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General discussion • Re: Permanently disable wifi on the raspberry pi 400
Thank you!I will try to remove the wifi chip. I will purchase a heat gun and let you know how it goes.Without experience in doing this sort of thing, you will almost certainly destroy your Pi400. Just...
View ArticleTroubleshooting • Re: Rasp pi 4b don't boot. Green led blinks continuously
Hello, good afternoon.I have a problem with my raspberry pi 4b. I use it with LibreELEC, and suddenly it has stopped emitting the video signal.The red led is on, and the green one flashes continuously...
View ArticleRaspberry Pi OS • Re: 32-bit trixie/testing repo not getting updates?
testing/trixie is not a supported version.Statistics: Posted by kerry_s — Sat Mar 30, 2024 8:30 pm
View ArticlePython • Re: Bookworm & Python library hell
In my case I downgraded to Debian 32 bit version, which solved matching python 3.9 version for appropriate tensorflow lite as well. Anyway if anyone interested.Statistics: Posted by bmadhekar — Sat...
View ArticleSDK • Re: cmake: Mixed host based and RP2040 project...
Somewhat similar I cam across when writing unit tests.I could not make it with one build file having the unit tests run on my local machine and also beable to build the PICO formware.The only way to...
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Troubleshooting • Re: sudo reboot takes 4-8mins
Code: Random write speed 1 IOPS (target 500) - FAIL1 IOPS ! !Yea, I'd say that card needs to be replaced.My 4B models are all USB booting from SSD or USB3 flash drives.1. 4B 4GB Rev 1.4 boots from a...
View ArticleAdvanced users • XZ compression
On both of my raspberries, one on bookworm, one on bullseye, they show:Code: $ ldd $(which sshd) | grep liblzma | grep -o '/[^ ]*'/lib/aarch64-linux-gnu/liblzma.so.5I am worried, please...
View ArticleSDK • Re: FreeRTOS+TCP vs lwip?
Mongoose peaked my interest, however I also need FreeRTOS and it also took me some time as a newbie to understand LwIP. Specially when it comes to when to copy data, when sockets get's closed etc.....
View ArticleBeginners • Re: raspberry pi5 cluster to use in a multi-charger hub
If you plan to add an NVMe or USB flash storage device to any of the PI 5 computers in the cluster that Pi will need 5A. If they all run no monitor, no keyboard and no storage except SD card, then 3A...
View ArticleBeginners • Network connection, two raspberry and WiFi AC
Hello,My goal is to connect two Raspberry together with an Ethernet cable. One of them should act as a Wifi Access point (so I can connect to it with a phone). How should I proceed, to be able to...
View ArticleSDK • Re: pico_w instability with wifi and freertos
...Stack Usage...PICO_USE_STACK_GUARDS and configCHECK_FOR_STACK_OVERFLOW help, but it's pretty easy to vault right past the guard bands. One trick I use is to initialize stack-resident arrays and...
View ArticleTroubleshooting • Re: Rpi5 Power Problems
Not all of my USB sticks work with my Pi 5. Perhaps your drives do not play nice with the Pi 5 too?Ohhh, well is weird because sometimes it works other not. I will try with another one in a moment to...
View ArticleTroubleshooting • Re: Problem with Johnwill Monitor
Installed the 64 bit version.When I try to edit boot/firmware/cmdline.txt, I get told that it is read only and I don't have permission to write it.Damned computer thinks it's in charge...Time to show...
View ArticleSDK • Re: Get Substrings using Delimiter
strtok probably comes closest to meeting the OPs requirement "As efficiently as possible". To avoid reentrancy issues, you can use strtok_r.Statistics: Posted by carlk3 — Sun Mar 31, 2024 8:37 pm
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HATs and other add-ons • Re: NVMe useful commands and disabling APST.
I stay on gen2 with APST disabled.On gen3 can do some hang 1 of 10 booting.Wifi scanning at same time hdparm test can be unstable on some case.On gen2 seems totally stable 10/10.The shielded cable...
View ArticlePython • Re: control 30 servo pill deepener
You probably want two PCA9685 servo control boards (16 channels each):https://www.adafruit.com/product/815It's not going to be easy.Statistics: Posted by ame — Sun Mar 31, 2024 8:59 pm
View ArticleC/C++ • Re: Need help to build a working make file
IMHO, manually writing and maintaining Makefiles is a waste of time. These days, CMake is the de facto standard for building C++ code. Even though the syntax takes some time to get used to, it's not...
View ArticleTroubleshooting • Re: Delayed boot process probably caused by rc.local
Here is the output of systemd analyze blame:Code: 4.482s NetworkManager-wait-online.service1.271s raspi-config.service1.145s dev-sda2.device 747ms bthelper@hci0.service 707ms accounts-daemon.service...
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Assistive technology and accessibility • Re: New to the raspberry pi and need...
I change the subject as orca goes, I kinda need it to start at login in order to adjust and make changes to screen reader settings if there is something wrong with using orca at start then I guess I...
View ArticleRaspberry Pi OS • Re: Installing and running omxplayer under Bookworm (on a 3B+)
But why go Bookworm not Bullseye on that Pi3?Indeed. The simplest solution would just be to run an older version. Most of my Pis run Jessie, since that does everything I need and does it...
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