Troubleshooting • Re: Non-Functional RPi 4B
In your reply you mention the flash sequence...it's correct for the refresh of the boot loader, but I don't get a flash sequence that matches anything in the trouble shooting table for the newly...
View ArticleGraphics programming • Re: Dispmanx is deprecated, but is it planned to be...
Follow-up question: Does there exist a replacement for vc_dispmanx_snapshot() + vc_dispmanx_resource_read_data() for snapshotting the whole framebuffer view into userland memory pointer in KMS? Or...
View ArticleAdvanced users • Re: prevent auto resize
I agree, this may have been ok back when it was just init=/usr/lib/raspi-config/init_resize.sh but not anymore today. The snippet I provided prevents auto-resizing while preserving all other...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: ttyAMA10 belongs to tty group, can't...
Here is my output from cat /proc/cmdline:coherent_pool=1M 8250.nr_uarts=1 pci=pcie_bus_safe snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 smsc95xx.macaddr=D8:3A:DD:C8:AB:A7...
View ArticleUbuntu • Re: Geekworm X1003 m.2 nvme pcie Ubuntu image
I was reading r/raspberry_pi for amusement and my new guess on OP's issue with their NVME is that the cable between the Pi and the X1003 was installed incorrectly.Are we not supposed to believe the...
View ArticleGeneral discussion • Re: Raspberry pi 5 could not boot up and stuck at fs_open
What is your application and how are you turning off the Pis?It looks like something is corrupting the microSD cards. Pulling the power without a correct shutdown can do this but is is fairly...
View ArticleBeginners • No planned obsolescence with the RP4b? Since Feb 2020 I have been...
HiNo planned obsolescence with the RP4b? Since Feb 2020 I have been running 2x seedbox (24x7) with a USB attached SSD.These things run and run, never break. Have others had similar experiences? Or is...
View ArticleGraphics, sound and multimedia • Re: Raspberry Pi5 and VGA666
Now that I have understood the system, I will first try to set the top and left margin and then to adjust the resolutiondoesn't sound like you've understood!First of all answer my question:Waiting for...
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HATs and other add-ons • Re: RPi 5 Active Cooling change configuration
I don't think you need a custom dtb...viewtopic.php?t=363549#p2180783Yeah, i didn't need a custom dtb stuff in this date. I just added those values to /boot/firmware/config.txt and it works. another...
View ArticleGeneral discussion • Re: Energy Saving Mode
Well... off is a mode, and it certainly saves on precious battery power.In all seriousness, depending on what you are doing, it may make sense to add the additional complexity to power the Pi off and...
View ArticleAdvanced users • Re: Image File Utilities
pidd,I haven't seen any occurrences of /boot/firmware getting unmounted during an image-backup.Hi RonR,I have also noticed /boot/firmware getting unmounted during an image-backup. I have (or rather...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: RGB touch screen
That screen uses SPI interface and RGB. You will need a driver for the ST7701S which uses the SPI for commands and DPI for display data. Sorry, don't know if the driver which is in the tree allows for...
View ArticleTroubleshooting • Re: no WIFI no LAN on new installed image Pi4
To be honest, I did not look into getting the wifi to work as I don't need it myself. Though I am curious to know as the wifi device(s) are recognized but do not get an IP..Only got eth0 to work.OOC...
View ArticleGraphics, sound and multimedia • Re: v4l2-ctl - Some USB Camera Controls...
I may have found the answer: It appears that Logitech simply doesn't support LED control on the "Brio 100/101" model camera. I installed their "Options+" app on Windows, and it does not expose any LED...
View ArticleTroubleshooting • Re: Need help with Telepot
Hi. Please be indulgent since i'm a beginner.I am trying to delete the outgoing message sent by myself to telegram without success.Here is the part of my script :Code: import timeimport oscurrentTime...
View ArticleOther projects • Re: Raspberry Pi LVDS Voltage Reader Project!
Why can't you use some suitable LVDS receiver?Which kind of LVDS data do we speak of here (what is the source)?The source comes from a Cars head unit. I will be working on my cars LVDS displays. I...
View ArticleGraphics, sound and multimedia • Re: 9 displays output
You have Pi4's, right?Use i.e.https://www.berrybase.de/usb-type-c-kab ... versorgunghttps://www.reichelt.de/schaltnetzteil- ... gKMAvD_BwEWould make some mounting fixtures to get all the HW placed in...
View ArticleNetworking and servers • Re: [31/01/24 getting Urgent] sharing connection...
I have two options hereget this setup working, I have tried with the linked provided but not got anything working yetor I get £80 powerline adapters, this is a last resortrunning an ethernet cable is...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: RPi 5 1-Wire / DS18B20 is unstable
Why would more sensors and/or longer wires on harness (C) mitigate the RP1 timing issue discussed in this thread?Simple! The delay for the driver kernel are too slow. Adding more sensor and length of...
View ArticleAutomation, sensing and robotics • Re: Motozero motor doesn't stop
Hi,Thanks for the thorough reply. It is the motozero product you refer to and I have read the manual that you link to. The chips are the correct way round (I have swapped the positions of both this...
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