Raspbian is a Linux operating system designed for the Raspberry Pi and based on Debian for ARM processors. A stable release version has recently become available, and the Raspberry Pi Foundation are now recommending Raspbian (over Debian) as the standard distribution for the Raspberry Pi.

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PyAudio recording/capturing and stop/terminate in Python on Raspi [migrated]

I am not an expert of Python, trying to capture/record the Audio by USB audio device. It is working fine on command terminal. But I want to make a program which just recording audio and stop when I ...
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IOError: [Errno Input overflowed] -9981 [migrated]

I am trying to execute a PyAudio python capturing program on Rasbian in my RaspberryPi model B board, but getting error: Traceback (most recent call last): File "/home/pi/pythonsound/record.py", ...
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24 views

C++ program to drive stepper motor in raspberry Pi

can I get C++ program to drive stepper motor in raspberry Pi using RaspiRobotBoard V2
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6 views

Add recoding duration with pyaudio in Python [migrated]

I am writing a program in Python, to create and record audio file by using pyaudio. Audio file creation is done successfully but in recording, i am facing trouble because it is capturing nothing. ...
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1answer
26 views

ImportError No module named utils

I am trying to run a program in python on RaspberryPi from stackexchange but getting an error ImportError: No module named utils Can you please help me resolve this issue? import pyaudio, wave, ...
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21 views

Flashing raspbian-netinst image results in “Superblock last mount time is in the future.”

After building a minimal Raspbian installation with raspbian-ua-netinst, making an image off of it and flashing it on another SD card a few days later I get an Superblock last mount time is in the ...
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43 views

Trying to use Pi as a bridge between 3G dongle and Ethernet

I don't have a lot of experience with Linux, but I was hoping I'd be able to use my Raspberry Pi to share a 4G dongle's internet connection with my main router. Unfortunately I haven't quite managed ...
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14 views

High Resolution cycle counter for Raspberry Pi

I recently got a Raspberry pi Model B+. I intend on benchmarking the board, and hence was trying to find a solution which is similar to "rtdsc". According to the following article, i can access the ...
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1answer
40 views

kodi (xbmc) on raspbian can't activate keyboard or mouse

I have a b+, and raspbian is installed. The reason I am using raspbian rather than Raspbmc, OpenELEC, or XBian is that I want to use this b+ to do other things (GPIO related and so on) as well as to ...
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1answer
52 views

Keyboard and Wi-Fi dongle don't work after updating kernel

I have installed Raspbian on my Paspberry Pi and was experimenting with developing for it. I have followed this tutorial and cloned the kernel on an Ubuntu VM to cross compile it with raspberry tools. ...
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17 views

whats an alternative to raspbery pi gb lan for iperf testing over a network using 2 devices [on hold]

We currently use the raspberry pi model b for testing over wireless links but are limited to the lan card. What would be a good alternative that has gb lan ports for testing using iperf.
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17 views

Raspberry Pi remote connection using Xming and putty

I am trying to get started with raspberry pi, model B. As a way to avoid having to buy a monitor and hdmi cable and keyboard and mouse (no, I do not already have a tv, monitor, hdmi cable, usb keyboad ...
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1answer
30 views

Pi running a midori fullscreen dashboard and wifi check cronjob keeps running out of memory

I have a Model B Raspberry Pi running the latest version of Raspbian, with all the packages up-to-date. It's fitted with a 32G SD card and its only purpose is to display a dashboard with some metrics. ...
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1answer
81 views

Has Anybody Built A Raspberry Pi Inside A Mouse Yet?

I was wondering if anybody has thought of putting a Raspberry Pi inside a mouse yet? i.e. wireless display and keyboard and the raspberry pi case is the mouse. Just thought it would be a cool ...
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0answers
32 views

Reset Pi Noir Camera

I have developed a system (Raspbian / Python) with detects someone's presence through a PIR sensor and records a 15' video with a Pi NoIR camera. This is command I call to record the video: ...
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35 views

Why I cannot read the temperature/humidity sensor sht20?

