General • Buffering of uncached XIP loads and stores?
For writes to memory in the uncached XIP address range, does XIP buffer writes? For example, if a processor does an uncached XIP write, is it guaranteed to stall until the QSPI request completes, or...
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Troubleshooting • Re: bookworm update messed up libcamera on a pi3 b+ ?
Thanks naushir for fixing the Floating Point Exception error in github raspberrypi / rpicam-appsI upgraded my two Bookworm PiZ 2W wildlife camera systems this evening (07sep24) and everything is...
View ArticleGeneral • Re: Non blocking data logging on dual core system
At least in zeptoforth (full disclosure: this is my Forth which runs on, amongst other things, the RP2040 and, in the alpha releases, the RP2350) what I would recommend is recording the data to a...
View ArticleTroubleshooting • Brand new pi and image - can't connect to gateway...
I'm replacing a raspberry pi zero w with a zero 2 w and I'm running into a very strange issue where I can't ping my gateway or external servers via ipv4. I am connecting to the zero from my Mac via...
View ArticleNetworking and servers • Re: Docker/Nodered can't reach other devices on...
First: thanks a lot for your answer!Docker manages its own network unless you configure containers with network: hostDocker usually will create a docker0 network bridge device to let containers...
View ArticleTroubleshooting • Re: Brand new pi and image - can't connect to gateway...
Key Troubleshooting Steps1. Checked Wi-Fi Status: The Pi is connected to Wi-Fi (wlan0), verified by SSH access and ip a output.2. DHCP Conflicts: DHCP was still dynamically assigning an IP even after...
View ArticleGraphics, sound and multimedia • Re: digital dash using raspberry pi 4
I solved this originally by having a separate microcontroller monitoring the power in the car. It was permanently connected and only drew about 4 mA. When ACC came on it waited about 15 seconds before...
View ArticleBeginners • Pi5 vs Microsoft Teams
I know nothing about teams, nor any other internet communication medium that's come out since twitter arrived.Should I expect any problems with teams on a Pi5 and how do you use it on a Pi. I have a...
View ArticleAdvanced users • Re: unused files in /usr/lib/modules/
What happens when you run sudo apt autoremove?In my case while the directories /lib/modules are still present (e.g. /lib/modules/6.1.0-rpi4-rpi-v8) they don'tcontain a kernels sub directory nor do...
View ArticleGeneral • Re: RP2350 arm floating point support
from RP2350 datasheet:3.6.4. Floating Point UnitThe Cortex-M33 cores on RP2350 are configured with the standard Arm single-precision floating point unit (FPU).Coprocessor ports 10 and 11 access the...
View ArticleBeginners • Re: Pi5 vs Microsoft Teams
I can't speak to MS Teams, but during the period when schooling was all remote, I set my grandson up with a Pi4B, RPF Camera 2, and a USB headphone and mic setup it on another such platform and it...
View ArticlePython • Re: Using a Raspberry Pi 4 to make a bleep type noise
@neilglThanks. That is actually the same page I used but I only got a faint click from the buzzer. Maybe it was a larger voltage buzzer.I will obtain a new one that I know to be a 3v...
View ArticleGeneral discussion • Re: Bought a 2nd hand Pi 4. It has a strange click sound...
That sound is not normal. hard to tell if it's coming from the Pi or something from the case.I would advise to take the Pi out of the case and run the Pi without the case to see where the sound is...
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Other programming languages • Re: JavaScript graph library, for embedding and...
It took a while, and work is not completely done yet.Newest version does at least for the problematic edge work with latest commit.So for edge 2 this command ...Code: ./rjs...
View ArticleAdvanced users • Re: Throttling mechanism on Pi OS question.
You may find the kernel docs for cpu-freq governors useful. The default parameters used by Raspios 12/Bookworm are:Code: murph@raspberrypi:~ $ cat /etc/default/cpu_governor## Set default governor on...
View ArticleGeneral discussion • Re: RPi 5 as a desktop daily driver?
Is there any repair option for a failed Raspberry Pi other than a complete replacement?It's not possible to buy the PMIC, the SOC or the RP1 I/O controller used in the Pi separately.As an anecdotal...
View ArticleAI Accelerator • Re: Coral Accelerator
ModuleNotFoundError occurs when a library is missing. Please check if you have installed all the libraries (pycoral.adapters and other libraries that you are using) properly. Something is missing I am...
View ArticlePython • Re: Is Python on a Pi4 fast enough to generate a monochrome video...
VGA is colour though. Do you know if it can be configured to output any of the older monochrome signals? VGA is also analog, I need TTL (digital0.I'm sure it could be modified for older timing, being...
View ArticleGeneral discussion • Re: Power Supply for RPI 3
A Raspberry Pi 3 Computer connected to the screen with a screen that is USB powered, I would recommend purchasing a 5V3A power supply.If you have a power supply with a built in power switch, I...
View ArticleBeginners • Re: @thagrol? Non GPIO 3 start up shutdown pi zero 2w?
I'm not at all sure I follow that circuit. But if I do...It's overill. The simple four wire DP/two switch method works.3.3v is shorted to GPIO27 throguh aprox 900 ohmWon't Q1's base also be pulled low...
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