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1500 questions
34
votes
5 answers
What SPI frequencies does Raspberry Pi support?
What SPI frequencies does Raspberry Pi support?
Additionally:
Are they all supported by the bootc.net SPI driver?
Are there any additinal things I should be cautious about when trying to communicate with some other chip via SPI?
akavel
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34
votes
4 answers
How to login as root remotely?
I am trying to login to the raspberrypi as root user via winscp, but it only says "Access denied", same thing for trying to login directly as root on ssh.
I have tried loging in as pi and doing sudo passwd root, which results in the console output…
d0min0r4bb1t
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34
votes
8 answers
How to safely switch off the Raspberry Pi?
Usually with a desktop computer, if I run sudo shutdown -P now, the computer switches off completely and I can switch it back on again with a button. (Likewise, if the computer crashes, I can force a restart by holding down the power button for 5…
George Simms
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34
votes
9 answers
USB Cables... Why are some of them bad for Raspberry Pi?
Yesterday I bought another Raspberry Pi, and installed Rasplex on it. While using Rasplex, I got this colored square on the top-right corner, indicating that the power supplied to my Raspberry Pi is not sufficient, although I was using an Anker…
The Quantum Physicist
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34
votes
4 answers
What size screws does the Raspberry Pi board use?
On the model B+ there are four screws that can be used to attach your device either to a base or firmly inside of a case or other enclosure.
What is the size of these screws? That is, if you are walking down the isle of a hardware store, what…
IQAndreas
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34
votes
2 answers
What's the difference between the Raspberry Pi 1 Model B and B+?
I have a Model B Raspberry Pi, but what are the differences between this and the new Model B+?
Also apart from the physical differences, what could I do with a B+ that I can't do with my Model B?
dmeehan
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34
votes
10 answers
Can I install Windows?
I recently bought a RPi and it came with Debian, which I think is a Linux distribution. I'm more used to Windows; can I install it?
Alex Chamberlain
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34
votes
6 answers
Recommended GUI toolkit for Python development on the Raspberry Pi
I am teaching my daughter Python (and myself to some degree) using the Pi, and we have had a great time so far - but the CLI can only take us so far. I have started looking at other toolkits, specifically wx, Qt and GTK. These all seem to have great…
Goyuix
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33
votes
5 answers
How do I display images without starting X11?
I can view videos using OMXPlayer:
omxplayer -o hdmi video.h264
How do I do the same for still images?
tompreston
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33
votes
4 answers
Is it possible to update, upgrade and install software before flashing an image?
It seems silly to use our limited SD write cycles to upgrade the software shipped on the images. Can we upgrade the software and install new software before flashing an image to the SD card?
Alex Chamberlain
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33
votes
2 answers
What BIOS does Raspberry Pi use?
I am wanting to learn about the BIOS on a Raspberry Pi motherboard. What is the BIOS called? Does it have a specific name or is it just called a BIOS on a Raspberry Pi?
Devyn Collier Johnson
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33
votes
3 answers
How can I use a bluetooth mouse and keyboard?
I have a spare Mac keyboard that I'd like to use with my Raspberry Pi when it's plugged into my TV, so that I can use it for surfing internet on my TV.
Has anyone got a working configuration with a bluetooth mouse and keyboard, and a recipe for…
Maria Zverina
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33
votes
8 answers
Shutting down the Pi safely without SSH or a monitor?
My Pi is currently not responding to SSH, and the only HDMI monitor I have is a large TV several meters away. I've heard bad things about unplugging it, but do I have any other option?
Currently running headless raspbian, maybe I could connect a…
vpzomtrrfrt
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33
votes
7 answers
Undervoltage warning despite decent power supply
I found some related questions about this, yet no answer.
Using a freshly bought "5V/2.1A" rated power supply, I get undervoltage warning icon on both my Raspberry Pi 3s. I measure 4.75V at the USB ports.
I feel like this should not be happening.
LDericher
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33
votes
8 answers
How to shut down RPi when running headless
If I am running a Pi headless, is there a command I can use to safely shut down, or should I simply remove the power cord?
Eric Wilson
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