Raspberry Pi Stack Exchange
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1500 questions
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4 answers

RPI 4 - POE enabled but requires hat?

I'm confused about the marketing on the new RPI 4. Here in the tech specs it says "Power over Ethernet (PoE) enabled (requires separate PoE HAT)". What does it mean it's enabled, but it needs a separate hat. The RPI 3 could be powered with POE…
dave k
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2 answers

Can I use the Raspberry Pi as a second monitor?

I have a desktop running Ubuntu 10.04 (which I should upgrade - I know!), which uses GDM. It currently has 2 screens installed, which are configured using xorg.conf. It includes using xinerama to act as one large display. Is it possible to use an…
Alex Chamberlain
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Is there a way to alter the raspberry image that appears during boot?

A glint-box community member recently asked me if there was a way to replace the raspberry image that appears in the top-left corner of the screen during boot to something more NES-centric, such as a 1-UP mushroom. Anyone know where this image is…
jefflunt
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18
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7 answers

How to change the default governor?

I want to change the default governor on my pi from ondemand to performance. Is there a way of doing this?
Matthew
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18
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1 answer

How to set up a PulseAudio sink?

I'm trying to set up a PulseAudio sink on my Raspberry Pi, in order to stream all system sounds from my PC there. What is the best way to do so? For example, is it possible to watch movies or is the latency too high? I tried this a while ago using…
anon
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18
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5 answers

Raspberry Pi as an Email Server

I just got my Pi today, and of course I can't even use it because I got the wrong HDMI to DVI converter but that's besides the point and question. My question is the following: I have decided to ditch Gmail and to setup my own email server. First I…
MCP_infiltrator
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18
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5 answers

Motion-daemon: /var/log/motion/motion.log permission denied

I have installed the motion package on my pi (stretch). If I start motion in the foreground it's working but when I try to start it as a daemon it fails with the following log message: motion: permission denied for /var/log/motion/motion.log I've…
participant
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1 answer

What is /dev/ttyAMA0

complete newbie here. Can someone please tell me what /dev/ttyAMA0. I read that it is the TxRx pins. But what is it? is it used to refer to the pins or their address? is it explicitly the Rx or the tx pin?
Hrithu Olickel Arumaraj
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18
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2 answers

What is the latest sources.list for Raspbian?

Raspbian Repository suggests that Wheezy would be the "official" current suite of the Raspbian distribution. I cannot believe that, though, because I have been using "Jessie" as "stable" instead for the last years, which is the successor of…
Guenther Brunthaler
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18
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3 answers

How can I solve sound drops over HDMI in Raspbmc?

I'm using Raspbmc RC3 to play some 720/1080p content over NFS and AFP. I experience frequent sound drops, every 2-3 minutes or so the sound drops for 1-2 secs. I've set XBMC to forward Dolby/DTS to my capable receiver, and set audio mode to 5.1.…
Sjaak Trekhaak
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18
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4 answers

What are the dangers of connecting the Micro-USB through an adapter straight to the mains?

I have a USB-Mains power adapter for charging up an iPod, which I thought I would use to power my Pi. It looks like this: with USB one side, and Mains the other. I was wondering if there are any dangers I need to be aware of when connecting my Pi…
ACarter
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18
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3 answers

Can the Raspberry Pi be used to construct a laptop?

While there are lots of setups for desktop-like setups for the Raspberry Pi. (Using a monitor, mouse, etc.) Are there any instructions on how to set up a portable laptop configuration?
ramblinjan
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18
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1 answer

What is the temperature behaviour of a Raspberry Pi in an enclosure?

There has been some comment about suitable enclosures for the Pi and its temperature behaviour. Are there measured data for this?
image_doctor
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4 answers

Automatically connect trusted Bluetooth speaker

I have followed the following tutorial (http://mygeeks014.blogspot.nl/2015/01/audio-streaming-to-bluetooth-speaker.html) to connect a Bluetooth speaker to my Raspberry Pi. Everything works as it's supposed to, but the speaker will not automatically…
Den3243
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18
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4 answers

How to permanently hide mouse pointer or cursor on Raspberry PI?

I am running Raspbian Jessie on Raspberry PI 2 Model B along with a touchscreen. I just noticed that whenever I use the touchscreen display, mouse pointer also follows my finger tips. I don't want that. I want to be able to permanently hide the…
ThN
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