I use a temperature and humidity sensor sht20. According to this link: http://www.sensirion.com/en/products/humidity-temperature/humidity-temperature-sensor-sht2x/ It is compatible with sht21, which ...
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19 views

Video streaming(both audio+video) from PI usb camera to android(like mjpeg player) [closed]

Is there any way to stream live video+audio from Raspberry pi to android video view such that the user at android is like making a mono side video call to PI
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10 views

Connecting via TightVNC through other network [closed]

I've run my RPi for a long while headless and only as a server (i.e. no X server) but recently I got the need for a desktop as well. I will still run it headless but I want to be able to get into X ...
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32 views

Npm Install failes von raspbian

After installing node.js on a playground raspberry pi, i'm able to run node.js scripts. Now i had a folder which a packages.config which contains a dependency to express.js when running npm ...
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2answers
179 views

Node.Js on raspbian not found with Sudo

I installed node.js according to this article . For this i downloaded a precompiled node.js arm-pi distributition and unzipped it cd /opt sudo wget ...
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0answers
21 views

How Do I Run PiFMPlay At Boot? [closed]

I have PiFMPlay installed on my Raspberry Pi at the path /home/pi/pifmplay How can I make PiFMPlay run when the raspberry pi boots up and give it a parameter of where the music is stored on the SD ...
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49 views

Why my Raspberry Pi cannot find Si7021 (temperature and humidity sensor)?

I use this temperature and humidity sensor: Si7021, like below link http://www.dfrobot.com/wiki/index.php/SI7021_Temperature_and_humidity_sensor_SKU:TOY0054 I can get the sensor data by Arduino ...
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33 views

Why does ssh return “no route to host” unless tshark is running?

My Raspberry Pi is connected to a laptop with an Ethernet lead. Xubuntu 14.04 is running on the laptop, and the wired connection is shared to other devices. SSH server is running on the raspberry pi ...
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25 views

Web based IR/RF device control over long range

I am trying to implement a Building Automation System where I would like to implement web-based or mobile based control of all ir/rf based devices like tv,a/c,sound system, etc. The PI will be placed ...
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1answer
55 views

ssh stopped working randomly

Ok so I've decided to make some use of my raspberry pi and make it into an ssh server that will compile cpp for me from my phone, it was awesome, until I changed the overclock back to normal seeing an ...
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2answers
79 views

Connecting Raspberry Pi (running Raspbian) to open WiFi using only the command line

How do I connect my Raspberry Pi running Raspbian to an open wireless network using a USB wireless network adapter using the command line only? The name of my wireless network is called "WildRouter," ...
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0answers
50 views

Kernel not updating on Raspbian under QEMU

I'm trying to update my kernel to the latest version. apt is updated and upgraded, and rpi-update finishes without error. However when I reboot, I'm still running the old kernel. Any ideas? $ uname ...
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2answers
37 views

How to install emacs24.4 on a Raspberry Pi Model B+?

I want the latest version of emacs to run on my raspberry pi.The raspberry pi runs raspbian and it seems that the repository only has version 23.4.1 which I can not use for it breaks the packages I ...
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32 views

My external USB HDD doesnt spin down

I have a raspberry pi running with raspbmc. There is connected a WD Elements ( /dev/sda1 ). Unfortunately the disk doesn't spin down. It looks like hdparm is not working. The following I have tried: ...
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19 views

relaunching Pure data if hung [duplicate]

I was wondering if anyone could help me, I've been making little interactive sound devices using pure data on the rpi which are set up for a number of hours in the day. The problem I'm having is (for ...
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2answers
65 views

Wifi troubles on RPi A+

So I just got the A+ and had a wifi dongle laying around here. It's the official wifi dongle from ThePiHut. I tried editing my /etc/network/interfaces and /etc/wpa_supplicant/wpa_supplicant.conf as ...
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1answer
37 views

use initrd to fastest boot time

i want boot my raspberry pi very fast (about 5sec) ... i search in internet and read very solution that but none of them can Convince me ... in official raspberry pi forum a moderator refer to ...
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2answers
46 views

Can I get better performance on Raspbian if I blacklist a lot of kernel modules in raspi-blacklist.conf?

I have a Raspberry Pi that is being used only for displaying a single webpage. I have the memory split set at 64M for the GPU. The display does not require sound, web-video, usb-devices, user-input. ...
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1answer
49 views

E: Sub-process /usr/bin/dpkg returned an error code (1)

Recently, I tried to install some software for raspbian. But after I type sudo apt-get install upgrade, I got this: debconf: Perl may be unconfigured (Can't locate strict.pm in @INC (@INC contains: ...
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2answers
97 views

Possible to reinstall X server and use graphical after having removed it?

