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1500 questions
24
votes
5 answers

What do I need to know when choosing a dedicated power supply?

This question asks about what you'd need to know to power a Pi from a non-dedicated power source. It also links to the Quick Start Guide, which says: Micro USB power supply – make sure you use a good quality one, capable of providing at least…
Highly Irregular
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24
votes
6 answers

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 current influence the performance?
24
votes
2 answers

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 remains black until you reboot. This is in…
finnw
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24
votes
3 answers

Which small displays have been confirmed to work?

Which small (7-10") displays have been confirmed to work with the Raspberry Pi? Also, what should I consider when looking to buy one of these displays or trying to integrate one with my Raspberry Pi?
Olive
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24
votes
3 answers

Where is the bottleneck of web browse speed on raspberry pi?

On a Model B 512 MB Pi with Raspbian “wheezy”, I have tried Midori, Chromium and Iceweasel. When the web page gets larger, loading is slow, even after I overclocked it to 1 GHz. On an Android phone with a 1 GHz CPU, the web page loading seems much…
hello.wjx
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24
votes
4 answers

Is it okay to just pull the plug?

Whenever I turn off my pi, I use sudo poweroff, which (in my understanding) is a safe way to stop all processes and shut down. Although sometimes when I'm using the Pi for embedded projects where I'm not always SSHing to the Pi, it often feels like…
James Vickery
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24
votes
3 answers

Do I need to use a heat sink?

I ordered a Pi 3 and accessory kit here from Amazon, it comes with 2 heat sinks. I won't be overclocking the Pi, would I still need to worry about heat issues? Eventually, this will be in an enclosed area outside of the casing with plenty of air…
C-dizzle
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24
votes
1 answer

Difference between H.264 and x264 and how to play it

Disclaimer: This is not an actual question, but rather "share your knowledge, Q&A-style" So, I'm running Xbmc on my Raspberry Pi and I'm having trouble understanding what I can actually play with it and what not. I read the RPi can play H.264…
Lukas Knuth
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24
votes
2 answers

Can you put Windows 10 IoT Core on Raspberry Pi Zero?

Can you put Windows 10 IoT Core on Raspberry Pi Zero? According to the minimum requirements specified on the Windows IoT core page it might seem possible, but I'm not sure.
Andrei Rînea
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24
votes
1 answer

Do all GPIO pins have a internal pull-up/pull-down resistors?

So question is: Does all Raspberrys GPIO have a internal pull-up/pull-down resistor which can be enabled from program, in my case Java language with PiJ4? I have Raspberry Model B+.
Redex
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24
votes
7 answers

Getting more than 26 GPIO pins

I would like to be able to output 75 digital out signals from the Raspberry Pi. However it has only 26 GPIO pins. Precise timing is not critical as long as it is within 1 second. I need to be able to turn all the signals on or off at the same…
Scoop
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24
votes
2 answers

FreeBSD - easiest way to install on my RPi?

Raspberry Pi support has been merged into FreeBSD-CURRENT a few months ago. However the latest installation instructions still involve a lengthy process of cross-compiling the entire OS on another machine to create an installation image. I realise…
Ingmar Hupp
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24
votes
10 answers

Epiphany Browser in full screen mode

How do I start epiphany browser in fullscreen mode from terminal (not F11)? Documentation says to use arguments -f or --fullscreen but neither of them work.
SRay
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24
votes
7 answers

Cannot connect to mirrordirector.raspbian.org

I can't connect to mirrordirector.raspbian.org in Raspbian, but I don't know why. I've already re-installed Raspbian, but it looks like this is not the problem. How can I resolve this? After I connected to my Raspberry Pi over SSH from another…
William Bello
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24
votes
9 answers

WiFi disconnects after period of time on Raspberry Pi, doesn't reconnect

I was finally able to get my Raspberry Pi connected to a hidden SSID network (WPA2 Personal) using the below settings (not using wpa_supplicant.conf). However, after a few hours it disconnects and does not reconnect. Raspberry Pi B+, running NOOBS.…
Micah
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