0
votes
0answers
6 views

Problems with npm (Jessie): Illegal instruction

I'm trying to use npm on my Raspberry Pi under Debian testing (Jessie). When I perform a command like: npm install -dnpm install express I get the error message: Illegal instruction This seems ...
0
votes
0answers
7 views

Virtualbox install help

I have been trying to install Oracle Virtual box in raspbian, but when I follow Oracle's tutorial, I get the error: W: Failed to fetch http://download.virtualbox.org/virtualbox/debian/dists ...
0
votes
0answers
5 views

Python to open the terminal and play a movie through VLC?

Is it possible to send a command from one Raspberry Pi, to another, and open up a video file with VLC, using Python? This is my idea that involves this: Raspberry Pi 1, has a web server on, where ...
1
vote
1answer
13 views

dd corrupts my SD card

I have encountered the following issue with the installation of RASPBIAN on my RPi Model B. I have downloaded the raspbian image but when I flash it on my SD card via sudo dd bs=1M if=image.img ...
0
votes
0answers
7 views

No video output on HDMI or AV

It is a bit confusing because my PI works perfectly weeks ago. But on day, it was not in my network anymore and it seems that my PI is not working anymore. I connected everything correctly, but there ...
0
votes
1answer
9 views

folder permissions changeing and i don't know why

I have a Python script that moves files from a folder on my pi to a mounted network drive folder, linked to a Box account. The script seems to intermittently stop moving the files, and on further ...
0
votes
0answers
8 views

Captured image using RaspiCam got crop

I am working on a project using the Raspberry Pi model B and the Raspberry Pi CSI camera module (RaspiCam). The problem is, captured image area when im using raspicam_test which in the raspicam ...
-1
votes
1answer
10 views

Lynx Can't access startfile http://lynx.isc.org

I am trying to use lynx to browse the internet from my Pi, as I use it headless via SSH. I SSHd in and ran the command lynx and it didn't give any errors I could see right away. However, once I tried ...
0
votes
0answers
10 views

unattended custom installation

Thanks to "raspbian-ua-netinst" I am able to setup my Pi unattended. I would like ot run a couple of shell scripts after the first boot. They actually do nothing more than change the file ...
0
votes
3answers
15 views

How do I shrink the screen with composite out?

I finally got my Pi to display on an old TV, via the RCA connector. Unfortunately, the Pi outputs a picture that is bigger than the TV can display. It does this on both the TV pictured here: and a ...
0
votes
1answer
15 views

RPI with GPIO connector AND micro usb Power supply?

if I use both the GPIO connector and the micro usb does this double the Amper value and the voltage value or only the amper value ?
0
votes
0answers
12 views

New Added Files Has Been Setted Chmod 600 via FTP

Whenever i've sent a file via FTP, it's chmod has been setted to 600. So they never read/run without i change to chmod. I dont want to change this chmods everytime. How can i change this file's ...
1
vote
1answer
47 views

RPI is rebooting every time I plug in the wireless device?

I encounter a very annoying problem with My Raspberry Pi which is rebooting whenever I plug into it a Wireless USB adapter or an ethernet adapter.
0
votes
1answer
19 views

bridge eth0 static wlan0 static wlan1 dhcp

I really need some help with the raspberry networking stuff. I try to set up an Access-Point. I want to Access my Raspberry Wifi "Blackbox". After that I want to connect to "box" (192.168.100.2) over ...
1
vote
2answers
87 views

How do I connect Raspberry Pi to my TV?

I have an old TV set and it does not have HDMI. I wanted to know how to connect my RPi to it and which cables I should buy. Problem is I don't know what are these inputs called as, so I couldn't ...
0
votes
1answer
25 views

Setup a led that blinks via php server

I wanted to blink or just lit up an LED on my Pi GPIO pin via a server/website. I've the resources like Pi, LED, php server etc. I just don't know how to code to connect my Pi to server and control ...
0
votes
0answers
15 views

Raspberry have DNS, but 100%packet loss

Today I moved my raspberry of place, it s connected to the same switch, same router, but different port. I can ssh to it (so obviously, it connect at least to the switch), my PC is on the same switch ...
0
votes
1answer
29 views

Where to get / how to build a 50" / 1.25 m. long GPIO cable

I want to connect my 433.92MHZ transmitter to my Pi. The problem is, it's 50" away from my pi, and the only cables I can find online are 20 cm (8") long cables. I've thought about creating the cable ...
0
votes
1answer
21 views

How to fix: mount error(22): Invalid argument?

