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1500 questions
9
votes
3 answers
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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3 answers
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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2 answers
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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2 answers
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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9
votes
1 answer
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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9
votes
1 answer
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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9
votes
3 answers
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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9
votes
1 answer
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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9
votes
2 answers
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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9
votes
3 answers
RPi.GPIO RuntimeError: Failed to add edge detection
I ran a python script on a Raspberrypi 4 on Raspbian Bookworm for a ups (uninterruptible power supply) quite a while. Since the latest update of bookworm the script fails. Since the script of the ups is somewhat complex i narrowed down the issue to…
uenz
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9
votes
6 answers
How does python GPIO bouncetime parameter work?
I have a simple Python script that is observing two GPIO pins, I've set the bouncetime parameter to 500ms, but I get multiple (almost always 2) calls to my callback, usually 3 or 4 ms apart. This is my first Python script, so I may be missing some…
TomG
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9
votes
4 answers
Pi Pico W: what is the practical difference between RUN and 3V3_EN pins?
Pi Pico W datasheet states: 3V3_EN connects to the on-board SMPS enable pin, and is pulled high (to VSYS) via a 100kΩ resistor. To disable the 3.3V (which also de-powers the RP2040), short this pin low. and RUN is the RP2040 enable pin, and has an…
Vadim
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9
votes
6 answers
No internet connection post-buster to bullseye upgrade
Problem: I've successfully upgraded a RasPi 3B+ dev box from Buster to Bullseye. However, when the Pi boots up, there is no internet connection . Background: Boot up showed a [FAILED] entry of: Failed to start DHCP Client Daemon. $ sudo service…
s3dev
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9
votes
3 answers
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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9
votes
2 answers
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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