General • Re: Transfer data over wifi for pico for a high sampling rate
Did you acquire and transfer 200ksamp of data for each second over the usb?Yes I did on Pi4 but not on PI5 ;-(It is possible to increase the transfer rate by using only the resolution of ADC which is...
View ArticleNetworking and servers • Re: Self hosted site very slow from outside
Could it be that your Virgin Media connection is faster for download than upload? They often are. Mine is something like 220Mb/s down and 25Mb/s up.Yes, I'd expected that (and also get around 25Mb/s...
View ArticleCamera board • Re: Picamera2 capture_circular no preview
Cheers !I find picamera2 challenging enough without examples that don't work .Statistics: Posted by gordon77 — Wed Feb 21, 2024 1:56 pm
View ArticleTroubleshooting • Re: RPI 4b not booting from SD Card.
Have you done as requested earlier.check your HDMI cabling and EDID status:power off your PIremove the SD cardpower on the pi.- you should get the diagnostic display as shown below. Pay attention to...
View ArticleTroubleshooting • Re: problems with apps on rpi5
Get an x86 PC and run Windows.However I see Metatrader runs on Android too?You could try Konsta's Android for Pi5.https://konstakang.com/devices/rpi5/AOSP14/That has a better chance than a hacked up...
View ArticleTroubleshooting • Re: An app that works on Pi4 fails on Pi5
Probably not a hardware issue, more likely to be the new networking software setup in the Pi 5 running the “Bookworm” version of Raspberry Pi OS. (I see they AirVPN do not have a Pi 5 to test)Do they...
View ArticleTroubleshooting • Re: Waveshare 4.3" Capacitive works, but touch doesn't
For anyone trying to get this touchscreen working on a Raspberry Pi 3B+ do the following.Look for this line on the config.txt# Enable DRM VC4 V3D driverdtoverlay=vc4-kms-v3dmax_framebuffers=2and...
View ArticleGraphics, sound and multimedia • Re: Raspberry Pi5 and VGA666
I'd expect it to use exactly the same timings.But you'll need an adaptor for the DB9 RGBI connector. You might need to build your own! Perhaps someone else has tried this and can advise?If the monitor...
View ArticleAdvanced users • Re: Image File Utilities
What is the point of specifying a size if it is then ignored?It isn't ignored, it creates a file system of the size you expect but it doesn't write huge blocks of zero's that aren't necessary.You have...
View ArticleTroubleshooting • Re: Is my analysis correct? Networkmanager waiting at boot
My apologies for late respons. I have solved the problem I think. Restoring the wifi network-extender helped. But what helped most was the discovery of a service running since I installed the NVMe,...
View ArticleGeneral • Re: Jumbled TCP requests
Firefox makes other requests in the background too (DNS, network connectivity checks etc) which will interrupt the continuity.Agreed. But that appears to only cause multiple increments which, as said,...
View ArticleTroubleshooting • Re: Grey screen on boot Pi5/4b
I thought feh was a command line image viewer that does not need a full desktop but nevermind that.feh needs the desktop. Are you thinking of fbi which doesn't?Statistics: Posted by thagrol — Thu Feb...
View ArticleCompute Module • Re: Sporadic Kernel Panic during PCI Scan on CM4
Are you using an evaluation add-in board with the switch or your own design?If using an add-in board, does PERST_N float high with the CM4 RUN pin held low (or glitch high during power-on...
View ArticleRaspberry Pi OS • brcmfmac problems with IWD on RPiOS
We have been using iwd to manage the wifi for a number of years on our RPi based Audio player installation. iwd is very fast (compared to wpa_supplicant) and very well supported even on our RPis. It...
View ArticleTroubleshooting • Re: RPi5 shuts down after 15 seconds
Adding the two lines gets me at little longer.Able to boot into the ui, wireless working.Tried running Code: apt upgradea couple of times, but after 30 seconds it shut down again.But now at least I'm...
View ArticleFrançais • Re: Pb X après mise à niveau vers Bookworm...
Si je désactive lightdm :Code: $ sudo systemctl disable lightdm.serviceau redémarrage j'ai accès au prompt tty, et je peux y taper des commandes...Mais si je démarre lightdm :Code: $ sudo systemctl...
View ArticleBeginners • Re: SPI Question
Let us now assume that I set a resistor of 1.2kohm at 24v. But which resistor? (between A and wiperW??)Statistics: Posted by dbrion1 — Thu Feb 22, 2024 2:13 pm
View ArticleMicroPython • Re: Loading Micropython on to Raspberry pi pico
Thonny keeps an on-line record of what the latest firmware is, which I believe is at the URL mentioned in the pop-up of the OP -https://raw.githubusercontent.com/thonn ... mware.jsonThat appears to be...
View ArticleBeginners • Re: Grove - RGB LED Matrix w/Driver - can you use it with...
Thanks for your reply. The problem is that i have many of GPIO users for screens, buzzers etc so that 4 pin option which i bought seems to fit best for me. Does anyone know if the one i posted above...
View ArticleSDK • Re: core used for hardware alarms
Use alarm_pool_t *alarm_pool_create(uint max_timers, uint hardware_alarm _num) or alarm_pool_t *alarm_pool_create_with_unused_hardware_alarm(uint max_timers) from core 1 to create your own alarm pool,...
View Article