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Introduction I am one of the winners of a brand new Raspberry Pi 4B https://www.element14.com/community/docs/DOC-93093/l/announcing-our-raspberry-pi-4-giveaway-winners . My project proposal was to try running a Gitlab server https://about.gitlab.com/ on the Pi. Gitlab is much more than just source code management tool (based on Git, of course). It also includes a project management and a ticket system and continuous improvement / continuous delivery (CI/CD) support. There are two options to run ...
    So previously, I had wrote a post about my experiences with using the previous versions of the Raspberry Pi as a desktop with multiple version and I enjoyed them as a great addition to using them along side my main PC.  Since I was unable to do all the things on previous versions I was hoping to do with the Raspberry Pi I had to settle for just being able to do most things.   Now knowing what was and wasn't working on previous versions of the Raspberry Pi I finally got ...
Today I have make an initial configuration of Raspberry Pi4 for purpose of streaming an DVB-T live channel via HLS. Basic idea is to use DVB-T USB dongle to receive an MUX with channels. I have used tzap tool to record audio and video PIDs of interested channel. This recording was a source for ffmpeg which transcoded this audio/video data. In final result we got an HLS manifest used by client application.   First step is configuration of HTTP server. I have used a Apache application with ...
Just got my new RaspberryPi 4. I’d read about the CPU running hotter than previous models, so I decided to have a look for myself.   https://www.elinix.org/RPI_vcgencmd_usage gave details of how to do this.   I decided to wrap this up in a PyQt5 application so that I could monitor the temperature more easily.   So if anyone wants a copy here it is (to cut and paste) or download from:   http://www.concept-computing.co.uk Login as Guest   Just got ...
  **Small update: [Oct.13.19] Remember to also plug your audio into another speaker system as well.  Today I thought I had this issue again so  I ran the fix and was getting frustrated that it wasn't working.  Turns out that my speakers on my old monitor that I am using finally went and now I have to find a low powered replacement so remember to also try hardware as well to make sure it is working (I could have run my phone into the monitor to test it which I eventually did ...
Once you play around with all the IDE's available for python on Raspberry Pi you tend to want to play with PyCharm since well its probably what you have installed on your desktop or laptop.  Good news get it up and running on the pi in no time.   This is one of my favorite ones but tend to use MU IDE on smaller projects.   Go to https://www.jetbrains.com/pycharm/download/ download the linux community version in the downloads folder on your pi extract the files by right cl ...
Not long ago I stumbled upon the ability to hack apart the Raspberry Pi with its USB 3 chipset to acknowledge a PCIe interface PCIe / PCI Express on the Raspberry Pi 4 B? Apparently So!   Tweet - https://twitter.com/domipheus/status/1167566293861588992   Thanks to an article highlighted on Hackaday, this technology is going a bit further, though the hardware hackers are being limited by apparent software restrictions purposefully put into Raspbian.     Welcome to the PCI ...
  I have downloaded latest Raspbian and flashed it with balenaEtcher tool to SD card. Under Linux it is done by following command: ./balenaEtcher-1.5.56-x64.AppImage My idea is to have headless system, so I enabled SSH and configured a connection to home WiFi network. To enable SSH we need to create a empty file called shh under following location /boot/ on SD card. To setup WiFi we need to create a file with following name: wpa_supplicant.conf at the same location. Here is template of Wi ...
Green screen / chroma keying is a layering technique where you replace the real background of your video with a digital background (can be other images as shown below or other videos). This technique is used in   news casting. Example: weatherman pointing to weather patterns movies. I am guessing the invisible cloaks in Harry Potter movies were created using this technique and even in VR-based video game productions.     Imagine being able to pull this off with only a Raspbe ...
dougw

PiCade Build and Test

Posted by dougw Top Member Sep 1, 2019
As a finisher prize in the PiCasso Design Challenge I received a Pimoroni PiCade and a Raspberry Pi 3B+ to power it. This blog is is an unboxing / build / test of that system. The build actually took several hours and getting the software properly configured took a bunch more hours. The kit is complete (except for the Raspberry Pi and a power supply) and there were even some spare parts left over (I assume they are spare parts ) Every thing fit without being forced and it seems solidly des ...

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