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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

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Troubleshooting • Re: Limited network speed on RPi5

For USB SSD transfer speed it helps a lot if UASP capable adapter is used. On my Pi 5 I get 367,4 MB/s on read test. Not bad but not great either. For me more than enough. I do play with idea about...

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Raspberry Pi OS • Re: bookworm Dec23 different on different RPi???

Wayland uses more memory than xorg hence smaller memory devices are defaulted to xorg.Statistics: Posted by pidd — Sun Dec 31, 2023 12:39 am

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Graphics, sound and multimedia • Re: RPi 5 composite 240p

Because it still went into other resolution than 240p?Or else?I was able to force Wayfire back into 240p mode using the display configuration, but then it still goes off the edge of the screen.it will...

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Troubleshooting • Re: Raspberry Pi 4b display cuts out but is still on

Update: I just tried using RealVNC Viewer (a 2nd time after it failed previously) to view the gui and it worked!!! I would still love to find out why it doesn't work when plugged into a monitor. I'm...

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Troubleshooting • Bluetooth audio issue

Here goes the new issue of my bluetooth speaker (Tribit Stormbox). After connecting and starting a playback the speaker produces (along with the proper audio) a cracking noise. There is a way to fix...

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Troubleshooting • 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...

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Troubleshooting • 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...

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General • 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...

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SDK • 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...

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Troubleshooting • 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:...

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Beginners • 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...

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Advanced 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...

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General • Re: How can I ensure memory coherence between cores?

So, I think I now understand what's happening in the full application. When I'm only using a single core, the stack can extend beyond the default 2kb limit because the memory it overwrites isn't used....

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Beginners • 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?...

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Graphics, 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...

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Device 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...

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Beginners • 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

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Troubleshooting • 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...

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