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5
votes
2answers
1k views

A good sensor for a Bed Occupied detector?

I'm trying to build a presence sensor for my bed, to help trigger assorted home automation functions. My first thought was to use a FSR and place it between the frame and boxsprings. I know how to ...
5
votes
3answers
8k views

Wifi connection lost after about 12 hours

I have my RPi connected to the net via an a wifi usb stick which is on a powered usb hub. After about 12 hour or so the connection is lost. i.e. I cant reach the Ppi anymore. If I unplug and replug ...
10
votes
4answers
7k views

btrfs root filesystem on raspbian

I thought I might experement with btrfs as the root partition to see how it handles file corruption during power cuts. But I can't get it to boot. What I did: on the PI before switching: apt-get ...
2
votes
1answer
2k views

Is there any way to initialise the Piface board without resetting it?

I'm looking to build an automation application using the Rasbery Pi + Piface board, using Python. I've got as far as being able to switch the LEDs on and off from a command line Python script, ...
2
votes
3answers
3k views

I cannot connect to the internet via ethernet (Bell Canada Fibe Modem)

I am a totally new Raspberry Pi user. After connecting all the cables into their proper places, the Pi (model B) is on but I cannot connect to the internet. My internet service provider is Bell ...
2
votes
1answer
1k views

iPhone charges when using tethered internet (usb)

I'm using my iPhone to provide tethered internet to my Pi. However I see my iPhone is actually charging while connected. Would anyone considered this bad for the Pi? I never figured there would be ...
4
votes
4answers
4k views

My server hostname doesn't work?

I've got a raspberry pi running raspbian server edition. My problem is that the only way I can ssh into it with putty is through the static ip. My router doesn't recognize the hostname; it shows the ...
3
votes
2answers
3k views

SSH is unreachable for the second time

This might be a weird problem. I just fired up my B model and plugged in a WiPi. I connected to the network and I could reach the Pi via SSH in seconds. But when I disconnect it's unreachable: failed ...
2
votes
1answer
1k views

I2C (via BCM2835 library) and a mysterious error

The main function I'm having a problem with is where I'm writing a value to external EEPROM. I clear the EEPROM, then write my value to it, waiting 100ms afterwards. #define BAUD_RATE (int)100e3 // ...
62
votes
11answers
289k views

How to force NTPD to update date/time after boot?

The Raspberry Pi lacks a hardware clock. How do I force NTPD to update date/time immediately after every boot? I'm running Raspbian and the Raspberry Pi is connected using an Ethernet cable.
11
votes
9answers
27k views

Trying to image SD card not working: Read-only file system

I just got my Raspberry Pi and a brand new 16 GB Class 10 SD card. I am using Linux Mint and am trying to image the Raspbian Debian 7 (Wheezy) OS to the card, but whenever I try dd bs=4M if=...
2
votes
3answers
1k views

Detecting TV power on/off without CEC

Is it possible to detect when I turn on/off the TV? Unfortunately my TV does not support CEC, but I want to somehow stop the XBMC process when the TV is switched off (or uses a different source).
16
votes
3answers
81k views

How to correctly install the python RPi.GPIO library

I downloaded RPi.GPIO 5.3a from here: https://pypi.python.org/pypi/RPi.GPIO I extracted the tar file, cd into the folder and ran: sudo python setup.py install It ran through a bunch of stuff and ...
1
vote
1answer
6k views

Need help troubleshooting kernel Out of memory: Kill process

I've set up a weekly backup cron job using tar and xz. Lately I'm getting the xz process killed by the kernel because of lack of memory. From /var/log/errors.log: Jun 30 03:52:09 pi kernel: [1155695....
2
votes
4answers
14k views

Raspberry Pi HDMI no signal

I've just got my raspberry pi. When I first tried, everything went on well, I got the image on me TV and I tried to set wireless connections. But when I was trying, the screen suddenly displayed "no ...
0
votes
2answers
798 views

Problem with connecting to Raspberry pi after setting a shutdown

using pianobar and utilizing a reboot delay and screens, I was running a headless pandora that was shutting off by itself. Pretty nice. I used two screens (typing screen bash) one running pianobar ...
7
votes
2answers
3k views

AirPlay on Raspberry Pi

I would like to start a new project definitely out of my current skill level. I want to make a program to run on the Pi that will allow it to use AirPlay and display on a 2nd gen Apple Tv. This is ...
4
votes
2answers
710 views

Unable to setup bluetooth dongle

Recently I got Nano USB to Bluetooth Dongle v2.0. I tried to install it by following the instructions but culdn't figure out why the module is not visible. I ran the following procedure: sudo apt-...
3
votes
2answers
15k views

How to get the exact clock speed at the raspberry pi is running?

