Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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1500 questions
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6 answers

How to disable local terminal showing through when playing video

Any local terminal text (login prompt, etc) is showing through areas of the screen that are not covered by video (i.e. the black bars on the top and bottom) when I use a remote terminal to play video with omxplayer. If I wait 10-15 minutes, the…
Wisteso
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Can I use a standard PC power supply to power a Raspberry Pi?

Can I use a standard PC power supply to power a Raspberry Pi, e.g. iMicro IM400W 400W ATX12V Power Supply (or just take one from an old unused computer)? Amazingly, these things are sold starting from 1$. Most people seem to be looking for small and…
Reto Höhener
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What's the problem with backfeeding?

New to the Pi, so new in fact that my very first (a B+) hasn't even arrived in the mail yet... I know that "backfeeding" or "backpowering" refers to powering the Raspberry Pi via a powered USB hub connected to the Pi through the latter's USB port…
Kromey
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4 answers

Receive FM Radio on Raspberry Pi

I want to feed the FM radio signals to raspberry pi. Having a basic understanding of electronics, I figured out that a FM receiver and an ADC is required. Now I need help on how to proceed with the connections. Is there any kit or module which will…
krthkj
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TightVNC connection refused

I exactly followed these instructions on the official RPi site to install TightVNC on my Pi (model 2). The Pi has a static IP address and I can ping it and SSH in (obviously), so I know it's working. When I try to connect using the Windows TightVNC…
vaindil
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2 answers

What are the two long components on the board?

On the Raspberry Pi there are two components about an inch long, one next to the ethernet and one next to the logo. I have been wondering since I received the device what these components are? These are the components I'm referring to.
Shane Hudson
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Is it possible to immersively cool a device?

With reference to recent questions about overclocking (ie. What are the overclocking capabilities? ), is it possible to immersively cool the Raspi? Presumably such a system would have to rely on finding a coolant that is non-toxic, non-conducting,…
winwaed
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Kernel .config necessary options

I'm interested in compiling a custom kernel for the pi. I have the source from the github archive, which includes a make target for a default configuration: make ARCH=arm bcmrpi_defconfig But (as with normal linux distro kernels) this includes a…
goldilocks
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1 answer

Calibrate overscan settings

There are options to adjust the the overscan settings in /boot/config.txt. # uncomment this if your display has a black border of unused pixels visible # and your display can output without overscan disable_overscan=0 # uncomment the following to…
IQAndreas
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4 answers

Pi Headless: How to confirm that the Pi is shut down

I am running my Pi headless connected to my wireless router using a ethernet cable. I wanted to shut down the pi remotely even when I am not connected to it using SSH/Putty to shut it down exclusively. I put a question here: Shutting down my Pi…
Kangkan
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3 answers

How do I connect my printer to the serial GPIO pins?

I've purchased a Mini Thermal Printer from Adafruit. The documentation states: This printer is ideal for interfacing with a microcontroller, you simply need a 3.3V to 5V TTL serial output from your microcontroller Since the serial pins on the…
Jivings
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The Manufacturing Cost Of Raspberry Pi

I am curious to know how much raspberry pi cost to manufacture (not the cost to us) at the volume it is being manufactured now? I mostly want to know who how much margin is left in the larger production of a cheap computer like the pi?
iCode
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Enabling high resolution capture from web camera

I'm experimenting with using the Pi for web cam streaming and motion detection, with the motion app. Trying a few different web cameras and combinations with other hardware, I've found one combination that is perfectly stable (see below). However,…
Roger Dahl
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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 demo site? Then there is an important steps…
Joe
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Controlling the HDMI output via SSH

I am yet to receive my Pi, however I've been looking into what I would like it to do. One of the features I am looking forward to is using it when it is plugged into my TV (via HDMI) to access the internet, and my external hard-drives (all in the…
Luke
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