Networking and servers • Multidrop Serial
Hi, I'm setting up the following MultiDrop topology along 2.4km of rail line. There are 24 devices on the bus. I have available 2 pair shielded cable along the length: 1 for power, 1 for RS485 (I...
View ArticleGeneral discussion • Docker intermittently uses IPv6 despite disabling IPv6...
Hi everyone,I'm running Docker on a Raspberry Pi 4 (8GB model) with Raspberry Pi OS, and I’m facing an issue where Docker intermittently attempts to use IPv6 addresses to connect to Docker Hub, even...
View ArticleGeneral discussion • Re: A Pi Pie Chart
Thanks for posting! I find it interesting how much better RISC-V performs on the integer calculations compared to the floating point. I wonder if that will change and whether the reduced precision...
View ArticleGeneral discussion • Re: Gnome4
what rpi modelyou want at least a rpi4-4gb or a rpi5-4gbinstall the lite version + gnome for the best results.Statistics: Posted by kerry_s — Fri Sep 13, 2024 3:56 am
View ArticleBeginners • Re: Analog voltage pattern matching
Thank you very much for the detailed explanation. I realize now I over complicated the problem initially, and your recommendations should be within my skill level and work well. This is a …when I have...
View ArticleMicroPython • Re: MicroPython Library for Ultrasonic Sensor with noise filter
Hello everybody,I would like to share the MicroPython Library for Ultrasonic sensors that can works with Raspberry Pi Pico boards.This library also supports to print custom characters on LCD...
View ArticleNetworking and servers • Re: Multidrop Serial
Here's a good article about building your RS485 network:https://www.analog.com/en/resources/tec ... rated.htmlIn terms of protocol, you can roll your own, or fit in with the protocol used by the...
View ArticleNetworking and servers • Re: RAID setup problem
You actually needed only the last command, all separate formatting HDDs is not the way btrfs works. It does format and RAID in one action, the profiles options determine what type of RAID it is. The...
View ArticleGraphics, sound and multimedia • Re: 7 Inch DPI screen isnt working with...
Use GPIO extenders of sufficient length. Maybe your jumper wires are causing the issues.viewtopic.php?p=2250568#p2250503Use the generic_dpi overlay. You have to timings provided by WaveShare, so...
View ArticleGeneral • Re: More GPIO - how ahout 23, 24, 25, 29?
Had you considered using a I2C bus expander, at least for the slowerupdating digitsBWStatistics: Posted by cadcam — Fri Sep 13, 2024 5:51 am
View ArticleClik here to view.
Troubleshooting • Re: Raspberry Pi 5: USB and Ethernet Ports Not Working
Unfortunately, I've tried pretty much every permutation of keyboard/mouse combinations and none work Pi is in a case, so I'll probably try and replace itWhere did you install the OS to ? USB-device or...
View ArticleBeginners • Re: RPI 27w power pack spcs
In the general case I'm certain you're correct. But this thread is specifically about the official 27W PSU and that has a captive cable which I presume is suitably rated. Or it wouldn't be on sale.It...
View ArticleHATs and other add-ons • Re: HW RAID
My gut feeling at this time is that, as already syggested, OP is being cheap, has seen a few buzz words (EXSi, hardware RAID), seen a couple of "funky" products, but hasn't done their own (basic)...
View ArticleGeneral • Re: Official RP235xB boards?
May not be an issue for most but be aware that neither of the Pimoroni boards will overclock above about 320MHz. The Pico2 is no issue up to 400MHz.The issue is not the PSRAM as even with that removed...
View ArticleTroubleshooting • Re: Pi 5 not accessible by other Pi’s Mount
Hi Folks!Found a solution of a GUI access (the yellow file folders icon – pcmanfm) to my shared files so posting for others. May not be THE correct way but works.The files were not available via the...
View ArticleTroubleshooting • Re: Cannot properly scan system for error: fsck at reboot...
TryCode: sudo tune2fs -c 1 /dev/mmcblk0p2The one "1" means check every boot.Reboot to check the drive. ThenCode: sudo tune2fs -c 0 /dev/mmcblk0p2to stop checking every boot.Statistics: Posted by AndyD...
View ArticleGeneral • Re: I2C read on c sdk vs Micropython in Pico
@breaker, actually it looks like OP mentioned only I2C scan for MicroPython and C in the beginning, so I guess I'm not sure if OP has managed to get a breakout board I2C fully working with a Pico with...
View ArticleGraphics, sound and multimedia • Re: Play spotify offline on a raspberry pi,...
as far as i know they are possibleStatistics: Posted by JaylaMejia — Sat Sep 14, 2024 1:57 am
View ArticleBeginners • Problems with Pico SDK for new users
For years I have been avoiding the ARM processors but the RP2040 had some interesting features worth trying. The hardware seems to do what they say but the SDK that that is meant for it is useless for...
View ArticleAutomation, sensing and robotics • How to control low voltage AC motors
I'm looking to control four of these from an RPi: https://ecojay.com/uploads/1/3/5/5/1355 ... _specs.pdf. I need to deliver power to either the "open" or "close" terminal, and read the state from the...
View Article