I used to mount a Time Capsule share and everything was working great. Recently, probably after a system update, sudo mount -a give the following error: $ sudo mount -a mount error(22): Invalid ...
0
votes
1answer
25 views

Problems installing lxml

I'm trying to install lxml (I need version 3.3.4) but when I try to pip install --upgrade lxml I keep getting build errors: gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall ...
0
votes
1answer
25 views

How to get the state of a GPIO pin bash

how do I get the state of a pin and store it in a variable in a scipt?
0
votes
1answer
32 views

echo: write error: Operation not permitted

Running as root user yet I'm still not permitted to use this: echo "21" > /sys/class/gpio/export echo "out" > /sys/class/gpio/gpio21/direction echo "0" > /sys/class/gpio/gpio21/value
2
votes
1answer
27 views

Heat buildup in Rasperry pi Cases

I'm looking to build a nice wood case for my Pi. However, I've noticed that the processor already generates a good deal of heat. Would putting my Pi in a case cause noticeably higher temperatures? ...
1
vote
1answer
37 views

Permission Denied for CPU Temperature Query

When i login as root user into my Rapsberry Pi, then i query for temperature using this command; pi@raspberrypi ~ $ /sys/class/thermal/thermal_zone0/mode -bash: ...
0
votes
1answer
16 views

Open Door with RPi and RITTO TwinBus Digital Door Bell System

What kind of circuit would I have to devise in order to read a certain amount of voltage (let's say 0.5V) from my RITTO Twinbus Door Bell system with my RPi? In detail what I want to achieve: there ...
0
votes
0answers
13 views

online music on XBMC

Is there a functional script for XBMC (on a raspi, obviously) that allows to listen to online music coming from grooveshark , spotify or whatever... needed NO premium or anyhow or pay-for-it account ...
0
votes
1answer
9 views

Is GPU accelerated Xorg server released

we are working C# windows form application. The rendering of form and form navigation is very slow. I was reading about the speed improved X org server or graphic driver about to release in 2013. Is ...
0
votes
0answers
20 views

how to interface raspberry pi and plc

am doing a project on controlling the plc by using raspberry pi. any one please suggest some sample coding and tutorial regarding this project. am already finished a coding part to connect a control ...
0
votes
2answers
31 views

Safest way to power a hungry Wifi adapter and the Pi from a single 5V source

My Pi is destined for the skies, so it will receive power at roundabout 5.3V via the BEC (battery eliminator circuit) which will be capable of delivering up to 10A (heavy duty BEC it is), so sourcing ...
1
vote
2answers
25 views

add user, and set user privileges, setting file permissions block certain commands?

I am wanting to make restricted user for a friend on my raspberry pi, I know how to add a user, but I never looked at adding restrictions to that user.. I tried googling but it seems its not a common ...
-6
votes
0answers
27 views

Thoughts on cool illuminated power switch? [on hold]

what do you think of this switch on Kickstarter? I think I'm gonna get one! https://www.kickstarter.com/projects/1312527055/illuminated-raspberry-pi-safe-shutdown-switch
0
votes
3answers
50 views

More Software PWM

I'm currently working on a project which requires more than one PWM signals for my LED drivers. I'm not looking for any additional hardware for this and so my focus is mainly on software PWM. Based ...
2
votes
2answers
53 views

How to get remaining Memory in SD Card?

