Beginners • Re: Unable to Control Brightness on Raspberry Pi 4B Running...
heres a script I wrote to help with thisCode: #!/bin/bash# Enable and disable HDMI output on the Raspberry Piis_off (){ddcutil getvcp d6 | grep "0x04" >/dev/null}turn_on (){output=$(ddcutil setvcp...
View ArticleTroubleshooting • Re: Turn on/off HDMI: not tvservice, not vcenvcmd, not...
heres a script I wrote to help with thisCode: #!/bin/bash# Enable and disable HDMI output on the Raspberry Piis_off (){ddcutil getvcp d6 | grep "0x04" >/dev/null}turn_on (){output=$(ddcutil setvcp...
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Camera board • Re: high framerate libcamera video capturing
Thank you for explanation.I understand that it has to be a Global Shutter camera to achieve such high speeds.Yes.But there are several Global Shutter cameras for PI, such as IMX296 :...
View ArticleBare metal, Assembly language • Re: Variable clocks and peripherals
Thanks, I'll need to look into that a little further. Do we get a notification about clock changes for power savings or do we have to look into the mailbox periodically?Statistics: Posted by yaw moo —...
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General discussion • Re: Pi 5 - Active Cooler Longevity
i got dibs on 1.5 years Statistics: Posted by kerry_s — Wed Mar 06, 2024 12:51 am
View ArticleCompute Module • Re: Kernel Panic on exec switch_root
exec switch_root /media/mmcblk0p2/ /sbin/initrun "file" on that "/sbin/init"what does it return?add "ls -lh /media/mmcblk0p2/sbin/" just before that exec, what does it output?Statistics: Posted by...
View ArticleBare metal, Assembly language • sdhost access on rpi4
Hi all,is there any known example code showing how to access the sd card using sdhost on rpi4?I believe I have to configure some GPIOs and possibly some other undocumented register before I even get...
View ArticleBare metal, Assembly language • Re: sdhost access on rpi4
on the pi4, the sd socket is not wired to the normal gpio arraythere is a custom mux that routes the sd socket pins between the new emmc2 controller, and the old arsan sdhci controller i believesdhost...
View ArticleAdvanced users • Re: PI5 and easy AI/CV/LLM
does Pi4 support ollama?Statistics: Posted by cjan — Thu Mar 07, 2024 12:26 am
View ArticleTroubleshooting • Re: Pi5 sdcard and slot hot when running benchmarks
The Pi5 (and Pi4B -- possibly the Pi3B+) uses all the available metalwork as a heatsink. So the heat is coming from the SOC. A heatsink on the SOC should be a sufficient solution -- either the Active...
View ArticleTroubleshooting • pi5 running insanely hot (80C +) with 40% cpu load
Hi all, I have a pi5 with a passive aluminum heatsink (this to be specific: https://www.amazon.com/dp/B0CN8NQC47)Idle, it's around 42C.When running my python script (which I intend to have running...
View ArticleTroubleshooting • Re: Can Not Open Access to Console the Root Account is Locked
You can't fix it from the prompt it gives as there is no root password set (and there shouldn't be).You have options:Make sure all drives that your Pi expects are connected at boot.Reconfigure your pi...
View ArticleTroubleshooting • Re: RPi 4 NVME over Network transfer speed issue
Interesting. Your disk is significantly slower than mine (Kingston A400 on a Startech USB3 adapter), but not sufficiently slower to be your root cause.You said that you're copying TO the NVME drive,...
View ArticleBeginners • Using a Raspberry Pi as a remote VPN access point
Hi,Currently I am using an Amplifi Teleport hardware device to access my local network when I am away from my home network. It basically uses the wifi available in the remote location to create an...
View ArticleGeneral discussion • Re: Pi 5 for flagship product boot experience is bad
$109 CAD for the 8GB Raspberry Pi$26 for two SD cards$25 for the recommended power supply for the Pi$26 for two micro HDMI cablesWith tax, this totals around $200.That gives something to go by as...
View ArticleBeginners • Re: What are the backup and recovery best practices?
I'd also suggest keeping OS and critical data on separate physical devices. Sure, it's a little extra config but it makes life much easier when you need to fix a badly broken OS or want to upgrade...
View ArticleSDK • Re: fatal error: pico/stdlib.h: No such file or directory
Thank you! You are correct, I was doing make in the project directory, not in the build directory. I am glad it was just something stupid on my end. I obviously need to do some more learning about...
View ArticleNetworking and servers • Re: Is WayVNC fixed?
Thanks for the hint.You can disable ipv6 in /etc/wayvnc/config file changing the address line from :: to 0.0.0.0Thanks for replying, but does wayvnc still work for you after disabling ipv6 ?since it...
View ArticleCamera board • Re: Failed to allocte a buffer using uvc camera
You can see here how to disappear this error message: https://forum.arducam.com/t/camerabin-e ... amera/4715Hi,Thank you for your update.However, we are facing the problem with the UVC camera on...
View ArticleC/C++ • Re: libgpiod RPI 5, C++, libgpiod-led not working.
BINGO! YAHTZEE! The link AndyO posted to youtube has a link to download code that works. That code does indeed work. Sam Wechsler's code did the trick for me. S. Wechsler pointed out that he was...
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