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Graphics, sound and multimedia • Frambebuffer not working for Video display
Hello, I am pretty new in this forum, so sorry in advance if I don't know some etiquettes I want to loop two videos on two screens and they have to be in perfect sync. I am following this person's...
View ArticleGeneral discussion • Re: New Raspberry Pi PMIC partnership
It makes one think why existing vendors don't continue on to the next development. A PMIC supplier might be willing to take less than 40% gross margins for the publicity having a chip on a popular...
View ArticleGeneral discussion • Re: OpenCV and rpicam C++ examples
Are you running Raspberry Pi OS Bookworm 64-bit with desktop on a Pi5 or something else?Is the camera a Raspberry Pi Camera Module v2 with the Sony IMX219 8 megapixel sensor?Does libcamera-hello work...
View ArticleTroubleshooting • Re: High Load
Also today even after optimizing my scripts as much as possible, with around 10 second delays between them, instead of 1 secondI got a load of around 22 and that reached the 15 minute averageI did...
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General discussion • Re: Fun 3D printed Pi5 case!
I'm on the practical side of the spectrum. The Zero case also works with Zero2, and the "B" case works with all B variants.https://www.printables.com/model/24751- ... board-caseStatistics: Posted by...
View ArticleGeneral discussion • Re: Metallic enclosures and wifi/bluetooth degradation
I recently started using a plastic case instead of my aluminum enclosure (photo above). I can not say i have seen any improvement on wifi throughput, however, bluetooth is definitely better now. I am...
View ArticleBeginners • Re: Uses for a Pi Zero 2W
Your 20 years of software development experience does not seem to include any web searching skills.@ame If you know where @piedpiperson could find information to answer their question, you may want to...
View ArticleGeneral discussion • Re: Current measurement of pi5 using multimeter
I use an INA260 to plot cellphone charging. It captures both instantaneous voltage and current (or just power). They sell for $10. I use a USB cable with the VBUS line cut, in order to insert the...
View ArticleSDK • Re: Swaping bytes when DMA_SIZE_16 - changing byte order to big endian
I don't know the answer, but you can at least minimize the CPU by using __builtin_bswap16, which, with any luck, will compile to a REV machine instruction. (And maybe you can process chunks at a time...
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Other projects • Switching Android board with RPi5 in Sunmi K2 kiosk
Looking for some help. I have the Sunmi K2 digital kiosk (capacitive touch, 24in screen, thermal printer, NFC, camera) but it's running Android software.I've developed some software on a RPi5 and...
View ArticleGeneral discussion • Re: dont work "backup" of sd card from a old...
Read https://pip.raspberrypi.com/categories/ ... -9-PCN.pdfStatistics: Posted by drgeoff — Mon Jun 03, 2024 10:08 pm
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Graphics, sound and multimedia • Illuminating e-Paper
Been working on a project for fun, mostly to learn Fusion and 3D printing. It's a frame for e-Paper, and I want to illuminate it so it's visible in the dark as well. I tried the model below, but as...
View ArticleRaspberry Pi OS • Re: How to install Raspberry Pi Buster?
Any ideas?Try asking the folks behind "pibooth" for help and advice.Statistics: Posted by thagrol — Mon Jun 03, 2024 10:27 pm
View ArticleCamera board • What's the deal with NoIR camera, PlantCV and Band indexes?
So... I want to be able to detect and ID seedlings of crops and weeds to advance the [open weed locator][https://github.com/geezacoleman/OpenWeedLocator] to make more cost effective the outphasing of...
View ArticleGraphics, sound and multimedia • Re: Illuminating e-Paper
Modify a book light like https://www.amazon.co.uk/DEMPOWER-Readi ... B09YVCFZFV ?Statistics: Posted by trejan — Mon Jun 03, 2024 10:39 pm
View ArticleGaming • Re: Retropie room gemes where to get?
Classic Video Game Console ROMS are not difficult to find on the internet, and are often times considered abandonware.AIUI legally there is no such thing as "abaondonware". Software being abandoned...
View ArticleCamera board • Re: video surveilance software using libcamera
I wrote a motion detection program in Java that will take a photo using rpicam-still and save it on the local disk or email it. If you want the source I can post it here for you. It really needs a Pi4...
View ArticleBeginners • Re: permission denied scp file transfer error
Show us the exact command you're trying to use. Wrap it in code tags (look in the menu bar above the text entry box).And make sure that the username you use for the scp comand is that of the user on...
View ArticleGraphics programming • OpenCL on Zero 2 W? Re-implementing ye olde...
So this guy presumably developed OpenCL 1.2 for the RBPi 3:[VC4CL][https://github.com/doe300/VC4CL]It's my understanding that both the RBPi 3 and the zero 2W have the same GPU: the VideoCore IVSo if...
View ArticleTroubleshooting • Re: RPI3 ALSA no soundcards found
Have you created a new user? If so you may not have membership of the audio group.Try ‘sudo aplay -l’ that should flush out if this is an issue.Statistics: Posted by Doug_ — Mon Jun 03, 2024 11:05 pm
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