Interfacing (DSI, CSI, I2C, etc.) • Failing to use Raspberry Pi 4 UART2
I am encountering an issue with reading data from UART2 on my Raspberry Pi using GPIO pins 0 and 3. I have configured the system to enable UART and specified dtoverlay=uart2 in the config.txt file....
View ArticleAdvanced users • Re: Timers in Raspberry Pi model 4b
I don't think a Raspberry Pi has built-in timers, but have a look at this for C++:https://www.fluentcpp.com/2018/12/28/timer-cpp/Statistics: Posted by deepo — Tue Apr 30, 2024 7:04 pm
View ArticleTroubleshooting • Re: PCIe port plastic ribbon retention clip
It's not a problem only affecting Raspberry Pi boards - Hopefully 'right to repair' legislation will one day make it easier to obtain single parts at reasonable cost for everything and anything.Will I...
View ArticleGeneral • Re: how to generate full range flash image for raspberry pi pico
Hi ,As per datasheet , board have 2MB QSPI Flash. I would like to generate binary image occupies this entire flash memory. probably filling unused area with randomized data or 0xff. My goal is to...
View ArticleAutomation, sensing and robotics • Re: Send notifications to phone using...
If you are an Android phone user, you can use Tasker and AutoRemote. AutoRemote is a plugin (accessory) to Tasker. Both from the same Developer. AutoRemote can send notifications to your phone or...
View ArticleTroubleshooting • Re: KEY_POWER not acting as expected
Running the same test on Bookworm and X11 I still get the power options menu, I would expect this. What I'm not sure of is wayfire still in control of this or is there some other service when X11 is...
View ArticleTroubleshooting • Re: Pi5 8GB memory bandwidth significantly lower than Pi5 4GB
Still about 10% slower than the 4GB pi5Using single threaded runs (non OMP).Can you explain what you ran?After the busybox command I'm not really seeing a difference in 4G and 8G for either:Code: gcc...
View ArticleTroubleshooting • Re: Locale Defaults to POSIX, cannot change to en_US.UTF-8
A bit more investigation shows the default to POSIX is only when I access via SSH. I can access via VNC terminal and when I issue the "locale" command it DOES show en_US.UTF-8. In fact, my last 2...
View ArticleOff topic discussion • Re: older UNIX users use root
I think the point is that doas and sudo are generally worse because they conflate the user, the dog developer and administrator into one account.In my opinion the opposite approach would be better....
View ArticleTroubleshooting • Seeing some strange characters in my termial
Hello everyone, I'm running a Pi 5 and I noticed one of my programs write odd characters to the terminal Code: I²COn my Pi 4 this isn't the case I don't see the  character and it's not in the code...
View ArticleNetworking and servers • Re: ssh: connect to host 10.0.0.234 port 22: Host is...
Many thanks,The CRONTAB shell script has that ping line as the second line, but seeing as no date is added to the log file and the WiFi still goes down then I assume that crontab is still not working...
View ArticleTroubleshooting • Re: Seeing some strange characters in my termial
Something is outputting UTF-8 but your terminal isn't set for it?Statistics: Posted by trejan — Wed May 01, 2024 6:37 pm
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Troubleshooting • Re: Issues installing OpenCV Virtual Enviroment
It's very simple to install and configure virtualenv on rpi5. I had same problem during package installation. I tested the solution on my rpi5.Follow the given steps.Step1: Install required packages...
View ArticleBeginners • Re: GPIO to VGA
HDMI to VGA adapters are cheap and work incredibly well.I was going to recommend the Amazon Basics adapter as I've used it, but they have redesigned it since I bought it. Mine has an HDMI male (plug)...
View ArticleGeneral discussion • Re: Will the pi 4 power a 5 volt 550 miliamp hard disk...
Assuming your charger is well regulated (i.e. provides a stable 5v under load) you should be fine without a separate power supply for a 2.5" drive.The 4B limits total curent to downstream bus powered...
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Troubleshooting • Re: Router loses WIFI when i start my Raspberry Pi 5
So, I think I have solved the problem... Could it be that the upper USB 3 port cannot handle the USB SSD and the lower USB 3 port has more power? I connected the boot SSD to the bottom port and voila,...
View ArticleGeneral discussion • Re: Raspberry PI 5 Secure Boot
Start with a working image.To enable signed boot, you need to move everything in your boot partition into a boot.img file and create a boot.sig with the private key which is the private key for the...
View ArticleTroubleshooting • Re: Proper Forum for Me?
If it's specific to the Pi or Pi camera ask on here in the apropriate subforum for the question.If it's a genral Lniux question, that may or may not be permitted on here. It depends and I can't...
View ArticleBeginners • Re: Pi Backup to shared NTFS drive (CIFS)
As suggested, I did some testing: I attached the same NTFS portable USB drive to my Windws PC and created a network share.When I mount to that shared device from pi, the backup works without issue....
View ArticleAdvanced users • Re: Attempting to netboot with buildroot image
Does you buildroot image contain everything needed for both network boot and having it's partitions over nfs? Or is it a run from RAM image?A trurely minimal buildrot image built to run from SD card...
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