ I do cp ...
0
votes
2answers
33 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 ...
0
votes
2answers
25 views

Are there any battery packs than can act as a UPS? [on hold]

I have an external battery pack, for my phone - it charges via USB. I was thinking I could use it to power my new Pi Zero - if the power goes out - but I realised the one I have cannot be charged and ...
1
vote
1answer
9 views

Video output not centered on TV screen

I've had a few issues with HDMI. The first was no audio which I fixed. I suspect this other issue can be fixed in a similar fashion, but I am a super NOOB to all of this. Basically, the image on ...
-1
votes
0answers
37 views

Using gpio value [on hold]

Is it possible to reference the value of the pin 7 outside this function in a global variable? gpio.setup(7, gpio.DIR_IN, readInput); function readInput() { gpio.read(7, function(err, value) { ...
0
votes
2answers
25 views

RetroPie pre config image

I have been trying to get my retro pie working for the last couple of days and this is my last hope. I was wondering if anyone could lend me there file for retro pie that is already configured, for ...
0
votes
2answers
20 views

Raspberry Pi with camera module as webcam?

I have been running the raspberry Pi with camera module for a little time right now as my "outdoor camera" (because I couldn't really afford a nice camera for on the road). now that I have a decent ...
0
votes
1answer
8 views

Port forwarding / XBIAN

I have UPNP enable on my router, its may be a bit (very) unsafe. I'm worried now cause the raspberry PI have 3 port opened through UPNP 7000 TCP and UDP and 4433TCP From what I know 4433 is a ...
0
votes
0answers
13 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
vote
1answer
23 views

Getting kernel headers for raspberry pi 2

I'm attempting to create a virtual video device on raspberry pi 2 using v4l2loopback and prior installation of the v4l2loopback on their website in the Dependencies section they say that the kernel ...
3
votes
1answer
35 views

HDMI input raspberry

I would like to know if it is possible to process images that come from an HDMI source (not a camera) with a Raspberry Pi and openCV. Even by using the hdmi to csi-2 bridge (b102), or by using hdmi to ...
3
votes
1answer
49 views

Detecting Pi has been unplugged instead of shutdown

I've been extending a weather station / webcam we have here at our model flying field. It has now an Arduino gathering the weather data and starting the Pi in a specific time interval (5 or 10 ...
1
vote
1answer
25 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 ...
1
vote
4answers
145 views

Red LED after `sudo halt`, may I unplug?

I flashed Raspbian and I use my Pi headless, connecting via SSH. To power it off I do sudo halt, which disconnects me from the SSH. After a few green led blips I have steady red led on. Does it mean ...
-1
votes
1answer
23 views

I need it to do a few specific tasks [on hold]

Im trying to find out if raspberry pi can access files through a local network on a main computer. get on the Internet through a browser and access things like Facebook, google drive, and a website ...
0
votes
0answers
16 views

How to supply more power to output devices (not to Raspberry pi)? [on hold]

Please help me to understand, how I can supply more power to my output device. For Example I have 100 LED lights, for those lights 5V is not just enough. They need more external power has well. How ...
0
votes
1answer
29 views

Can I create a web hosting for my website on raspberry pi and let it run 24/7 [on hold]

I had seen a post in which it was taught how to create your own hosting/server on your computer (but the problem is... You got to keep it running all the time.. It shuts down and the website is down). ...
1
vote
2answers
41 views

Use ssh as substitute of serial

Hi please excuse me if this is a dumb question. I'm making a small machine, driving 3 steppers, and the connection between the computer (linux OS) and the controller (Raspberry pi Compute Module) is ...
1
vote
1answer
43 views

Running Raspbian Jessie from SD in Mac OS

So, long story short, I've built a magic mirror for the lady, who lives abroad. I've edited wpa_supplicant and added her wifi credentials, but when she got home, it won't connect to the internet. ...
0
votes
2answers
35 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 ...
3
votes
1answer
25 views

Windows 10 IoT Wrong Time

my issues is that when I boot my pi the time is always off. Now I have already set the time to my location I am in Eastern standard time(US), I have also tried to manually set the time using ...
0
votes
0answers
10 views

Bluetooth keyboard won't reconnect without reboot

Following this tutorial, I've managed to connect my bluetooth keyboard to Raspbian. But the problem is, that every time I turn off the keyboard, or it simply loses connection, It won't reconnect. Only ...
0
votes
2answers
33 views

Driving a 4 digit 7 segment common cathode from GPIO

I have 8 330 ohm resistors wired up to 8 gpio pins (8 anodes), then I have the 4 cathodes wired to 4 other gpio pins. I tested all my connections with a multimeter and everything looks good. Then when ...
-1
votes
0answers
28 views

Change the slides of ppt using UART

I am new in raspberry pi. I have interfaced the bluetooth module with raspberry pi which has UART in it. Now I want to change the slides of my ppt through the UART. How can I do this thing? I am ...
1
vote
0answers
21 views

Will the Raspberry Pi Camera Board output to the Raspberry Pi 7" DSI Screen?

I am working on a project that makes use of the Raspberry Pi 2, a Raspery Pi camera board, and I want to output to the official Raspberry Pi 7" DSI Touch Screen. If I use the picamera library, am i ...
9
votes
4answers
1k views

Raspberry Pi hardware ID

Is there a possibility to store a hardware ID for each Raspberry Pi based device? Let's say I have 10 custom devices based on Raspberry Pi platform that are used for distributed tasks. At some point, ...
4
votes
1answer
64 views

Rasberry Pi IR Transmitter does not work

Config directory root@raspberrypi:/etc/lirc# ls hardware.conf lircd.conf lircmd.conf lircd.conf file # Please make this file available to others # by sending it to ...
0
votes
1answer
29 views

Access forbidden after using FileZilla client

I'm running apache2 webserver on raspberry pi and when I transfered few files from my PC to raspberry (via FileZilla client), I have no Access to them: Forbidden You don't have permission to access ...

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