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22 votes
6 answers
5k views

What happens if the power supply is 550 mA?

I read that the current should be at least 700 mA. I plugged a power supply with output current of 550 mA, and it seems to work fine. Can something happen to my Raspberry Pi? Does a wrong ...
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133 votes
5 answers
175k views

How to set up swap space?

Raspberry Pi has only 256 MB of RAM, so I would like to use swap space (either on SD card or attached USB storage). How do I set it up?
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22 votes
2 answers
2k views

Console unusable after running SDL app

When certain SDL-based programs (e.g. prboom, dosbox) are run from the console (not X) and terminate abruptly for some reason (e.g. killed or segfaults), the screen locks up; It just goes black, and ...
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  • 5,670
9 votes
2 answers
857 views

Visual/audio status/activity indicators

What, if any, indicators of system status or activity are available on the Pi? Audio - I'm talking about a beep when it's turned off, or a series of beeps indicating POST information, etc. Video - ...
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  • 493
45 votes
6 answers
11k views

Can I install Android?

Is there an Android port for the Raspberry Pi, and if so, where can I find out more about it?
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22 votes
5 answers
2k views

What type of television or monitor can I connect to?

What sort of input socket does my television or computer monitor need to have to be able to use it as a screen for my RP? Will old televisions work with some sort of converter?
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37 votes
7 answers
29k views

How can I run Java software?

What is the best way to run Java code on the RP? Does installing the OpenJDK from the Debian/Fedora repos work OK? Are there tweaks one should use for improved performance? Also, is there a "light ...
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62 votes
12 answers
405k views

Why is my audio (sound) output not working?

I can't get the audio running. I don't hear anything and can not play anything. Is there a solution to enable audio?
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  • 1,554
4 votes
0 answers
88 views

What do I need to consider when creating a case? [duplicate]

Possible Duplicate: Running in an airtight case. Does it need ventilation? Do I need to use fire-proof materials?
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108 votes
5 answers
29k views

Can I use the GPU for calculations?

Is it possible to use the GPU for calculations? (e.g. CUDA/OpenCL)
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  • 7,385
162 votes
16 answers
120k views

Prepare for ssh without a screen

I have a Raspberry Pi model B at home, but I do not have a screen. My plan is to connect it to the Ethernet and then ssh into it. But this means that the SD card with the operating system (Debian ...
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  • 2,315
35 votes
5 answers
9k views

IPv6 connectivity

Is IPv6 connectivity supported on the Raspberry Pi? If yes, is it enabled by default/how do I turn it on?
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51 votes
5 answers
99k views

What's the maximum SD card size that the Raspberry Pi will accept? Do larger cards give slower performance?

On my digital camera, I noticed a performance decrease when I used a larger card; will this happen with the Raspberry Pi too? What's the maximum sized SD card it can handle? I see there is ...
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79 votes
10 answers
35k views

What do I need to know to power from batteries?

What voltage range can it accept? What sort of batteries are appropriate?
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28 votes
9 answers
25k views

How can I control an RC servo?

I'd like to control a small RC servo (5 V, 500 mA) from the GPIO pins via Python. Hardware What are the required electrical connections? Can I connect multiple servos to the Raspberry Pi?...
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  • 7,385
36 votes
7 answers
4k views

Are there any non-Linux operating systems available?

Some variation of Linux is the de facto standard for Raspberry Pi. However, smaller, lesser known operating systems do exist and some would seem appropriate for such a small device. Are there any ...
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  • 1,835
40 votes
7 answers
11k views

What is the simplest way to setup and run XBMC?

How can I get XBMC on my Raspberry Pi? I'm not particularly interested in running a specific operating system. My primary desire is to run XBMC on a Raspberry Pi. According to this official post, ...
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  • 1,835
44 votes
6 answers
16k views

How can I determine if a given touchscreen is compatible?

I want to attach a touchscreen to my Raspberry Pi. While doing some internet search about this, I found out that this is not trivial, because not all touchscreens are compatible. How do I find out, ...
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  • 2,315
31 votes
9 answers
3k views

Libraries for interfacing with the GPIO

What libraries are available for interfacing with the GPIO?
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  • 3,660
28 votes
5 answers
2k views

Powering from a non-dedicated power source

While the quick start guide says not to power the device from a USB hub or from a computer, the only requirements for power listed are: Micro USB power supply – make sure you use a good quality one,...
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  • 3,660
45 votes
4 answers
15k views

Is there a Linux From Scratch (LFS) ARM equivalent

I'd like to demonstrate how it's possible to 'bootstrap' up from a near-bare installation of Linux to something useful and productive. The Tiny Core and LFS projects demonstrate this well. However ...
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  • 728
-1 votes
2 answers
161 views

Necessary setup for a full computer [closed]

The standard Raspberry Pi, $35 version, seems to come without any cables. Assuming standard plugs are available, what cables and devices will be needed to use the device in a mouse-click graphical ...
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  • 715
10 votes
4 answers
14k views

How do I install Arch Linux?

How do I install Arch Linux on my Raspberry Pi? Related: What are the benefits of using Arch Linux over the standard Debian build?
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-4 votes
2 answers
14k views

Problems while booting [closed]

Having difficulties booting would mean that your SD Card is written the way it is supposed to be and the OS starts loading but doesn't proceed and most certainly doesn't prompt you for logging in. ...
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  • 1,554
34 votes
2 answers
6k views

Building Wireless Drivers for Edimax Wireless USB: EW-7811UN

I've been trying on and off for days to build the module for my USB wireless device. It is an Edimax EW-7811UN I've found several resources on building modules for Debian, but none for Arch. ...
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  • 22.1k
29 votes
3 answers
9k views

How can I use the GPIO pins as digital outputs?

I've read that the Raspberry Pi has a number of input and output pins. How can I switch them? (from Python?) What voltage logic? Do I need pull-up or pull-down resistors? Do I need to switch the pins ...
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  • 7,385
69 votes
2 answers
135k views

Which SD cards are compatible?

The site http://www.raspberrypi.org/quick-start-guide says: You will need an SD card with an operating system preloaded before you can boot the Raspberry Pi. A brand-name (not generic) Class 4 ...
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  • 1,987
6 votes
6 answers
2k views

Which distributors are authorized to sell device units? [closed]

Which distributors and partners are officially authorized to sell Raspberry Pi's?
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  • 1,835
14 votes
2 answers
1k views

On the RPi Advanced setup page, what does mkcard.txt do?

I have come across the RPi Advanced Setup but there are incomplete steps. For example, where can I find mkcard.txt from the Advanced SD card setup section? Do I just reuse the one from the BeagleBone ...
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  • 693
87 votes
8 answers
52k views

How do I build a GCC 4.7 toolchain for cross-compiling?

I already asked this question on Stack Overflow, but I would like to know if anyone managed to build a GCC 4.7 toolchain for ARM cross-compilation (for a x86/x86-64 Linux host). There are many ...
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