All Questions

0
votes
0answers
8 views

GUI for Pi - Python or Java

I would like to know whether a Java based (using Pi4j library and Swing) or Python based GUI (using Tkinter) is more suitable for Pi in terms of execution speed. Following things need to be ...
0
votes
0answers
4 views

How to add os manually to berryboot

How to add os manually to berryboot ? I download some OS from http://www.raspberrypi.org/downloads/ on windows computer and I want add to SD card for run multiple OS using one SD card. How to do that ...
1
vote
2answers
23 views

Raspberry pi B+ first boot

I got Raspberry pi B+ and I tried to boot by using NOOBS v1.3.10 and RASPBIAN Debian Wheezy Version:September 2014. Then I got two different problems. These are my component information, ...
0
votes
1answer
23 views

Can't make change to “route” stick

I have this exact problem: "connect: Network is unreachable" on a working wlan0 (connected) interface So, I'm able to use the LAN but i can't reach the Internet. And the solution in the ...
0
votes
0answers
10 views

Network Unreachable

Pi has been working for a solid week, I installed adafruit web IDE yesterday and programmed fine with it for 10 hours. Went to bed and in the morning NOTHING is working (I left the Pi on over night). ...
0
votes
1answer
14 views

How can I detect if specific USB port is being used, and then command an action?

I'm very new to Raspberry Pi/Linux/Python world and I'm trying to identify one of the ports on my RPi, so if someone for example, connects a USB Flash drive (or anything) to that specific port an ...
0
votes
0answers
10 views

Running a script from a webpage hosted on the Pi

I've been working on a project with the pi, and right now I need to run a python script (if it is necessary, I can translate the script to bash...) that is in the raspberry, how can I do that using a ...
1
vote
0answers
23 views

How to get microcontroller connected to WiFi - no keyboard, screen, or native app

Assuming a user has a RPi-based device with a WiFi adaptor, Ethernet port, and Bluetooth dongle, what is the easiest way to configure their SSID & Password to get them connected to WiFi without: ...
1
vote
1answer
9 views

How can I refresh image displayed by fbi without black screen transition?

I'm using framebuffer image viewer fbi to display an image on a TV. Everything works fine for one image, if I don't refresh it. But when I need to refresh it, there is ~2 seconds of black screen (I ...
0
votes
1answer
18 views

Old tablet display with raspberry pi

I have an old resistive tablet lying around the house which has stopped working. I opened it up to remove the screen which is connected to the cpu by a plastic band that has many conducting pins. Is ...
0
votes
0answers
7 views

RPi with openELEC - hebrew subtitles are seen as jibberish

got openELEC 4.2.1 on my RPi b+ to serve as an HTPC. when I tried to use xbmc's subtitles downloader, it finds the correct subtitles file for the video, but hebrew subtitles are not being encoded ...
0
votes
0answers
15 views

Fake bcm2835 library

I'm developing something in C++ that needs to use SPI communication, The fastest way I've seen is using the bcm2835 library for RaspberryPi. I'm doing all the developing process on my pc and cross ...
0
votes
0answers
14 views

How can I schedule a task to power down USB HDD and USB Wifi?

I have a RaspberryPi B+ which I connected to an USB HDD and a USB Wifi adapter. Both works great. Also, I have running a webserver and a seafile server. Now, I want to set up a task (scheduled at ...
2
votes
1answer
18 views

Turning on Camera with code

I found the following code (on http://blog.oscarliang.net/raspberry-pi-face-recognition-opencv/) import cv cv.NamedWindow("w1", cv.CV_WINDOW_AUTOSIZE) camera_index = 0 capture = ...
0
votes
1answer
28 views

Raspberry PI B+ color screen and noobs

I am new user for Raspberry pi so I get Rasberry pi B+ and I download NOOBS on Rasbarry pi website. After that unzip that file and copy these files to SD card. Then when I power up, display the color ...
0
votes
1answer
24 views

Fail to print using python-cups: “client-error-document-access-error”

I am trying to Print to USB HP printer through python. I was successfull in printing a text file using Ctrl-P command through gui after setting up CUPS using the WEB method. Now I am trying to print ...
1
vote
2answers
15 views

change keyboard layout in console

I want to change the keyboard to us in the console. I am able to change the layout in the startx environment via sudo dpkg-reconfigure keyboard-configuration but it doesn't change in the console. ...
0
votes
1answer
17 views

Recovering a borked /boot partition

After a apt-get update/apt-get upgrade ended with errors, my system became unusable. I was able to determine that the /boot partition was missing several files (useful ones, like kernel.img...) I ...
0
votes
1answer
15 views

Best way to stream video over internet with RPi?

