Troubleshooting • Pi 4B Undervoltage condition relating to modern HDMI...
Strangeness ... I have a flock of Raspberry Pi 4Bs, purchased about three years ago (post the update defaulting to USB boot vs. SD card). I've used them for all kinds of things, desktops, servers,...
View ArticleTroubleshooting • Re: Libcamera-vid app not capturing video
I am having the exact same issue. I am also using a Raspberry pi 5 and taking images works perfectly with my camera, however when recording video and the libcamera-vid saves the file as .h264 file...
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Troubleshooting • Re: Wayland can't mirror, X11 can't hotplug...
re-enable wayfire. in wayfire edit scroll to the output section and try 'mirror' optionMode can also be mirror <output_name>, where <output_name> is the name of another output. In this...
View ArticleGeneral • Re: Disparity in PWM outputs
The output voltage of a GPIO is not fixed. It depends on how much current it is sourcing or sinking. For low output level, the voltage will be close to 0V when not sinking any current and will...
View ArticleRaspberry Pi OS • Re: OS problem
Bookworm by default uses wayland and to start the gui from cli you use wayfire-piExcept on the Pi 4B 1GB and earlier Pi.Statistics: Posted by hippy — Thu Mar 21, 2024 4:47 pm
View ArticleNetworking and servers • How do you connect a “wired connection” to eth0?...
I’m trying to set up a the Alfa AHPI7292S halow hat, and it seems like it’s supposed to forward the connection to the Ethernet port but that doesn’t seem to happen for me.When I was trying to find...
View ArticleOther RP2040 boards • Re: Placement of decoupling capacitors in RP2040 board...
Personally I find the way most schematics are drawn with respect to decoupling capacitors very frustrating. The schematic provides absoloutely no idea of which pin, or even which chip the capacitor is...
View ArticleGeneral discussion • Re: Board doesn't boots on second run after shutdown
My raspberry Pi zero board is not booting after shutdown.You will have to unplug/plug in the power supply to boot after a shutdown. I was trying to install P4wnP1Not sure the relation to your boot...
View ArticleTroubleshooting • Re: Power from POE hat + USB C give strange sound
When I asked about dual powering for the 3B+ I was told that it was safe to have the PoE HAT connected while using USB power, and USB power could remain connected while powered by the PoE HATAFAIK...
View ArticleBeginners • Re: Intermittent Screen Blanks
No, I used Etcher to install 2023-12-05-raspios-bookworm-arm64-full.img.xz to my 128GB SD. I am definitely running Raspberry Pi OS 6.6 I think.You didn't use the official PI Imager to install the OS....
View ArticleOff topic discussion • Re: The Grounding Wire
So we have three wires in our electrical outlets. One is + (they call it phase here) which is the live wire. The other one is - (they call it neutral here) which is the one that completes the circuit....
View ArticleSDK • Re: Odd behaviour in wifi connection
When I've tested wifi-enabled microcontrollers in my home network, it's not uncommon at all that the first attempts to connect to the router fail, nor it is uncommon for the initial failures to be...
View ArticleGeneral • Can a DMA chain to do 0 transfers?
Hi,I'm just building something that needs to do repeating DMA transfers... if you imagine I had an 8K block, and I want to transfer multiple 1K pages into it (from PIO), and then loop back to the...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: OSError 16 When Attempting to Use CE1
Code: OSError: [Errno 16] Device or resource busyIt tells you the device or resource is busy, so what's using it? What has snatched the CE1 device?Statistics: Posted by DougieLawson — Thu Mar 21, 2024...
View ArticleDeutsch • Rechtsklick-Emulierung für Touchscreen
Hallo,ich habe mir letztens einen 7" Touchscreen für meinen RasPi geholt. Ich kenne leider die genaue Modellbezeichnung nicht, aber man kann jegliche Sorte von PC einfach per HDMI und USB für den...
View ArticleBeginners • Finding out the linux kernel commit for insalled OS
The following is the proposed approach to obtain the most suitable kernel commit for performing linux kernel cross-compilation.1. Suppose I have the entire commit history obtained by executing the...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Using I2C with the BQ27441, Raspberry...
Thank you for the reply.I am new to the device tree but it seems like there is conflicting information on whether it is possible to change the device tree without recompiling the kernel. This is a new...
View ArticleTroubleshooting • Re: Waveshare 7" DPI + RPi Zero W - display not working
viewtopic.php?p=2196094&hilit=waveshare+1024#p2196094Yeah, I can search too... I have searched these forums extensively and tried offered solutions. Nothing worked.two possible issues then:1. You...
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Beginners • Re: Zero 2 w / Pi-hole
My concern was rather if shutting down the little computer could increase the "lifetime" of it.Because my first pi zero w with Pi-hole took less than 2 years before breaking and I made a shutdown for...
View ArticleGraphics, sound and multimedia • Rpi5 kmssink on composite output
Hello, I'm trying to display an image on composite output using kmssink. I'm using Raspberry Pi OS Lite (2024-03-15). My pipeline is as follows:Code: gst-launch-1.0 videotestsrc !...
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