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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
View ArticleTroubleshooting • 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...
View ArticleРусский • 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,...
View ArticleSDK • 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
View ArticleTroubleshooting • 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...
View ArticleAutomation, 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...
View ArticleSDK • Re: unexpected byte order
We tend to humanly read left to right so a 16 bit word would be low order on the right, high order on the left but we read left to right so I somehow was visualizing the byte map as 0, 1, 2, 3, 4,...
View ArticleGraphics, 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...
View ArticleTroubleshooting • 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
View ArticleAdvanced 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...
View ArticleSDK • 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,...
View ArticleTroubleshooting • 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...
View ArticleAdvanced 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...
View ArticleGeneral • 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 —...
View ArticleBeginners • 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),...
View ArticleGeneral • 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...
View ArticleTeaching 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...
View ArticleSDK • Re: How to get and display IP?
Code: ip4addr_ntoa(netif_ip4_addr(netif_list))Statistics: Posted by adam_green — Mon Jan 15, 2024 3:31 am
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