I'm wondering what is the best way that I can stream video from the camera module over the internet. By "best" I mean lowest latency (can't suffer a second delay for example, this is a real-time ...
1
vote
2answers
50 views

Wake up 'sleeping' wlan-connection

I observed, that after a while (some hours) my Pi isn't reachable over the wlan any more. If I do some excessive ping-ing (i.e. for 70-100 times) the Pi starts at some point to respond and I can ...
0
votes
0answers
15 views

Switching a RS-360SH motor on/off

I'd like to know what electronic components I need in order to switch on/off a RS-360SH motor via a GPIO pin. I know the circuit needs to look something like this with a diode across the motor to ...
0
votes
0answers
15 views

PJSIP cross compilation linker error unresolvable relocation

I'm trying to write a very small, very simple project using PJSIP. But I'm already stuck on the first step, incorporating PJSIP in my project. I'm trying to build and compile on a Ubuntu 14.04 system ...
1
vote
1answer
24 views

Web server autostart [on hold]

I have some project in php ( including sql ). What server should I use for it? When the pi will started It need to autostart server and open browser in fullscreen without url bar and other tools, only ...
0
votes
1answer
11 views

'var gpio' INVALID SYNTAX in IDLE3, Raspberry Pi

I'm new to Python and Raspberry Pi. I'm trying to drive a stepper motor with the Rpi from this website: http://www.sundh.com/blog/2014/02/control-stepper-motors-with-raspberry-pi-and-node-js/ I find ...
0
votes
0answers
31 views

Facial Recognition on Raspberry Pi using GoPro

I was wondering if someone can tell me how to process a live video feed on the Pi (B) using a GoPro camera? I understand that there may be processing constraints. Then, I would like to do image ...
0
votes
0answers
17 views

Get connected(paired) device on bluetooth

Is there anyway in command lines or even python to get the Paired device at the exact moment? I've googled some of them but got nothing... I know there are commands to list all active devices nearby, ...
1
vote
1answer
41 views

One wire temperature sensor DS18B20 sudden precission drop

I wired 10 DS18B20 to the raspberry pi, in the normal powered mode. I am using the Raspbian's built in w1-gpio and w1-therm. I am able to read all the 10 sensor values. Problem is, after (seemingly ...
1
vote
0answers
35 views

Run Chromium (in Kiosk mode) Without Startx Loading the Desktop

I've tried to follow the answer from this topic but didn't work: Run a GUI without the desktop I have startx running automatically when my raspberry boots thanks to raspi-config, but now I need one ...
0
votes
0answers
19 views

Using motionPie: I'm stuck trying to install a camera driver

I'm trying to set up a raspberry pi for these tasks: streaming video over a network listening to commands (I'm not yet sure how to do that) over network parse commands and control a slave connected ...
0
votes
0answers
28 views

How do I run Piscope

I installed pigpio and ran with sudo pigpiod -p 8877 I have exported PIGPIO_PORT=8877 Following the discussion on How to install stripped version of GTK (without *dbg files)? I downloaded and ...
5
votes
0answers
30 views

Multiple Wifi Networks: Connect to Strongest Signal

Following the instructions here, I was able to setup my pi to connect to two different wifis. The two wifis are in the same place and I would like the pi to connect to the one with the strongest ...
0
votes
0answers
17 views

I want to use Pi and jasper for voice recognition and change the voice jasper uses

I want to use the voice recognition and change the voice jasper uses. I would like to provide the audio files that jasper would respond with. I sort of set something like this up in windows voice ...
3
votes
2answers
55 views

Develop Raspberry Pi setup on the PC and then flash the SD card?

