OpenGLES • Re: Pi4 export EGL image DMA-buf and import as libdrm framebuffer
[..]gut feel is that you should be able to pass exactly the same framebuffer handle you are using on the first crtc to the second one tooI can confirm that this does work. I do exactly that do spread...
View ArticleCamera board • Re: Raspberry Pi High Quality Camera DNG Format and Raspberry...
I just do not understand why when I run the GitHub DNG code, it produces a White and Grey Boxes image but in the Raspberry Pi OS terminal running " rpicam-still -r -o test.jpg " it produces a correct...
View ArticleBeginners • Re: Help with storage performance
Samsung Fit Plus USB 3.1 flash drive MUF-64AB: A review plus a speed test on a Pi 4.https://petermoulding.com/samsung_fit_p ... e_muf-64abStatistics: Posted by peterlite — Fri Apr 05, 2024 10:04 pm
View ArticleGeneral • Re: External ADC via SPI speed on Pi pico
I would start removing one part of the software after the other and measure time needed.- comment out the CS digitalWrite (although it is needed at the end, just get the time budget)- comment...
View ArticleGeneral discussion • Raspberry Pi 3A+ has silkscreen (c) date of 2022 ?
Pimoroni recently had a sale. with 3A+ reduced in price so thought I'd get one as I'm sure to find a use for it.Noticed that the (C) date printed on the board is 2022. Since the 3A+ came out in 2018...
View ArticleGeneral discussion • Re: Raspberry Pi 3A+ has silkscreen (c) date of 2022 ?
Mechanical (Form, Fit, Function) Changes• New DA9090 PMIC.• No other significant changesElectrical• New DA9090 PMICSoftware/Firmware Changes RequiredThis new product revision is supported in firmware...
View ArticleAdvanced users • Re: Bookworm 64-bit - PXE+NFS boot. Anyone got it working on...
Here's a simple approach that I just updated for compatibility with Bookworm (in addition to Buster/Bullseye).These scripts work with Buster/Bullseye/Bookworm (use pxe-add-bw with Bookworm until the...
View ArticleAutomation, sensing and robotics • Re: real-time object detection
I think my Raspberry version does not support the picamera2 library. So, what would you recommend that is fast and does not drop to make a real-time object detection project?Statistics: Posted by...
View ArticleOther RP2040 boards • Re: Debug Probe an I2C sniffer / logger
I don't know how to tell these apartIt's possible to change the PID, even the VID, to identify which is which and 'udev' might help with distinguishing on Unique ID.Something like 'DEBG' would perhaps...
View ArticleGeneral • Re: Connecting a lot of potentiometers to raspberry pi pico
Interesting setup, but possibly sensitive to noise as there are quite 'a lot of' analog wires through a not small setup.So long as you put a capacitor to ground on each pot wiper close to the ADC you...
View ArticleTroubleshooting • I am experiencing an inconsistent posterization effect on...
Here is a link to a video showing the effect: https://youtube.com/shorts/XZKbDCLbLPc As you can see the effect is not consistent. There seems to be some correlation to it being tapped or warming up to...
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General • Re: How to program the Pico from a headless Pi 4 ?
I stopped the Pico program and tried again. But is still doesn't work... I tried with rshell too but it doesn't work either... I added my user to "tty" and "dialout" permision groups... still no...
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Assistive technology and accessibility • Home Assistant OS
https://www.home-assistant.io/installation/Statistics: Posted by geev03 — Sat Apr 06, 2024 9:24 pm
View ArticleBeginners • Re: How to specific the vermagic for compatibility with Kernel
To build your own kernel, did you exactly use the instructions from this resource?https://www.raspberrypi.com/documentati ... ernel.html Building the Raspberry Pi OS Kernel : Made Easy implements...
View ArticleGeneral discussion • Re: Raspberry Pi camera issue on Raspberry OS 64 and 32 bit
What doesn't work?What are you trying to do with the camera?What software are you using?Is the camera detected?Statistics: Posted by rpdom — Sat Apr 06, 2024 10:08 pm
View ArticleTroubleshooting • VNC Pi4
I have enabled VNC on Pi4 but the icon doesn't show up. Appears it doesn't work. That a known issue?Statistics: Posted by TBL194 — Sat Apr 06, 2024 11:01 pm
View ArticleTroubleshooting • Re: USB Drives Problems after upgrading
Its triggered a kernel update, I think another thread suggested downgrading the kernel again?Statistics: Posted by pidd — Sat Apr 06, 2024 11:07 pm
View ArticleGeneral discussion • Re: Replace image from within
If it is a Pi4 or Pi400 and it still has Bullseye, does netinstall still work by holding down the shift key on boot? (but needs an ethernet connection to internet)Statistics: Posted by pidd — Sun Apr...
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Compute Module • CM4 Breakout Board won't boot
I made this breakout board (see Images)When I plug in the USB-C and the HDMI it doesn't boot (there is no HDMI output) and it makes quiet "beeping" (5sec then quite then again) sound.There is no...
View ArticleGeneral discussion • Re: Short note on Zero 2 W
Interesting, but what kind of stability issues did you encountered before lowering the frequency?Lowering the frequency reduces the power consumption, so are you sure that your issue wasn't related to...
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