Camera board • Re: Sync 6 HQ cameras (RPi4)
Hi,The quiescent level should be 1.8V, pulsing to 0V.There was an issue before the "always-on" option was added. Idle cameras would sink large currents, and confuse the others. The workaround was to...
View ArticleNetworking and servers • Re: Regarding POE+ injector.....
Ok, thanks for clarifying. ...Statistics: Posted by KeithMck — Tue Mar 25, 2025 10:16 am
View ArticleTroubleshooting • Re: Environment is externally managed?
I'm trying to install libraries when doing thatStatistics: Posted by QueasyCarBoy — Tue Mar 25, 2025 10:26 am
View ArticleTroubleshooting • Re: No wifi on Ubuntu and display problem
Maybe have a look here for Ubuntu support for the Raspberry PI range of computers viewtopic.php?t=369919and maybe cross check it is all working hardware wise by using Raspberry Pi OS on a separate...
View ArticleOfficial Display • Re: Touch 2 framebuffer depth
The output to the Touch Display 2 is always 24bpp over the dsi link. The format of the framebuffer is independent of that bit depth as you have a composition step in the hardware. LVGL supports drm...
View ArticleRaspberry Pi OS • Re: Trixie 32 bit is incomplete
I assumed that since the rpi-update stable kernel went to 6.12.y that an update to Trixie was imminent, but that does not appear to be the case.The Raspberry Pi OS kernels are not fixed like the...
View ArticleSDK • Re: RP2350 ISR Hardfault on FreeRTOS SMP
BFAR=0x0002f938- ADDRESS = 0x0002f938Not sure if you or anyone else has any idea what could be at 0x0002f938? Also it appears as though there are multiple exceptions due as RETTOBASE = 0b1If that is a...
View ArticleTroubleshooting • Re: Zebra printer issues
I'm using https://pypi.org/project/zebra/ and https://pypi.org/project/zpl/. The code work perfectly on my windows machine.I connected my Zebra ZD411 to my raspberry pi. Set it up using CUPS. It is...
View ArticleGeneral discussion • Re: CM4 symbol and footprint
I am using Xpedition PCB design software from Siemens, previously known as Mentor Graphics Xpedition PCB. I need to add Compute Module 4 (CM4002008) in the schematic and PCB layout design. How can I...
View ArticleOther projects • Re: Fullscreen stopwatch display with external start/stop...
Here's some old code, you may need to replace RPI.gpio,viewtopic.php?t=204237#p1269422Statistics: Posted by gordon77 — Wed Mar 26, 2025 9:25 am
View ArticleRaspberry Pi 400 and 500 • Re: Portable PS for Pi500 + 15.6"LCD
Occam's Razor would suggest that the RTC didn't move from where the Pi5 has it.I have not pulled my 500 apart yet to see if it is the same PMIC, but that makes sense.Others have and so it is possible...
View ArticleCamera board • Re: Two different kinds of Raspberry Pi 2018 HQ Camera V1.0
I've just reread your original post.Schematics are at https://datasheets.raspberrypi.com/hq-c ... matics.pdf. My read of it is that removing R8 would mean that the sensor never comes out of reset...
View ArticleCamera board • Re: How to develop drivers for the unsupported camera IMX415...
"libcamera-still -t 55000" would run preview for 55 seconds and then take a still (although it isn't given a filename to save it to).Do you get any debug information out of the application saying it...
View ArticleRaspberry Pi OS • Re: Ssd used on pi4 for pi5
See also viewtopic.php?p=2305640#p2305640Statistics: Posted by redvli — Wed Mar 26, 2025 9:52 am
View ArticleGeneral discussion • Re: Does it make sense to make a laptop with Raspberry...
The Argon CM5 based laptops has taken a step further as it is now notified on KickStarter. https://www.kickstarter.com/projects/ar ... e-5-laptopThough it says nothing here about keyboard layout...
View ArticleAI Camera - IMX500 • Re: CCTV security environment
Can you read the MP4 files in other softwares, including on a windows pc ?Statistics: Posted by gordon77 — Thu Mar 27, 2025 8:31 am
View ArticleTroubleshooting • Re: Raspberry Pi is dying all the time
I wouldn't. That could/will pull in a lot more than just the kernel and related modules.Too late. After the update the issue became worse. Now the system is only some minutes available before...
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Raspberry Pi OS • weird GPIO issues on bookworm
hello all,i am in the process of building a custom car headunit based around a Pi3, i have got the majority of the system itself working but i am struggling with one thing that seems to be a software...
View ArticleTroubleshooting • Re: raspPi 4B i2c cannot detect address
Hello neigl,it is not good that cannot upload a image to show the waveform of SDA.1 and SCL.1.I want to say that 1month ago, I used this rasp Pi device to control outside board to do DC-motor running...
View ArticleTroubleshooting • Re: Creating a WiFi hotspot
I normally follow the official documentation at https://www.raspberrypi.com/documentati ... le-hotspotThat is what I did, is it not?Command line only; no GUI.Statistics: Posted by rwb — Thu Mar 27,...
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