Graphics programming • DRM_IOCTL_WAIT_VBLANK Details
Anybody know how DRM_IOCTL_WAIT_VBLANK works on PI4/Bookworm with respect to the returned vblank_time_value? Capture the monotonic time via clock_gettime(CLOCK_MONOTONIC, ...) immediately after the...
View ArticleTroubleshooting • Re: PinFactoryFallback: Falling back from lgpio: 'can not...
Pi5 Bookworm with updates as at today (12 September) - all seems to be working fine with gpiozero blink.Statistics: Posted by neilgl — Thu Sep 12, 2024 9:14 pm
View ArticleRaspberry Pi OS • Re: Blurry windows during remote connection
what is your connection type, doesn't seem fast enough. (wireless/ethernet)Statistics: Posted by kerry_s — Thu Sep 12, 2024 9:16 pm
View ArticleOther projects • Re: Raspberry pi control of vehicle flashing lights (I’m a...
Ok, well I think you need to approach this project from the top down. That is to say, choose some lights that are easy to fit, and work back from there. I don't think you can just focus on the...
View ArticleClik here to view.
Troubleshooting • Re: Bookworm feedback thread
After the latest update to Chromium, hardware acceleration is totally gone. It is "on" in the settings.I have completely uninstalled and then reinstalled Chromium-browser to no avail. Even changing...
View ArticleClik here to view.
Beginners • Re: Raspberry Pi 4 Model B and monitor "Out of range"
The solution was to connect the Raspberry to a 4k monitor (a monitor with an EDID that worked well with the Raspberry would also have been correct). With this 4k monitor I configured a lower...
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 ArticleClik here to view.
Troubleshooting • Re: Raspberry Pi 5 USB Gadget Mode, none of the tutorials...
I have a new RPi5 that I'd like to use in USB gadget mode, but none of the tutorials I have found work for me. I have a few RPi4s that I connect to regularly as USB gadgets but I'm struggling with...
View ArticleAdvanced users • Re: Image File Utilities
I understand /mnt is excluded in the backup which makes sense. That's why I asked whether a different mountpoint like /NAS/<external drive name> will be saved in the backup and...
View ArticleAdvanced users • Re: Testing class A2 SD cards with Command Queueing on Pi 5
Recently got a SanDisk Extreme Pro 128GB. As others have reported, it performs very well. I tested it fresh, with a TRIM run for good measure and with force_turbo=1:Seq write: 68624 KB/sRandom write:...
View ArticleGeneral • Re: Official RP235xB boards?
Interesting. I wonder the difference in overclokability is only due to RP2350A vs B?Statistics: Posted by melberi — Fri Sep 13, 2024 8:46 pm
View ArticleAutomation, sensing and robotics • Re: Multidrop Serial
Thank you. Both excellent answers with helpful resources. These have helped me progress the journey substantially. Much gratitude.Statistics: Posted by EulerTourist — Fri Sep 13, 2024 8:47 pm
View ArticleBeginners • Re: IRF520 MOSFET Module control via PI
I recently purchased a Raspberry Pi 5 with the intention of using it for hobby projects and potentially for work. However, my experience has been deeply disappointing. Many libraries, including...
View ArticleGeneral • Re: raspberry pi zero w connected to pico. can't mount CIRCUITPY...
Here's the distroroot@weathervot:~# uname -aLinux weathervot 6.6.31+rpt-rpi-v6 #1 Raspbian 1:6.6.31-1+rpt1 (2024-05-29) armv6l GNU/Linuxroot@weathervot:/etc# hostnamectl Static hostname: weathervot...
View ArticleBeginners • Re: RPI 27w power pack spcs
And if the sink doesn't do USB PD it defaults to 5V, 3A which should be safe for most (all?) USB powered devices.FTFYStatistics: Posted by davidcoton — Fri Sep 13, 2024 9:09 pm
View ArticleCamera board • Re: Image capture QtGI or Zoom In
If you are happy with the zoom/crop and the lower resolution (2x2 binned 3072x 1728 for a 1536 x 864 image) provided by the default preview configuration, then there is no need to define a still...
View ArticleClik here to view.
Automation, sensing and robotics • Re: code PIR motion sensor to trigger a...
thanks Gordon for the link and schematic.since i could not find that specific relay in USA, i got this from ebay https://www.ebay.com/itm/255142106413 insteadit seems to be working great so far!very...
View ArticleGeneral • Re: SD card codes and microSD card module altogether working with
(1) SD card code for Raspberry Pi Pico and microSD card module can be used without modification to it?Look at carlk3's project.(2) If UHS-I is demanded, the pico-extras SD card codes working without...
View ArticleRaspberry Pi OS • Re: I can't watch youtube or imdb videos on chromium browser
I just saw a leepsvideo on that topic, including fixes--maybe it will solve your problem:https://www.youtube.com/watch?v=ihygaqzzGVsStatistics: Posted by jerrymxfb — Sat Sep 14, 2024 7:30 pm
View ArticleOther RP2040 boards • Re: RP2040 problem reading an analog pin potentiometer
You might have it wired wrong, check the spec for which pin is the wiper, its usually not the one you would guess.OP states it's the middle pin. Which pin do you think it should be?Statistics: Posted...
View Article