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General discussion • Re: Raspberry pi 3A running slower then a snail?

Okay. So Basically this board is useless. If I can not run even vlc player.nothing modern is going to run on such low resources.that's not it's intended purpose. people who run headless servers make...

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SDK • Re: IRQ Between State Machines

Thanks for the help! I really appreciate it. You really know this chip well! I am impressed. Statistics: Posted by LemonPi — Sat Jan 13, 2024 3:15 am

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Troubleshooting • Re: Removable drives and permissions

Any Linux drive type (eg. ext4, reiserfs, btrfs, etc.) is much easier to use than anything belonging to Windows (FAT, vFAT, exFAT or NTFS). For networked drives nfs will be much easier to use than...

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Русский • SDA и SCL

Всем привет!Есть два сенсора которые оба используют порты SDA и SCL физически это порт 3 и 5. Как их подключить? Как правильно написать код в таком случае?Statistics: Posted by shef777 — Sat Jan 13,...

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SDK • Re: PIO - Masking X register for JMP instruction

How fast are the expected edges?Statistics: Posted by adam_green — Sat Jan 13, 2024 4:06 am

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Troubleshooting • Re: Raspberrr Pi 5 does not boot (red and one flash green...

I've tried booting in several options:- No sd card, no ssd => no picture; red light, then green for a second, then red again- Sd card with Raspbian on it (just installed it with Imager) => same...

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Automation, sensing and robotics • Re: Help in finding servo/small linear...

You're probably best including a photo, CAD drawing, or atleast a concept pencil sketch with some dimensions marked. How thick is the cord, what diameter has the reel, how much force will the thing be...

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Beginners • HELP! I really need help getting values via I2C

Hi Guys.. I2C communication has bedevilled for far too long and i'm now trying to face my fears! Alright, so when i see an i2c code example in c, that someone has written, I will understand it.I will...

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Graphics, sound and multimedia • Setting framebuffer size issue

Hi,I use the following HDMI 3.5" touchscreen with the native resolution 480x320:https://www.waveshare.com/wiki/3.5inch_HDMI_LCDIt's installed on Pi 3 running the latest 'bookworm' OS Lite. In the...

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Troubleshooting • Re: Unable to connect to VNC, connection actively refused

Gah, my mistake. Not Ubuntu on my Pi. That's what I get for posting so late.Linux raspberrypi 6.1.0-rpi4-rpi-v8 (Debian)Statistics: Posted by bigfaceworm — Sun Jan 14, 2024 3:33 am

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Advanced users • Re: Running Windows Program on a Pi 4B

Oh dear. Microsoft software is not cross-platform. Sorry.If the code is custom written do you have the source? Then you could re-write it using open source tools and cross-platform applications. You...

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SDK • Re: Where does the DMA time go?

I'll try the idea of DMA transfer in 32 bit words, but only send out 16 bits at a time to the GPIOs. That won't require me to change the transpose function, since the DMA array will remain the same,...

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Troubleshooting • Re: RaspberryPi 4 Model B, Unable to login.

I do not understand the reluctance to use the tools in raspi-config to change localisation settings from GB to a new value such as US. It is quick and easy:Enter the command "sudo...

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Advanced users • Re: Is everyone happy with the quality of libgpiod?

... I'd certainly be dis-inclined to get involved with a project lead who may be completely out of his depth. What does this guy not get about persistence? Does he have a 'spring return' on the light...

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General • Re: Switching Circuit

I am not sure what you are actually trying to do but the circuit is rubbish.You are trying to drive 2 transistor bases in parallel.Use a separate resistor for each.Statistics: Posted by Milliways —...

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Beginners • Re: Multiple PIR Problem

not tested.Code: from gpiozero import LED, MotionSensorfrom signal import pausefrom time import sleepimport threadingpir1=MotionSensor(21)pir2=MotionSensor(20)leds = [LED(2), LED(3), LED(4), LED(5),...

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General • Re: Help me choose a wireless method for the Pico

Well, I decided to start with the nrf24L01 modules, and today I got them working pretty much flawlessly for what I need. I can read 3 joystick axis, put it into an array of three 8 bit values, and...

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Teaching and learning resources • Re: Advent of Code 2023

Is anyone else still working on these problems?I've been done for a while, but always on the lookout for better solutions. Days 23 and 25 in particular need speedier algorithms.I'll let you know when...

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Graphics, sound and multimedia • Re: Setting framebuffer size issue

With Bookworm, you need to set the resolution view the file cmdline.txthttps://www.raspberrypi.com/documentati ... ne-optionsStatistics: Posted by AndyD — Sun Jan 14, 2024 5:11 am

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Advanced users • Re: Buck converter DC DC stepdown for the RPI5

The DROK looks like the DC10 which should have absolutely no problem driving a Pi4 or Pi5.What did you have the current limit set to?What size cables were you using to the Pi4?Did you try setting the...

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