Python • Re: Pi 3b 2gb performance with opencv
There ain't no such thing as a "Pi 3B 2gb". Care to tell us which Pi model you actually have?Statistics: Posted by thagrol — Sun Dec 31, 2023 12:29 am
View ArticleTroubleshooting • Re: OK - so what's going to annoy me next?
Just to add wrong fs type, bad option, bad superblock on /dev/sdc1, missing codepage or helper program, or other error.Again this is more to help others - Code: # umount /mnt/btrfs # btrfs check...
View ArticleTroubleshooting • Re: Web browsers not working
Do you get the same behaviour when using a directly connected montior rather tha RDP?If you don't, the issue is with your choice of protocol, server, and client.For anything more specific you need to...
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Troubleshooting • Re: Raspberry Pi Python Memory Leak
All,I note that all of you who tested my code did not experience continuous memory leaks. I too experience a brief increase then decrease of the memory at the start of my tests but then it quickly...
View ArticleGeneral • How can I ensure memory coherence between cores?
I'm attempting to update my TensorFlow Lite Micro code for the RP2040 by adapting the latest CMSIS-NN code to split a matrix multiply across both cores. I've done this successfully with earlier...
View ArticleSDK • Re: Problem with WS2812_Parallel example past 7 rows
Is it possible to rehash the pio code using jumps so that there is never an attempt at the mid-pulse change?EDIT: probably not because of the parallelism.Statistics: Posted by pidd — Mon Jan 01, 2024...
View ArticleTroubleshooting • Re: Pi5 8GB Debian 5.1 SSD Boot Fail
It would help if you specify clearly how did you create image on SSD.I suspect /boot/firmware/cmdline.txt has SD root partition instead of SSD. Can you show us:Code:...
View ArticleBeginners • Re: Break Beam False Triggers
The problem with your original wiring becomes clear if you consider the current flow through the sensor transistor. Pi 3v3 supply, pull up resistance, gpio pin, yellow wire, transistor, external...
View ArticleAdvanced users • Re: Is everyone happy with the quality of libgpiod?
Any opinions on whether or not 'gpioget' is "overstepping its bounds"?In respect of doing what, and under what circumstances ?As far as I can tell, if 'libgpiod' 2.1 and its utilities are implemented...
View ArticleBeginners • Re: New to geany and python: Cannot run code
You're going to need to give us much more information to get any useful, specific help.For example: (a) EXACTLY what is the full error message you receive?(b) What python code are you trying to run?...
View ArticleGraphics, sound and multimedia • Re: TIDAL Connect installation!
Hi All,I was able to figure out Tidal Connect control protocol implemented in speaker_controller_application and I've created Volumio plugin that integrates Tidal Connect. I could post it on the...
View ArticleGeneral • Re: How can I ensure memory coherence between cores?
Sometimes stack frames get surprisingly largei sometimes had similar problems with my ext2/ext4 driver, and i found some tricks to help with thatfirst, compile your project with -fstack-usageyoull...
View ArticleDevice Tree • Re: failed to add spidev0.2 device
It is an Linux kernel built by myself, using the kernel source from Raspberry repository, version 5.15.y.The version shows 5.15.92-v7+ by uname command.Without dtparam=spi=on, no spidev would exit.The...
View ArticleBeginners • Re: Pi-Hole + Wifi AP
Reboot has solved the issue. I am now done. Works really well.Statistics: Posted by DepstR — Mon Jan 01, 2024 11:46 pm
View ArticleTroubleshooting • Re: Raspberry PI 5 Red light with Flashing green light
Soldering temperature profile. RAM chips are BGA packages which are quite demanding to properly solder. Sometimes it can happen that the melting of solder is not proper. In that case sometimes contact...
View ArticleTroubleshooting • Re: Pi 5 not booting as spec - method to get rid of power...
No detected 5v/5A supply means booting from USB will pause and require a user confirmation via the power button inorder to continue.but one critical thing, is that it will display a green led while...
View ArticleGeneral discussion • Re: BULLSEYE Document for ZERO 2 W
The Pi Zero 2W has 512MB of memory and the RPios default swap space allocation is 100MB. A gui desktop system will have swap space problems which can be solved by editing /etc/dphys-swapfile to...
View ArticleTeaching and learning resources • Re: Advent of Code 2023
From a software development point of view I wonder how the make -j4 build-world compilation speeds compare. Are the RK3588 and 3588S single-board computers faster on the parallel make?For large...
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General discussion • Re: Any chance of a 16GB Raspberry Pi?
Use case for 16 GB. File server. You replace the 2 TB SSD with 4 TB. Now you need a file cache larger than 12 GB. (Based on the file mix in my file server.)Based on Web browsing, you have to double...
View ArticleAutomation, sensing and robotics • Re: Trigger reset on ATX motherboard
How would you recognize you server is locked up?Using the Pi to pull the reste line low and release it? Possible for sure, but why do you need a Pi for that?I'd recognize the server as being locked by...
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