As per the specification. If you power the raspberry pi from the USB port from PC,It will run at half speed of what it can achieve. But when you power it from the external source then it runs at full ...
0
votes
1answer
370 views

QEMU on Raspberry Pi

I'm trying to eventually run a Debian image within Raspian, but for now I'm just trying to run Slitaz. I'm able to get the boot process going, but it hangs while loading 'rootfs(N).gz, where (N) is 1-...
2
votes
1answer
5k views

best ffmpeg settings for iSpy server

At the moment I have setup streaming via nginx rtmp-module wrapped in FLV h264. This works really great for integrating into a website. But now I want to actually record and do motion analysis and ...
2
votes
2answers
8k views

Is there a pre-built LAMP server image for the Raspberry Pi?

I'm looking to set up a simple LAMP server. I do know how do this manually. I am not looking for a guide as to how to setup a LAMP server. Is there a pre-built LAMP server image that already has PHP, ...
1
vote
1answer
2k views

Custom MOTD without changing prompt colors

I happened to stumble on this forum thread (and every other page I find on RPi MOTD links here), and found a nice description on how to change the MOTD. However, after creating a /home/pi/....
0
votes
2answers
3k views

Reading common food thermometer probes

I have 2 temp probes from a Maverick ET-7 (common on Amazon.com). I would like to setup my Raspberry Pi to read temps from these. I purchased a breadboard and Pi cobbler + cable from Adafruit. Is this ...
18
votes
5answers
68k views

Raspberry Pi as an Email Server

I just got my Pi today, and of course I can't even use it because I got the wrong HDMI to DVI converter but that's besides the point and question. My question is the following: I have decided to ...
2
votes
3answers
6k views

Wireless surround sound using Raspberry Pi?

I was looking into some Bluetooth/Wireless audio solutions and wasn't a bit taken aback by what it costs for something that would actually work well. The I looked at my Pi and started formulating a ...
2
votes
4answers
23k views

Run startup application as a specific user

Quick question, is it possible to run as non-root for applications, automatically started when the pi is booted? I'm having performance and memory issues when my pi starts a homebrewn spotify-client ...
8
votes
2answers
31k views

Why is my disk space suddenly full?

Suddenly, my disk is full and I don't really know why. How can I find out? pi@raspberrypi ~ $ df Filesystem 1K-blocks Used Available Use% Mounted on rootfs 3749072 3558828 0 ...
5
votes
2answers
4k views

Network monitor by Process

Is there anything that allows me to monitor network usage by process for longer time (1 day +-). I know nethogs but it only shows current process and I need longer period to be monitored and probably ...
2
votes
1answer
3k views

Cheap USB powered hub to work with the pi without backfeeding

I am trying to build a 3D printer farm with the pi, and I need a large USB hub. I found this hub. But don't know how to evaluate if its any good. Has anyone tried something like this? Do you have a 7+...
3
votes
2answers
1k views

Emulating “Baking Pi”

Evening! I'm running through the amazing Baking Pi tutorials, which actually convinced me to buy an rPi in the first place. I realize I (obviously) can't emulate the "status" light, but I read all of ...
6
votes
6answers
19k views

Stuck in a rebooting loop

I've read other related questions here and around other forums but none have helped me so far. I do get the rainbow screen (just a sort of RGB color selector) and some console feedback: That is the ...
2
votes
4answers
3k views

UART sends but not receives but works if tx-rx are bridged

I have this strange problem... When I connect TX and RX pins together (GPIO 14 and GPIO 15, Rev1) and I run minicom, I see everything that I type... so it works. But when I connect TX RX with an USB ...
1
vote
2answers
862 views

unable to login in raspberry.. please help me out

I changed in setting under sudo nano /etc/default/keyboard XKBLAYOUT="in" I know i made some mistakes here "in" is not any standard but after rebooting my system am unable to login in my device ...
0
votes
1answer
138 views

How difficult would it be to compile QuiteRss for the RPi?