Is it possible to setup the Raspberry on the PC using somekind of emulator and then flash the result to an SD card? So develop the code, test it and then create the SD card for the Pi and plug it ...
1
vote
1answer
42 views

Starting raspberry pi from button

I want to have a raspberry pi inside a hollowed out book with a contact switch that detects the book cover lifting, which will then send a signal to the pi to turn itself on/wake from a low power ...
1
vote
0answers
32 views

Installing MySQL server in latest (NOOBS) raspbian

Here I was, following this tutorial (http://www.penguintutor.com/linux/raspberrypi-webserver) because I want to host a pretty simple php site in my raspi. But once again, as it usually happens in ...
0
votes
0answers
17 views

Can't SSH to Pi through Access Point's switch

I'm attempting to create a headless system with a Rev-B Pi and a Tenda W311R wireless AP with a built-in 4-ports switch. I connected my PC, the Pi and the Tenda's switch with ethernet cable (which the ...
0
votes
0answers
20 views

Install Arch Linux form osx

I have recently downloaded archlinux, but as embarrassing as it is i simply dont think i am installing it correctly, because when i do my version of the install and hook it up to the raspberry pi, the ...
0
votes
1answer
26 views

Unable to install packages after updating Raspberry pi

I recently updated rpi firmware to 3.12.30+ by running sudo rpi-update However after this update, i am unable to install new packages on my pi. On trying to install ristretto, links2, pqiv, fim ...
0
votes
0answers
26 views

Electric Strike Door Lock Connection [on hold]

This is a bit unrelated to the raspberry pi, but I am making an electric strike controller using the raspberry pi. I ordered an electric strike from kawamall, and when I received it there was no ...
0
votes
0answers
24 views

Unable to share attached hard drive with samba

I've been looking at a number of different tutorials for sharing my attached external hard drive over my network, and can't seem to get any to work. Currently I have /home/pi accessible from my ...
1
vote
1answer
38 views

Why is GPIO 16 on at boot?

I have a RasPi B+ running Raspbian and have connected an LED to GPIO 16 (pin 36) and another LED to GPIO 12 (pin 32). It is my understanding that the GPIO ports are all off (low) by default and ...
0
votes
1answer
23 views

GPIO interference

I want to use the rPi as a thermostat so I wrote this code. What it basically does it reads the temp and sends it back to the client, some client will then issue a command ON or OFF and based on this ...
0
votes
0answers
10 views

Add folder to vsftpd without PAM

I'm creating a completely wireless home server solution using the Raspberry Pi and up to now everything has been really easy. But now I've encountered an issue. I have a folder ...
2
votes
0answers
24 views

PWM-based controlling an LED-strip using transistors, circuitry problems

I know there are some similar questions out there, but I'm really new to electronics and unfortunately they didn't provide me help. I want to control a tricolor LED strip (being able to dim each of ...
0
votes
0answers
23 views

Streaming Audio to Multiple Wireless Speakers

I would like to be able to stream audio from a raspberry pi to multiple wireless speakers in the same room (synchronized). I would also like to be able to control the raspberry pi with a computer or ...
0
votes
2answers
36 views

How to install stripped version of GTK (without *dbg files)?

I am installing PiScope: http://abyz.co.uk/rpi/pigpio/piscope.html there it is mentioned: "If you edit the list of packages to be downloaded and remove the *-dbg packages only 134MB of additional SD ...
0
votes
0answers
9 views

Controlling omxplayer with frontend-term

I use the omxplayer-console along with frontend-term. Together they offer a crude gui in a terminal window while I am SSHed into my Pi. This used to work well for me and offered a number of ...
0
votes
1answer
29 views

Raspberry Pi Surveilance Cam online

i've been browsing for days to find how to access live stream of my picam from internet (outside my local network). For stream within local network i already success access the cam from my browser. ...
0
votes
1answer
20 views

MicroSD correct partition to edit config file, problems in Windows

I'm very familiar with the UNIX command line (on Linux, Mac OS X, etc.) and have been messing with my pi here and there. Current project is to set it up so I can ssh from any computer into the world ...
1
vote
1answer
20 views

Kernel .config necessary options

I just upgraded from 3.13.6 to 3.17.1; when I upgrade I usually do not change anything, I just use the previous .config (from /proc/config.gz) and update it via make oldconfig (or make menuconfig, ...

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