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...
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 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 ArticleGraphics, 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
View ArticleCamera board • Re: RTSP streaming dimensions
If it is anything like libcamera-vid, the width and height has to match one of the camera resolutions listed in ....Code: rpicam-vid --list-camerasEdited code blockStatistics: Posted by pidd — Mon Jan...
View ArticleTroubleshooting • Re: Raspberry Pi 4 undervoltage using XL4015 buck converter
Don't double post. Thanks.Statistics: Posted by memjr — Mon Jan 15, 2024 3:58 am
View ArticlePython • Re: auto-py-to-exe or pyinstaller bundles python3 and requirement?
https://pyinstaller.org/en/stable/Statistics: Posted by memjr — Mon Jan 15, 2024 4:04 am
View ArticleRaspberry Pi OS • Re: Pi os bookworm no icons
is this forum still active?Seems it isStatistics: Posted by dbrion1 — Mon Jan 15, 2024 4:06 am
View ArticleNetworking and servers • Re: Sharing the Ethernet port to USB0
nmtui has an option to start interfaces and allow the interface to be used by a given user - possibly checking this may help?I've not tried this but maybe:Code: nmcli con mod usb0...
View ArticleTroubleshooting • Re: Meteo-Pi not working on Raspberry PI 5
Thank You for the post.That was part of my problem that /dev/serial0 was pointing to /dev/ttyAMA10 which is the new UART debug interface on the Raspberry PI 5.You can also add the following 2 lines of...
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