0
votes
0answers
5 views

Install LAMP from usb drive [duplicate]

I'm having raspberry pi b+ model running raspbian wheezy.I don't have internet connectivity to raspberry pi.I would like to make raspberry pi as local server.So How do I install LAMP into raspberry ...
2
votes
1answer
23 views

Could a Raspberry PI 2 with a RTOS read about 18 MBytes/s of data by GPIO?

Do you think a Raspberry Pi 2 with a RTOS be able to perform a VGA input with ADC used on GPIO ? Well, I didn't found many documentation saying if GPIOs of the Raspberry Pi 2 are faster than the ...
-1
votes
1answer
18 views

What happens if I try to read an analog pin's value?

I know there is a simple circuit you can make to be able to read an analog pin but what if I don't know if my device's pin is giving me analog or digital? If I try to read from that pin anyway am I ...
1
vote
1answer
25 views

Raspberry images while booting

When my B+ boots up it has one raspberry on the top left of the screen. When my Raspberry 2 B boots up it has 3 raspberries. What do these raspberries mean?
1
vote
0answers
10 views

Symbol Error - invalid argument - after Cross-Compiling Custom Rasbian Kernel and Modules

Today I wrote a Bash script to automate the steps shown in the link below with the goal of cross compiling my own Kernel and enable some modules not in the standard Raspbian Distribution from my ...
1
vote
1answer
35 views

Developing for the Raspberry Pi

How do you develop for the Raspberry Pi. I'd rather use my own laptop but this speed comparison leads me to believe most developers get one or twe RPi and just develop directly on the device: How does ...
2
votes
2answers
24 views

Raspberry pi Frozen

Hi my Raspberry pi has frozen and I am not sure what is the safest way to restart/shut down without doing any damage.
0
votes
1answer
23 views

Periodic Polling - Minimum Resources During Sleep

I am looking for a Pi 2 B to run 3 separate python background tasks simultaneously/constantly: Respond to pin inputs, respond to UDP requests and send UDP data back and poll a set of temperature ...
0
votes
0answers
11 views

Emulate the Raspberry Pi on OS X 10.10 Yosemite (Xcode 6.1.1 with Command Line Tools) [duplicate]

I'm keen to Emulate the Raspberry Pi on OS X 10.10 Yosemite (not Linux) (Xcode 6.1.1 with Command Line Tools) Can anyone point the way to Emulating a Raspberry Pi under OS X? Using Homebrew or ...
0
votes
1answer
28 views

dd for image backup

My SD card corrupted itself but I have a back up image. The partition table leave 1GB unallocated space at the end so that I can restore to any 8GB memory card regardless of memory fluctuations. ...
0
votes
0answers
30 views

How to Create a NAS with Raspberry? [on hold]

I try to build my Raspberry Pi (B+ Raspbian) into a NAS and this is what I have already done. I followed step-by-step this tutorial. I first encountered isssues with access to the distant drive solved ...
0
votes
0answers
15 views

Raspberry Pi USB Soundcard - Outputting from multiple programs

On the raspberry pi, using the internal sound card by default you can output audio from multiple programs simultaneously and it mixes them together. Since switching to a USB soundcard (merely by ...
1
vote
0answers
15 views

Raspberry Pi with ESC and PS3 Controller

I am new to coding and I am trying to control ESCs through a PS3 controller which will be coded on the Raspberry Pi B+. I think this can be done, but i have read in a lot of places that I need to use ...
0
votes
1answer
20 views

Raspberry Pi to sync lights to audio input from PC

So I'm wondering if it's possible to make the Raspberry Pi sync lights to sound coming from my PC. I would use an usb soundcard for a sound input and a usual audio cable. Right now I'm running ...
1
vote
1answer
33 views

RPi HDMI to RCA

I live in India and intend to buy a Raspberry Pi 2 Model B sometime soon but do not have a display with a HDMI input. So I'm stuck with RCA (3pin Yellow/White/Red) and S-video (No VGA). I also cannot ...
0
votes
1answer
13 views

Take snap from Raspberry pi using motion

I need to take a snap of current image using motion. Since motion is running as a daemon I cannot take snap using fswebcam as it shows Device or Resource is busy. So i need a command or ...
1
vote
0answers
25 views

eth0 not coming up after usb disconnect

Setup: Raspberry Pi, type B, running with Arch Linux 3.18.5-3-ARCH #1 PREEMT, connected to a local ethernet switch by the standard ethernet port, no wifi set up or used. A static configuration ...
0
votes
0answers
16 views

gpio get value of pin

I'm trying to get the value of a single pin from an rc receiver (receiver info at bottom). What's the correct way to read the value coming in? Here's my existing code: import RPi.GPIO as GPIO ...
0
votes
1answer
24 views

Does SPI port work on Raspberry B+

I've been trying talk to a MCP3008 ADC from the Raspbeery Pi B+. There are loads of examples of this working out there but I don't seem to be able to configure the port. I've followed the various ...
2
votes
1answer
34 views

How much performance do I lose, when running the desktop (but not using it)?

