Advanced users • Re: Can't get PWM backlight to work on P4
I was able to get something working by utilizing the pwm-leds driver instead:Code: /dts-v1/;/plugin/;/ { compatible = "brcm,bcm2835"; fragment@0 { target = <&gpio>; __overlay__ { pwm_pins:...
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Beginners • Re: Keyboard Layout Handler dissapear on bookworm
Koge, thanks for the code sample (Bard, thank you, too! ),The code sample is very useful. However, in the past few days (or is it weeks? anyhow...) I have tried several similar hacks, to no avail. The...
View ArticleCamera board • Re: Purpose behind of raspberry pi sbc
, BTW a mobile is also "somewhat" general purpose... So anyone can run chromium directly on their mobile phones...Except a phone that can do what you describe does not cost $35 or $40, does it?Last...
View ArticleTroubleshooting • Re: Raspberry Pi 5 PCIe issues using geekworm X1001
How do I contact Geekworm?Please send us message by contact us by email: info@geekworm.com.Statistics: Posted by aBUGSworstnightmare — Thu Jan 18, 2024 6:24 am
View ArticleFrançais • Re: la lumière vert de mon Raspberry pi 3 A+ ne clignote pas
Merci pour la photo:Voici une photo de la puce MXL7704-r3je ne sais pas si vous avez déjà enlevé le 77004; Sinon, il ne ressemble à rien...au moins un autre composant a l'air d'avoir un peu brûlé...
View ArticleCompute Module • Re: Raspberry CM4 updating EEPROM - sdcard issue
The host OS will not matter, neiter the image to be flashed does.Why do you need to use the USB hub for this? Aeverything related to the host can be done via SSH. Connect the CM4IO directly to the...
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MicroPython • Re: How to get connected after a machine.reset
Actually, I got over the problem with that ENOMEM crash that tends to happen one good iteration after the token refresh. I added a gc.collect() directly before the token refresh just for kicks, and...
View ArticleBeginners • Re: Homemade power supply for portable use of Raspberry Pi 4
However, I haven't been able to make it work. Am I doing something wrong? Guess the battery is a lead battery ? Look for "lead battery 6v datasheet discharge voltage" diagrams: during discharge, the...
View ArticleGeneral discussion • Re: RPI-Clone & Bookworm
Thank you both for your prompt responses. It was as I suspected the firmware location change. I will try the fork https://github.com/framps/rpi-clone tomorrow.Does SD Copier have a cli version? - this...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Use Rpi 5 console UART connector as...
HelloMy Pi 5 arrives soon. I just spotted it has a 3 pin JST connector as the console UART. Can it be used as a standard ttl UART? I would like to receive 38400 bps data from rs422 (NMEA183) and it...
View ArticleGraphics, sound and multimedia • Re: Question about v4l2 bcm2835-codec...
I just switched my input data to YUV, converted it using libyuv, and everything looks fine. The problem is solved.The last question, when I pass RGB data to the encoder as input data, you said anyway...
View ArticleAdvanced users • power button shutdown
is it possible to make the power button shutdown without the power dialog?or assign a custom commandStatistics: Posted by Minecon724 — Thu Jan 18, 2024 7:14 am
View ArticleTroubleshooting • Raspberry PI 5 and NVME SSD
I just got the Pimoroni NVME base. I installed an SSD on the base and connected it to RPI5. It all works well. But there's one thing bothering me: I wanted to boot from a USB disk while NVME was...
View ArticleTroubleshooting • Re: Camera does not work after compile kernel
Thanks for the reply.While I try to open the camera by rpicam-hello, Kernel log shows the follwing error[ 1097.731530] rp1-cfe 1f00110000.csi: Failed to start media pipeline: -32also attached the...
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Graphics programming • Re: CPU load vs. GPU load
CPUs really aren't going to help much - if you were to run glxgears on cpu it would probably be 30 spf - seconds per frame. The real problem is going to be integrating the two such that the CPU...
View ArticleTroubleshooting • Re: Raspberry Pi 5, Camera Module 3 Amazon Kinesis Video...
Board version: 3 Model B or later.kernel version 4.9 or laterGet a Pi3 or 4 and Bullseye and try again.That is an old tutorial and will not work with the new kernel and Pi5.Statistics: Posted by...
View ArticleC/C++ • Re: why are memory barriers not used in projects like pigpio
@cleverca I don't think the problem only affects the bcm2835, because the same recommendation is in the bcm2711 datasheet. As for multiple cores, I think that out-of-order execution would only apply...
View ArticleTroubleshooting • Raspberry pi 400 with 2 LCD issues.
Hello. I am solving one problem. I have a Raspberry pi 400. I use 2 monitors for work. But sometimes I only need one monitor to work. Even if I have one monitor off, the Raspberry still adjusts the...
View ArticleOther projects • Re: Raspberry pi 5 UPS with 12v Buck converter
This does work. I am using a 12v 3A dc cig lighter input.Just remember to putPSU_MAX_CURRENT=5000in eeprom config. WIthout that it wont work.It seems:[config.txt][all]usb_max_current_enable=1may also...
View ArticleOther projects • Re: Pi 5 Portable Project Power Question
The Waveshare screen does have an additional micro USB port for power only, so I suppose I could theoretically use a buck converter to bring that 12v power output down to 5v and power the screen from...
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