I have 16GB Sd card where I installed Rasbian using Win32 Disk Imager. After burning the image in windows OS it shows only around 40+ MB of free Space, Since Rasbian is image is around 2 GB where is ...
2
votes
0answers
30 views

/sys/class/gpio values only working if python gpio script was used before

i have a problem with the gpio sysfs files. when i use cat to get the values of a gpio pin it will always show 0. but after using a python script ( ...
1
vote
1answer
51 views

Installing Python 3.4 on Raspberry Pi

Is it possible to run python 3.4 on a Raspberry Pi? Currently I have python 3.2, but the odd thing is that running sudo apt-get update sudo apt-get install python3 results in my Raspberry Pi ...
0
votes
2answers
63 views

Raspberry Pi as NAS

I was just wondering: Can I use my Raspberry Pi Model B as a Network Attached Storage? My plan is to have a wired connection from my router to the Pi, and a 2TB Exfat formatted drive attached to it. ...
0
votes
1answer
38 views

Unlock 512 MB Ram Model B

I want to unlock the 512 MB RAM on my Raspberry PI. I have RASPMBC installed and followed http://hubcitylabs.org/unlocking-your-new-raspberry-pis-512mb-of-memory/ But it isnt working, I get error ...
0
votes
0answers
7 views

decoding DPL2 with an external audio card

Is it possible to use the Raspberry Pi to decode external Dolby Pro Logic II 5.1 audio streams (coming from a videogame console) using one of these external audio cards: ...
0
votes
0answers
24 views

After building my own kernel I cannot load any module

Story of my life I built my kernel according to: http://elinux.org/RPi_Kernel_Compilation. I was able to boot my 3.14 kernel image. However when I want to insert rt2800usb I get the errors listed ...
2
votes
2answers
51 views

Using the Raspberry Pi Cam at 110 degrees Celsius

A CCD camera is required to be placed in a hot environment of up to 120 deg Celsius. I am thinking of using the Raspberry Pi Camera Module which I already have. However I am unable to find any specs ...
1
vote
1answer
29 views

Auto-Execute a program on power up

So, I put my Pi on a custom quadcopter. I have a program that will track an object with a cam and send out pulse widths to control my motors. Any way, right now I have to ssh into my Pi to run my ...
0
votes
3answers
33 views

How to solve a IndexError in python? [on hold]

I am working in python based in a java code. I have this in Java: public static byte[] datosOEM = new byte[900000]; public static byte x1=0,x2=0,x3=0,x4=0,x5=0,x6=0; I wrote this in python ...
1
vote
1answer
41 views

Used-to-be-working Pi does not boot, shows no lights, gets pretty hot

I have a Pi running a super-stock Raspian installed with NOOBS (If I remember correctly). Yesterday, it was working fine. I stopped using it for a bit to debug some other parts of the project this Pi ...
0
votes
1answer
36 views

Raspberry to power on Arduino

Ok this may seems a little bit strange question. For my personal educational purpose only I've built the following: there are 2 sensors (one digital, the other analogic) connected to an Arduino Uno ...
0
votes
0answers
19 views

Using FBTFT framebuffer efficiently

I'm using FBTFT with a tm022hdh26 TFT display connected to my RPi. It is working fine when writing a full screen of 240x320 pixels at a time using C# and Mono: const int width = 240; ...
0
votes
1answer
34 views

How does Raspbian depend on Python2.x?

I've written a Python3.x code on a PC (win 7) in order to read out temperature data from an external measurement unit (using basically pyserial & Matplotlib). I want to port this program on a ...
1
vote
1answer
26 views

Load Balancer vs. Master Node

I have been doing some research in building a Raspberry Pi cluster, and I have found 2 main approaches to the cluster configuration. The first I found, such as this report from the University of ...
1
vote
1answer
24 views

Using 'Network Manager' for Wireless & VPN Management

I am new to RP & have been searching for 24 hours for this. I have a 'ThePiHut' USB wifi dongle. It seemed to install its own drivers when I plugged it in and I used the wpa_gui to successfully ...
0
votes
0answers
16 views

RaspBMC black screen

I installed RaspBMC from a compatible SDCard and I got a black screen shortly after I saw the logo. After searching online, I realized that it might have been an HDMI problem so I went in the config ...
0
votes
0answers
6 views

EOF error when running pifacedigital-scratch-handler

I get this weird error when I am trying to run as per the instructions on this repo https://github.com/piface/pifacedigital-scratch-handler/blob/master/README.md pi@raspberrypi ~ $ ...

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