Using raspi-config you can decide whether the pi should boot into a desktop environment or not. I only use my pi over ssh so if the desktop is there or not does not matter to me at all. My question ...
1
vote
2answers
46 views

Safest way to switch off uncleanly [duplicate]

Assuming that I do not have keyboard or ssh access to my Pi, but I do have physical access. What is the safest way to power it off and preserve the SD card? (This is the case if I've just done a ...
1
vote
0answers
23 views

UART serial output pin held high, can't read usable information

I'm working on a home automation project where my Pi will be interfacing several picaxe chips using an UART serial connection. Even though I've installed Minicom on the Raspberry Pi and disabled the ...
1
vote
0answers
17 views

Retrieve RTC time from DVB-C

I'm using my Pi as a media center and video recorder from cable. I will now for some time have to use the Pi without internet and therefore without timeservers. But as far as I know the DVB-C signal ...
1
vote
1answer
20 views

Dynamic DNS Cron Job (duckdns.org) root or user?

I have an account with duckdns.org and on the PI 2 I would like to know if I should install and run the cron job as a user or as root.
1
vote
0answers
14 views

PiTFT - See Previous Image Behind Next Image

I purchased a PiTFT from AdaFruit. I'm drawing directly to the screen by memory mapping /dev/fb1 and that is working. The problem happens when I update the screen with the color white. I can see ...
3
votes
2answers
227 views

Raspberry Pi starting programs automatically on startup

I've built a wireless sensor network consisting of two Raspberry Pi's (runnnig Raspbian) with sensors on and a base station Raspberry Pi that collects the data. Each time I want to run the system I ...
0
votes
0answers
18 views

Rasclock does not store the time

I just received my Rasclock V4, and set it up according to Afterthought's instructions. Seeing as I'm doing this on a RPi B+, with the latest raspbian image downloaded from raspberrypi.org just ...
1
vote
1answer
39 views

Install NZBGet on Raspberry Pi 2 on OSMC

I have recently installed OSMC Alpha 4 on my Raspberry Pi 2. I have ssh'd into it and am wondering how to install NZBGet. The tutorials I have found are for RPi 1 and are a few months old. Is the ...
0
votes
0answers
7 views

Routing ALL traffic through VPS [on hold]

I recently acquired a Raspberry Pi and I'm setting it up for various things. I have a local router that the Pi is wired into along with my desktop computer. I want to be able to access the Pi from ...
0
votes
1answer
17 views

Python, C, I2C, calling binary with arguments, and printing output

I have a C binary that takes 1 argument. I need to have Python run the binary, and return the output. Using subprocess.Popen (and check_output), the C binary fails when trying to write to the I2C ...
2
votes
3answers
33 views

Python and OpenSSL error on import

So I'm trying to add SSL to my web server running on my pi B+ (using cherrypy) I made sure that OpenSSL was installed with: sudo apt-get install openssl Then I installed pyOpenSSL with: sudo ...
0
votes
0answers
14 views

Boot stuck at [ ok ] Staring enhanced syslogd : rsyslogd

I'm using berryboot to boot my first gen pi on an external hard drive, and even though it is better than an SD-card I seemed to have cut the power too many times and corrupting some files. I don't ...
2
votes
0answers
16 views

Speech Synthesis issues ? Dalek / HAL

I have installed 'espeak' , 'Festival' and 'Flite' (the cut-down version of 'Festival' for ARM) ; and the former two seem to suffer from a very similar problem: they both start reading text files just ...
3
votes
1answer
36 views

Connect to Raspberry Pi from Windows phone through Bluetooth

Is it possible to connect a windows phone application created in C# (or any other language) to raspberry pi through Bluetooth? I know that C# has Bluetooth library, thus you can make Bluetooth ...
3
votes
1answer
52 views

Receive FM on Raspberry Pi

I want to feed the FM radio signals to raspberry pi. Having a basic understanding of electronics, I figured out that a FM receiver and an ADC is required. Now I need help on how to proceed with the ...
1
vote
1answer
29 views

Rasberry pi noobs sd card shows /dev/sdb6 with fdisk when there are only /dev/sdb and /dev/sdb1 exist?