I've used my raspberry pi for about 2 years now and in the beginning I removed the X server as I thought I'd never use it. (I followed the tips here to remove How to uninstall X Server and Desktop ...
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1answer
65 views

Raspberry Pi vs BeagleBone torrentbox

I'm planning to make an always on torrentbox, I get my internet from a 4g usb dongle modem, but I've very limited experience with such boards. From what I read on the internet, it seems BeagleBone is ...
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1answer
36 views

How to use Jack (or similar software) to route music played in the Pi as audio input (like a microphone)?

I'm trying to make a small music reactive light project with the RPi. I'd like to play music (using whichever software in Raspbian), and to interpret that music as audio input to process while still ...
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1answer
27 views

Permission denied, logged in with root user [closed]

I used root user to change a something in my directory and I typed in sudo -i followed by /etc/hostname and it says -bash: /etc/hostname: Permission denied
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2answers
55 views

Best way to create a web frontend for Python-based automation project

I have a pretty big Raspberry Pi project for controlling a Paludarium (see http://www.paluweb.nl ). The entire automation is done in Python, and the Python scripts talk via the serial port to +- 12 ...
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2answers
47 views

Wifi stops working just after unplugging rj45 cable

I connect to the same network via two interfaces- wifi USB dongle(wlan0) and a standard rj45 cable(eth0). Everything works fine prior to disconnecting the cable; after this, the wifi goes down too and ...
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10 views

40Mhz pulse counting and storing count value [duplicate]

I am new to Raspberry pi. I need to count 40 Mhz continuous pulse for every 100 microseconds and store the count in micro SD card before next cycle starts. The process should run for 24 hours. I am ...
1
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1answer
42 views

Access denied when starting systemd service

Noob question, but hopefully someone can help me out here. I'm transitioning from init.d to systemd on my RPi running Linux, as I'm told it would cut my boot time in half. My init script requires ...
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1answer
95 views

GPIO pins on Raspberry Pi B+ not responding

I've just gotten my Raspberry Pi B+ yesterday and wanted to get into simple scripting with the GPIOs after installing a Raspbian(minimal net install with raspbian-ua-netinst since the SD card was too ...
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2answers
53 views

Pi B+ as a 24v motor controller, code written in C#(Mono). Power concerns

Background Information My college has entered an annual racing competition called Greenpower, and it's been agreed to use a Raspberry Pi as the car motor controller. Since I am the only knowledgeable ...
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33 views

Running two camera at the same time (Pi Camera & USB camera)

I would like for my project to have one camera (PiCamera) Streaming video. And another USB Camera (PS3 Camera) taking pictures when I execute this function: def grabPicture(self): grab_cam = ...
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1answer
32 views

Using ASUS USB-AC53 Dual-Band Adapter with raspberry pi

I have a asus ac53 dual-band adapter. I was originally using it with a windows laptop but I am curious if I can use it with my raspberry pi set up with open elec. I know the cd that came with it is ...
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0answers
23 views

raspbian bluetooth mouse pointer not moving

I followed the guide at: A Step By Step Guide To Setup A Bluetooth Keyboard And Mouse On The Raspberry PI I am able to use the bluetooth keyboard. But the mouse pointer doesn't move when I start the ...
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2answers
34 views

wireless was working but now the adapter isn't even recognised

as the title says I had my pi working but can't even get it to recognise the adapter now (same adapter). I originally set it up with the GUI, but since it no longer had the adapter in the list I ...
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2answers
29 views

wlan repeater ip-address difficulties

I'm trying to setup my pi as wlan repeater for my existing wlan. I'm using two usb wlan dongles to succeed. $ lsusb Bus 001 Device 006: ID 0cf3:1002 Atheros Communications, Inc. TP-Link TL-WN821N ...
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21 views

BTSync WUI not working on Raspberry - blank page

I installed btsync using this procedure: https://melgrubb.wordpress.com/2014/08/03/raspberry-pi-home-server-part-14-bittorrent-sync/. BTsync was working fine until some weeks ago. Now btsync is still ...