How difficult is it to compile an existing application that I know is already compiled for linux and windows? The application I have mind is QuiteRSS 0.13.0 RSS/Atom feed reader written on Qt/С++ www....
2
votes
4answers
11k views

How to share desktop's connection with Raspberry Pi?

Actually I have a single ethernet port on my router for connection. So that I can only get my desktop working with my router. Now I wanted to connect Raspberry PI to the internet through router. This ...
1
vote
2answers
130 views

Can I compile R-Pi programs (Qt) on R-Pi itself?

I want to create GUI in Qt and would like to know if I can compile and test the programs on the Pi board itself. That way, I only need to connect to R-Pi using SSH and modify code, compile and test it ...
7
votes
1answer
4k views

Can the R-Pi get damaged by body static charges?

When working with another computer-on-a-board, my instructor warned me not to touch the board components as body static charges may damage it. Is R-Pi just as sensitive and will likely get damaged ...
1
vote
3answers
10k views

Keyboard incompatible with Raspbian

My Logitech K100 keyboard is not working with Raspbian. I first installed the NOOBS OS available at http://www.raspberrypi.org/downloads. After booting into NOOBS I installed Raspbian. But after ...
2
votes
1answer
1k views

Multiple Raspberry PI web servers with fail over?

What I have: 5 Raspberry PI running the same software software stack each one has a priority (lower number is higher priority) index and monitors the other 4 via udp One lan all 5 pis ping the rest ...
3
votes
2answers
1k views

OMXplayer pexpect loop screen blacks out

I Run omxplayer in a loop with pexpect via python. After a period of time, the screen blacks out and the pi is unresponsive to keyboard input. I have hostapd running and it responds by sending me back ...
3
votes
2answers
17k views

Can RPi be used to stream internet TV shows from web pages?

Since turning off my cable TV, i would like to view some of my TV shows from the various network websites. Can i use RPi to do this, so i don't have to invest in a larger PC or laptop for this minimal ...
1
vote
2answers
2k views

Effect on ping response when using Raspberry Pi as firewall (lag, jitter)

I've been looking for some good information about using the Raspberry Pi as a simple home firewall / router / DHCP server, to separate my home network from the supplied ISP router. I've seen this ...
2
votes
2answers
3k views

controlling two motors with an L293D

Update: Can I possibly use the TLC5940 to control two motors? So there is a lot of talk about controlling two motors. My plan is two build a RPi robot and at minimum I need to have it control ...
11
votes
2answers
24k views

NOOBS recovery password

I have installed a new kernel, but for some reason, it won't boot. I generated the kernel.img with imagetool-uncompressed.py, but now my Raspberry Pi fails to boot. I have made a backup of the old ...
1
vote
3answers
935 views

Wayland/Weston freezes

I have freshly installed last Raspbian and updated it. When computer boots up to console, I log in and start command weston-launch. The output of command is something about initializing Raspberry Pi's ...
0
votes
2answers
3k views

Relay working at 3.3V for RPi?

I need to use my RPi to control a relay which switches on/off an electrical circuit. I got a relay board but it seems that works only when used at 5V. I'm a noob so please go a bit easy on me.:P ...
0
votes
1answer
367 views

Seeeduino TFT and RPi?

I have a spare 2.8" TFT Touchscreen from Seeeduino and I've been thinking about attaching a screen onto a RPi. However, I am not very familiar with hardware/electronics. My screen uses 8 data lines +...
4
votes
2answers
13k views

Use the Raspberry Pi as a Git server [closed]

How do I settup Git as a Git server like GitHub, so I can create private repositories, etc.? I have installed LAMP. It's up and running smoothly and also Git with GITWEB works perfect. The only thing ...
3
votes
3answers
22k views

Will Terminating an SSH Connection Also Terminate any Program running?

I am using my RPi to measure the temperature of my fermenting homebrew and store it in a MySQL database via a python program. Two days ago, I SSH'd into the RPi from my labtop and executed the python ...

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