I'm trying to edit some init scripts that have gone haywire on my raspberry pi Noobs SD card, and since it's easier, I'm trying to edit them on a MacPro 3,1 Ubuntu box I have. After I plug the ...
0
votes
0answers
9 views

Uploading video file from web application to Raspberry Pi [on hold]

I am very new to Raspberry Pi. Might be a silly question :(. But really looking for some info on the below. I have to upload a video from my web site (hosted on an apache server in a remote location) ...
1
vote
0answers
16 views

How to set the CEC name?

On a new Raspbian installation, the CEC name sent to the display is "raspberry" regardless of what the hostname is set to. How do I change the CEC name "raspberry" to something else?
1
vote
2answers
39 views

Raspberry Pi 2 - Model B - no boot with Raspbmc

I was trying my brand new Raspberry Pi 2 Model B. I've used the Raspbmc installer to "burn" the image on my micro sd. After I've connected the raspberry to the ac adapter and then to the TV, nothing ...
1
vote
0answers
18 views

Audio and microphone configuration of usb sound card on r-pi

To configure audio of soundcard I did the following settings: sudo nano /etc/modprobe.d/alsa-base.conf I commented options snd-usb-audio index=-2 and added options snd_bcm2835 index=1 so speaker ...
0
votes
1answer
25 views

MCP3008 alternative

I have some analog devices like LDR, temperature sensors, and other sensors and I want to use the readings of these sensors in my raspberry pi B+ , for that I need an ADC , to convert the analog ...
0
votes
1answer
20 views

Raspberry Pi kicks itself off of networks when joining a new network

$ uname -a Linux Adam-Pi 3.18.5+ #744 PREEMPT Fri Jan 30 18:19:07 GMT 2015 armv6l GNU/Linux I've discovered an interesting problem with my networking setup with my RasPi. I have it connected to ...
0
votes
1answer
17 views

TightVNC connection refused

I exactly followed these instructions on the official RPi site to install TightVNC on my Pi (model 2). The Pi has a static IP address and I can ping it and SSH in (obviously), so I know it's working. ...
0
votes
0answers
17 views

ImportError: No module named HT16K33

When I am importing a library (specifically Adafruit_LED_Backpack using Python3) I get the error ImportError: No module named HT16K33 How do I install that library? EDIT: when using Python 2.7, the ...
0
votes
1answer
14 views

Downloading Pictures From iPhone 6

I use gphoto2 to download pictures from my iPhone 5 to my Raspberry Pi. Since I upgraded to an iPhone 6 I only get an error telling me that it is "unsupported" device. Are there any alternatives? I've ...
0
votes
1answer
33 views

Raspberry Pi 2 ITX motherboard conversion

I am planning on building a new media center unit using a Raspberry Pi 2 however I have some specific requirements: Unit requires an RPi base-board like the fairywren Need to connect 3+ SATA devices ...
0
votes
0answers
52 views

Using Raspberry Pi with Arduino GSM/GPRS Shield

Raspberry Pi Model B GEEETECH Arduino GPRS Shield V1.0 (bought from: bit.ly/1G0KYR7) ^ Similar somewhat to: Seeed's GPRS Shield V1.0 | Link: seeedstudio.com/wiki/GPRS_Shield_V1.0 (has more ...
0
votes
0answers
14 views

Boot up Raspberry Pi B+ with a laptop running Windows 7 [duplicate]

Could someone please find me a step-by-step list of instructions to boot up my RasPi B+ using my Win7 laptop. I do not have an external display or keyboard available. I have a NOOBS SD card, but I'm ...
0
votes
0answers
46 views

can't install npm onoff on raspberrypi

I'm trying to install npm's package onOff on my pi. I'm running this command: sudo npm install --unsafe-perm --verbose -g onoff And all I get is an error and rollback. do you know why? gyp verb ...
0
votes
0answers
9 views

GNOME Classic and Flashback fail because of missing 3D support

I've changed /etc/apt/sources.list to get PHP 5.5+: - deb http://mirrordirector.raspbian.org/raspbian/ wheezy main contrib non-free rpi + deb http://mirrordirector.raspbian.org/raspbian/ jessie main ...

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