Raspberry Pi Stack Exchange
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1500 questions
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3 answers

How do I display an image file (PNG) in a simple window?

I've got a prototype I need to show for an RFID project. I've got the RFID (Parallax USB) working, and the sample Python script (my first) is displaying the ID of the card just like it's supposed to... problem is, it's not a very compelling…
Jeff
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Current state of I2C in Kernel and Kernel version in general

I need to use kernel drivers for some I2C peripherals, so I need kernel I2C support. As already discussed in a previous question, the current 3.1.9 kernel doesn't provide support for the SoC's I2C hardware. I was hoping that the new Debian image…
Scolytus
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Would this touchscreen work with a Raspberry Pi?

I'm looking at getting this 659GL-70NP/C/T touchscreen for my Raspberry Pi but I'm not sure if the touch surface will work with the Raspberry Pi Android OS. Will it?
supr_g33k_7120
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What are the software implication of changes in Model B, rev 2.0?

As described in http://www.raspberrypi.org/archives/1929, there are various changes. Does this affect software that isn't using I2C or the new GPIO signals? I'm assuming I wouldn't be using the emulator or JTAG.
Brian Carlton
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How to use Java to read/write data to/from the header pins?

I just got Java running on my Raspberry Pi which took a lot more screwing around than i had hoped. I want to be able to read/write data to/from the header pins from Java. How can I do this? Do I need to write a driver or some sort with C first in…
John
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Whitelist internet filter

I want to set my small kids loose on the Raspberry Pi with Scratch 2.0 and code.org without having to worry about them accidentally ending up in the undesirable parts of the web. I have set up OpenDNS to filter web content for the Pi, but even on…
Tyler Jarvis
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How do I install Jenkins?

I have installed Jenkins, using sudo apt-get install jenkins and it did not work immediately, so i worked out to increase the size of the /run tmpfs. Now I am still getting errors in my jenkins.log, and I cannot access the web interface. Running…
hifkanotiks
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Unable to obtain IP in AP mode

I'm trying to setup an access point, using Raling RT5370 USB Dongle on a Debian system, I followed the following tutorial, until "Internet connection Sharing.", I don't want to share internet, so I skip this step. After the reboot I can see the AP,…
Mokus
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How do I set up Pushover service to tell me when my Pi is shutting down or starting up?

I would like to setup my Raspberry Pi to tell me when it is up or down via the curl API of Pushover service. What are the steps to do this? This came up while I was reading this question.
Zlatko
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What DLNA media server supports the most file formats?

What is the best DLNA server to use on an Raspberry Pi with support for the most file formats? I tried Logitech Media Server and MiniDLNA and both seem incapable of serving media in an AVI container. Is this a problem of configuration or do I need a…
simmmons
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Consumer eSIM solution Raspberry PI 4?

Disclaimer: I don't have a lot of knowledge about hardware and cellular networks so these concepts are quite new for me, I apologize for the lack of knowledge however I'm eager to learn more and make this work! I'm attempting to achieve a LTE…
icyli2
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thd (triggerhappy global hotkey daemon) - necessary?

Has thd any vital roles on a Raspbian system? I've never used this daemon before, and I don't know what it exactly does. I'm preparing a RPi for a remote hosting location, so it will be a headless, SSH only machine. Is it safe to remove or does it…
Scolytus
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9
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What streaming solution for the Picam has the smallest lag?

This post shows how to stream using VLC. It works nice and is simple, but it gives me about a second lag. This post uses GStreamer, and it has 0.3 second lag; I would like less. Is it possible to use Raspberry Pi graphics chip to speed up the…
Antonvh
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Will router's USB port supply enough power for the Raspberry Pi?

I'd like to use the Raspberry Pi as a small server. My Linksys WRT610N router has a rear USB port and I'd like to use it to supply power to the Raspi. That way, the Raspi doesn't need to have a dedicated power supply! Only two wires will be…
Morgan Courbet
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More free raspberry Pi alternatives?

I've been searching for information but because of the popularity of the Pi there are a lot of results that are how-tos or talking about alternatives. I have tried to do my research. This question was so hard to phrase; really sorry guys. (addendum…
Alec Teal
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