Troubleshooting • Re: Using systemd and xinit to run feh on startup
I have now changed the setup to use fbi. Although in this specific case security is not an issue I am interested in how to make it more secure. At the moment I have auto login and fbi starting from...
View ArticleBare metal, Assembly language • Re: RPi 4B - MMU config with...
I have looked more in depth and there seems to really be something weird going on with high peri and MMU.I am using the highperi overlay now instead of setting the config.txt option which seems to be...
View ArticleGraphics, sound and multimedia • Re: CM4+2G Ram+384 GPU Ram+8GB Memory = 4...
Raspistill saves to a temporary file first, and then renames. That was to avoid other processes picking up part written files as the JPEG was passed back from the firmware.Have you got a file as...
View ArticleOff topic discussion • Re: 2024 Raspberry pi 3 a+ Boot problem
We're goin to need more than "I can't boot the system".I install the system on the micro SD card inserted in the Raspberry and the systems dont work, except the Pi Os. No system starts.That's no...
View ArticleMicroPython • Re: Dynamic USB Devices
Adding a 'USBDevice.teardown(True/False)' method which enables or disables the call to 'mp_usbd_deinit()' in 'main.c' on a soft reboot seems to have mitigated my tear-down problems.Statistics: Posted...
View ArticleBeginners • Total beginner with a bright idea but no knowledge to do it
Hi All,I am looking to create a device that sits on a network and when a number is typed into a keypad it will send a http command over the network to a third party device. Basically I have some...
View ArticleAdvanced users • Re: KEEP autostart terminal open like in UI
You should really be using your user's autostart file not the systemwide one. in /etc.Your autostart line doesn't run your code with sudo yet your manual command does. This may be a factor but it may...
View ArticleTroubleshooting • Re: gstreamer v4l2h264enc not working in recent kernel 6..6
This is kinda embarrassing. I booted up one older rpi4 with kernel (6.1.0-rpi4-rpi-v8) I think that's Bookworm? Flashed from PI Imager in 10/2023. The gstreamer script on there also halts on 0.00:01,...
View ArticleRaspberry Pi OS • Re: HOW TO: Open a terminal, keep it open and start a...
Sorry I did not see the other post.Statistics: Posted by neilgl — Wed Mar 20, 2024 7:20 pm
View ArticleBeginners • Re: Read a converted sensor value.
First figure out the output maximum scale of your sensor you will use. Converter it to the maximum voltage.Then figure out what will be the voltage reduction range you need for you A/D input. (maximum...
View ArticleFrançais • Re: Carte SD fonctionnelle sur 1 rasp mais pas un autre
C'est vrai que pour les dépôts de stretch, ça risque d'être compliqué pour y avoir accès.Donc je plussoie sur la sauvegarde avant de lancer un rpi-updateStatistics: Posted by PhL91 — Wed Mar 20, 2024...
View ArticleNetworking and servers • Need to 'spoof' a router - not sure if it will work
My problem is i inherited some hardware from prior admins. Some of it I didn't need to touch immediately.One such piece of hardware is a netgear smart switch that presumably has a web interface. The...
View ArticlePython • Re: Pi 5 / RC522 / Python for RFID Reading?
GPIO Pins aren't only input/output.Peripheral like SPI, I2C, UART, PWM, 1wire, etc... are available by switching some settings.For you project using the MFRC522 card reader you need to have access to...
View ArticleBeginners • Re: Intermittent Screen Blanks
It looks like you may be running the Kano OS as opposed to Raspberry PI (from https://teamkano.medium.com/how-to-inst ... f6e2edcd5d). There is a help site https://help.kano.me/hc/en-us/requests/new...
View ArticleMicroPython • Re: Rotary Encoder
Thanks for the replies.@scruss:I forgot to mention those two files, but I did include them before. I found the error in the way I was using my programm. Now that I have all the Files needed I got past...
View ArticleNetworking and servers • Re: Need to 'spoof' a router - not sure if it will work
Yes you can configure a RPi's ethernet port to have a static IP of your choice and connect directly to the Netgear with a standard ethernet cable.Statistics: Posted by drgeoff — Wed Mar 20, 2024 7:44 pm
View ArticleTroubleshooting • Re: Pi 5 not booting - 4 green led blinking
And the date on that file raspiblitz-fat-v1.11.0rc4-2024-03-15.img.gz is also from before the Pi 5 was announced.Therefore it is safe to assume that it does not support the Raspberry Pi 5.The date...
View ArticleGeneral • Re: Placement of decoupling capacitors in RP2040 board design
The diagram just shows the capacitors close together for neatness and ease of reading. In reality the capacitors should be placed close to each of the power pins.Statistics: Posted by rpdom — Wed Mar...
View ArticleTroubleshooting • Re: Pi 4B Undervoltage condition relating to modern HDMI...
There's 4.03 seconds between undervoltage being detected and rectified, not microseconds.vc4-kms-v3d will be reinitialising the display stack to its liking. It is also fussier (but also more flexible)...
View ArticleSDK • Re: Valid CPU speeds
Use https://github.com/raspberrypi/pico-sdk ... vcocalc.py to make sure, it is a valid frequency.Statistics: Posted by MatSOBDev2 — Wed Mar 20, 2024 8:05 pm
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