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Camera board • ModuleError: QtGlPreview

I'm trying to follow this tutorial herehttps://www.raspberrypi.com/news/using- ... flow-lite/But I keep getting errors saying QtGlPreview module is not found. Is there a different module I'm supposed...

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SDK • Re: picotool keeps wanting to be build

If you want to make 'picotool' a system-wide utility you can either link '/usr/local/bin/picotool' to the executable or copy the executable there. I recommend the first as there will never be any...

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Advanced users • shrink-backup v1.3 released

Old thread locked but can be read here: viewtopic.php?p=2261596Github: https://github.com/UnconnectedBedna/shrink-backupRelease notes: New options: -q|--quiet mode. Mute rsync output --no-color mode....

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Advanced users • Whisper-cpp and Vulkan shared memory problem

I compiled whsiper-cpp on my RPI5 8GB, it is running fine.I also compiled whisper with a Vulkan backend, but running that gives a memory error.ggml_vulkan: Found 1 Vulkan devices:ggml_vulkan: 0 = V3D...

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Camera board • Re: ModuleError: QtGlPreview

Are you running the "Bullseye" version of Raspberry Pi OS, like the 2022 article, or are you on current "Bookworm" version (or something else)?Also which Pi are you using?Statistics: Posted by neilgl...

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Troubleshooting • Re: Pi5 no audio with steamlink

Thanks. I asked it in the steamlink forums as well. Unfortunately the reports I found of similar issues that were solved didn't fix this for me. Of course it could be that I missed something or forgot...

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General programming discussion • Using a git repo set on a Zero2W

Hello,I've set a git repo on a Zero2W to which an extra 64GB large SD card is connected via a USB adapter. The access is by using SSH keys. Checking out, pushing works with full directories but there...

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SDK • Re: [RP2040] sleep_us waits forever

Issue is already open https://github.com/raspberrypi/openocd/issues/139Of course that Pi SDK had been updated to 2.2.0, so I retested it - not sure if the getting started documentation 15 Oct 2024 is...

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Beginners • OpenCV on a http webrtc stream streamed from a raspberry pi using...

Hi I'm just trying to run YOLO11 object detection using opencv's cv2.VideoCapture(source) with source = 'http://{ip_address}:8889/cam1' . I modified the mediamtx.yml file according to a YouTube...

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Troubleshooting • Re: Error, package installation

same with Me , Raspberry pi always direct to kartolo repo .Statistics: Posted by pukulsesuatu — Sun Aug 03, 2025 1:35 pm

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Networking and servers • Re: Network watchdog?

The software watchdog daemon should help: https://linux.die.net/man/8/watchdogStatistics: Posted by thagrol — Sun Aug 03, 2025 1:40 pm

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Networking and servers • Re: Keeping IP of the device bindable after HotSpot...

I have a Raspberry Pi that hosts a wireless hotspot. On that network the device gets the IP of 10.42.0.1. I am binding certain services to that IP to be able to access them via the wireless network.I...

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Other programming languages • Re: Trying to install NodeJS and serialport.

We could install an old version of serialport. On a Pi1 (B+) install Raspberry Pi OS (Legacy 32-bit) Lite, and do updatessudo apt install nodejs npmThis gets us: node --version v12.22.12 and npm...

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General discussion • Re: Raspberry Pi documentation - Pi5 filters?

Totally need that Pi5 filter! Last week I wasted hours sorting through mixed docs for 40pin definitions. For libraries, our lab standardized on gpiozero, but this converter script works for legacy...

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Networking and servers • Re: Using a git repo set on a Zero2W

Thanks, much appreciated.Cheers.Statistics: Posted by mevla — Sun Aug 03, 2025 2:15 pm

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General discussion • Re: Yes you can create a RPi image from Chromebook or...

Dude I ran into this too! Chromebooks download .xz by default - long-press the file in Files app and rename to .zip (tested on our lab's Acer Chromebook 514). Also check your Chrome OS version, builds...

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General discussion • Re: Raspberry Pi 4 battery powered?

For handheld builds, try TP4056 charger + MT3608 booster (our lab tests show 2.5A handles CM4 at full load). Key tip: use Li-ion protection boards with balancing - we fried a Pi using standard boards...

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Advanced users • Re: VideoCore VII Instruction Set

Our lab actually studied this old project in reverse engineering class last year! Recommend cross-referencing with Broadcom's BCM2711 manual (Chapter 8 has VideoCore register maps). But VC VII docs...

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General discussion • Re: Computer benchmarks can be useless

I also found big gaps between benchmarks and real-world Pi5 performance! For example, FTP server throughput via PCIe3.0 NVMe was ~15% lower than specs (maybe limited by SD card controller). Did you...

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Camera board • Raspberry pi camera

I have a raspberry pi zero kit with a case with the camera attachment that connects to the side of the case I hooked up the raspberry pi camera module V2 when I type the command vcgencmd get_camera it...

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