Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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1500 questions
36
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5 answers

How can I connect my Pi directly to my PC and share the internet connection?

What I want to do is to connect through SSH and HTTP to my Raspberry Pi without having to connect it to the router. I use the Adafruit's Web IDE to create and run my programs, and I'd like to access the web page with my Pi only connected to the PC…
Marc
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4 answers

What cameras can I connect to the CSI connector?

The model B comes with a MIPI Camera Serial Interface connector, but it's hard to find a store that'll sell you a chip or camera to interface with it. The only thing I've found so far is the the product brief for a HDMI-CSI converter by Toshiba, but…
je4d
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3 answers

How do I see which ARM CPU version I have?

When compiling a package for the Pi I came across a message like this: CFLAGS += -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp #-mcpu=cortex-a8 and CFLAGS += -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard I know the difference…
kun
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35
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1 answer

"Resource busy" error when using `dd` to copy disk img to SD card

I've downloaded Raspbian wheezy from the Raspberry Pi downloads page and following the RPi Easy SD Card Setup wiki page. I formatted the SD card, and cded into the folder containing the Raspbian img file, but when I run sudo dd…
3cheesewheel
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35
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3 answers

Disable LAN9512

The LAN9512 is the hardware device which controls Ethernet and USB ports. This chip consumes almost 200mA, and it will be very useful to disable it to save energy when I don't need USB or Ethernet. The LAN9512 datasheet explains some states of the…
aleixrocks
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35
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2 answers

Raspberry Pi Zero W is ARMv6 or ARMv7?

I would like update Node.js to the latest version and I need to choose between ARMv6 and ARMv7. From the package manager point of view this is an ARMv6 processor and dmesg tells it is CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7)…
jeanmi
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35
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8 answers

I failed to remote connect to Raspberry Pi 3 from Ubuntu

I just bought raspberry pi 3 with Rapbian Jessi with Pixel and I have a Lenovo laptop with Ubuntu 14.04 64 bit on it. I want to remote connect to it from my laptop. I enabled the VNC server on Raspberry Pi and I tried to connect to it from either…
aibrahim
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35
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10 answers

Can you run pfsense on a Raspberry Pi 3?

Is it possible to run pfsense on a Raspberry PI 3? They have an embedded version that runs Nano BSD.
leeand00
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35
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3 answers

Sharing the Pi's WiFi connection through the Ethernet port

I have a pi running the latest release of raspbian and it's connected to the Internet using a wireless USB dongle. What I would like to do, is to share the pi's wifi connection so that any computer connected to the pi using a LAN cable would be able…
user47488
35
votes
3 answers

How to install unrar-nonfree?

I installed unrar-free, but I cannot extract a multi-file .rar archive (my_archive.part01.rar, my_archive.part02.rar, etc.): $ ls my_archive.part01.rar my_archive.part02.rar my_archive.part03.rar $ unrar -x my_archive.part01.rar unrar 0.0.1 …
Morgan Courbet
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35
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1 answer

What do the LEDs on the B+ mean?

Not a duplicate of this RPi.SE question, as I'll explain in a moment. GPIO.RPI_REVISION returns 3. As far as I can tell, looking at my B+, there are no LEDs labeled: OK, FDX, LNK or 10M. There are two embedded in the Ethernet port, and two on the…
PythonNut
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34
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3 answers

Running Headless - checking boot screen messages

It's fairly easy now to run headless from scratch with a Raspberry Pi. One area that might have an issue though is debugging issues with devices that have been added to the Raspberry Pi. Often you get indication of these problems in the messages…
Jon Egerton
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34
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6 answers

Powering a PI from 12V

I'm thinking of installing my Pi down at my wife's stables which have a 40W solar charged 12V DC lighting circuit. Since the Pi runs at 5V I'm thinking that a quick and easy way to step down the voltage safely would be to use a microUSB mobile phone…
DaveG
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34
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4 answers

How do I load a module at boot time?

As stated in Why is my Audio (Sound) Output not working?, to initialise the sound driver, you must run sudo modprobe snd_bcm2835 every time you want to output sound. How do I get this to run on boot? (i.e. before logging in and without any input)
Alex Chamberlain
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3 answers

Hooking up a Kinect?

There is a driver project established to run Kinect on Linux. See here: https://github.com/OpenKinect/libfreenect Will this work with an RPi? What are the constraints/obstacles likely to be? I'm thinking this would be a real help for an ambitious…
Jon Egerton
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