Advanced users • Re: Did raspicam's /dev/video0 just lose MJPEG format?
Over the last 4 years there has been the shift from the legacy firmware-based camera stack to libcamera being the supported camera stack. https://www.raspberrypi.com/news/an-ope ... libcamera/Bullseye...
View ArticleGraphics, sound and multimedia • Re: Zero2 analog synth demo
Here's deep dive two, which goes into USB gadget mode. Two audio interfaces @ 27 channels each (54 total) and MIDI. Then use VCV Rack on a host computer to measure latency of the roundtrip signals to...
View ArticleAdvanced users • Raspberry Pi Server
I’ve recently became interested in raspberry pi servers. I wanted to create my own with 4 raspberry pi 5s. Also, I wanted to use FPGA accelerators to help the server with different computations etc....
View ArticleAdvanced users • Raspberry Pi 5 thermal throttling at 80C or 85C?
Hi, it seems that the temperature, when RPi5 start throttling the CPU frequency, is 85C. The throttling can also be seen from the output of vcgencmd get_throttled.I have the official active heatsink...
View ArticleRaspberry Pi OS • Re: bookworm update forbidden 403
I formatted a clean SD card with the current version of Raspberry PI OS. Update complained of the same error as above, ping worked and the wget command worked fine until the line that should show...
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Pidora / Fedora • Kernel: 6.9.0-0.rc1.17.fc41.aarch64
Code: root@fedora:~# neofetch --offroot@fedora-----------OS: Fedora Linux 41 (Workstation Edition Prerelease) aarch64Host: Raspberry Pi 400 Rev 1.0Kernel: 6.9.0-0.rc1.17.fc41.aarch64Uptime: 10...
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General discussion • Re: Software
MiscBitsLovely reply Statistics: Posted by amoun — Tue Mar 26, 2024 9:31 pm
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Advanced users • Re: Testing class A2 SD cards with Command Queueing on Pi 5
0.993707] mmc0: SDHCI controller on 1000fff000.mmc [1000fff000.mmc] using ADMA 64-bit[ 1.092355] mmc0: Command Queue Engine enabled[ 1.092360] mmc0: new ultra high speed SDR104 SDXC card at address...
View ArticleTroubleshooting • Re: Strange behaviour from 27W USB-C PSU
Simple splitters violate the USB specification. I've never seen one that is compliant as that takes electronics.Statistics: Posted by dp11 — Tue Mar 26, 2024 9:37 pm
View ArticleTroubleshooting • Re: Malloc_Consolidate:() Invalid Chunk Size Error
Perhaps time to try another R-PI and see whether the issue is consistent across examples. As for codecs, yes they can have memory management issues, largely to do with programming, which should have...
View ArticleCamera board • Take a small picture by setting size but use scale not crop
I don't know if I'm not understanding something...If you use:Code: picam2.create_still_configuration(main={"size": (320, 320)})and compare that with a full res shot, it seems to be a crop. I want to...
View ArticleAdvanced users • Re: Raspberry Pi 5 thermal throttling at 80C or 85C?
From the official documentation...When the core temperature is between 80°C and 85°C, the ARM cores will be throttled back. If the temperature exceeds 85°C, the ARM cores and the GPU will be throttled...
View ArticleTroubleshooting • Re: LOW voltage message on Pi5 ( Bookworm )
I edit config.txt and looks like this.[all]PSU_MAX_CURRENT=5000vcgencmd pmic_read_adc EXT5V_Vusb_max_current_enable=1How can i get rid of the LOW VOLTAGE message to Right. Code:...
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Raspberry Pi OS • Re: Bookworm LVM rootfs
My custom imaging script does still work but is well past its sell-by date (and doesn't do GPT or LVM). I'm hoping I can retire it in favor of 'sdm' Email me or post your custom script on the sdm...
View ArticleBeginners • Re: sound output of both tv and pi on the same speaker
Hi,I have a pair of speakers that are currently connected to my tv via 3.5mm cable and I would like to be able to use them for the pi as well.What I don't have is an y-cable which probably would be...
View ArticleTroubleshooting • Re: Trying to install Processing under bookWorm
Runs fine on my Pi5 but I am using x11 mode not Wayland.The Deepvision library/examples work, other CV stuff has issues.I found it a bit slow on Pi400.Statistics: Posted by Gavinmc42 — Wed Mar 27,...
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Raspberry Pi OS • Re: Which packages are installed (remote)?
Thanks .... with the history.log I do not get everything as the log is to limited due log-rotate etc. Also I notice there are a lot of update/upgrade commands. The /var/lib/dpkg/status looks...
View ArticleAutomation, sensing and robotics • Re: How to replace RPi.GPIO code with...
Sadly I am wrong. This does not solve the problem. The monitor does go to sleep, but still wakes up about 60 seconds later, despite the PIR still being covered and dark in a box. Any ideas gratefully...
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Advanced users • Re: Image File Utilities
Code: sudo blkid /dev/nvme0n1 | grep -o PTTYPE=.*does not return neither "dos" nor "gpt" which is checked. Would be interesting what's returned on your system instead As expected:Code:...
View ArticlePython • GPIO and Buzzer activation
I'm working on a python code to make an access control by RFID and it is working very well. Now I have the final implementation with a buzzer to make a short sound when the RFID tag is detected. I...
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