Raspberry Pi Stack Exchange
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1500 questions
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4 answers

Sensor to detect water/liquid level

I have a swamp cooler that does not turn off automatically when the water level evaporates below the safe level, and if I fail to turn it off even once I could damage it. The sensor simply needs to know if it is A) covered in liquid or B) not…
Matthew Moisen
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Remove repo from Raspbian

Question I have a repo that causes an error to appear whenever i update or install anything. How can i remove it? Error message W: Failed to fetch http://repo.offensive-security.com/dist/bt4/binary/en_GB Unable to connect to…
Dan Cundy
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Use raspberry pi 3.5mm jack as line in

Is is possible to use the 3.5 jack on the Raspberry Pi as a line-in? I need to record audio through the Pi and I didn't find anything conclusive about its audio capabilities. Would like to make sure before searching for a sound card.
Dumitru
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5 answers

UPS for raspberry pi

I want to be able to power my pi like a smartphone (ie from battery or from mains (while charging the battery), hot swappable) I know there are boards like the MoPi that achieve this, but the transport to South Africa will be more than the board…
JacquesL
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1 answer

Type of cable needed for new audio/video port on Model B+?

Just wondering what kind of cable I need to output audio and video using the new AV jack on the RPi model B+. I'm assuming it would look like a headphone cord but split to RCA or similar?
Marcel
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2 answers

Using the UV4L driver to stream video from the raspberry pi camera to android phone

Hello raspberry people! I'm posting a new question because I don't have enough rep on raspberrypi.stackexchange to post a comment on this post: https://raspberrypi.stackexchange.com/questions/15000/stream-video-from-rpi-cam-to-android-phone which…
seed_87
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5 answers

Preventing SD card corruption in the event of power failure

I have a project that uses Pi's in remote locations (roadside cabinets dotted around a city next to important bits of water infrastructure) to read data via USB from some specialised data collection equipment and then transmit it (via an ADSL link)…
Asher Hoskins
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Raspberry Pi won't boot and red light shows

I've had my Raspberry Pi for a few months now, and it's given me no trouble up to now. First off, I use one of those micro SD cards that slides in to a small adapter that looks like a full sized SD, and it has always worked well in my Pi. I have an…
Richard
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Can't get Pi to work with a Sony SDM-S74 DVI-D monitor

I have just bought a new RaspberryPi that I'm trying to get working with a Sony DVI monitor. I'm hoping someone can help me. I installed Raspbian on a 8GB card, connected the Pi to a Sony SDM-S74 monitor using a HDMI-to-DVI cable. When I power-up…
Andy Johnson
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How to install Quake 3

Running the latest debian distro (2012-09-18-wheezy) and latest firmware ? (rpi-update). How to install and run a working Quake 3 game? Kind regards
Christian
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Launching vino-server on display :0 at boot

I run my Raspberry Pi with Raspbian with an X server running but without a monitor connected to it. I installed tightvncserver and now running: vncserver :1 -geometry 1600x900 -depth 24 I can have a lightdm desktop session to connect to. However,…
Avio
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3 answers

Is it possible to install Raspbmc without a wired internet connection?

I don't have a wired internet connection and I was wondering if it would be possible to install the latest version onto the SD card? Alternatively I tried bridging my laptop's wireless connection with its wired connection but that didn't seem to…
Ben Elgar
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Can not capture video using OpenCV

I installed OpenCV 2.3.1 in my Raspberry Pi (Debian Wheezy) following this tutorial. But I can't take video using my USB webcam. Gstreamer shows this error: OpenCV Error: Unsupported format or combination of formats (Gstreamer Opencv backend doesn't…
sumith
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Trying to use Pi as a Router - dnsmasq reports interface eth1 does not currently exist

I am trying to use my Pi as a router and I want to start with getting DHCP set up. I bought the Apple USB to ethernet adaptor and it seems to work fine. The WAN is setup to eth0 - the built in ethernet on the pi board - while the connection to, say…
User7391
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Should I Bypass the USB fuses on the revision 1 Raspberry Pi?

As blogged on raspberrypi.org, the USB fuses are no longer on some of the later revision 1 PCBs or the revision 2 PCBs USB Output Power The resetable fuses protecting the USB outputs have been removed. This feature was implemented on some later…
John La Rooy
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