Device Tree • Re: Device tree explanation
I found the first example hereFor the second ex, I found in a book the following : "In this example, the reg property specifies that the device is located at address 0x1000 with a size of 0x100 bytes,...
View ArticleGeneral discussion • Re: On Powering the Raspberry 5 via Battery for Portable...
You need to develop your specs first. Think about what you'd want from a systems analyst before starting to design a program. Now apply the same concepts to your hardware project. You need to...
View ArticleGaming • Re: Need some guidance on retropie on raspberrypi OS.
You don't need Retropie to add console emulators to the Raspberry Pi Operating System, and console emulators are usually open source, which means the program should compile on any Linux Operating...
View ArticleGraphics programming • Re: Freeze/memory corruption after 35-40 minutes of...
Stopping capture on the USB host side after ~30 minutes seems to reset the "freeze timer". The next capture session can live the same 35-40 minutes. So constantly restarting at 30 min mark could be a...
View ArticlePython • Re: list/dict error - not understanding
The scope of this project is to take temperature readings from the arduino (which is controlling much more than just temps btw), insert them into the assigned database, I take it you've seen this...
View ArticleTroubleshooting • Re: Pi 5 RTC charging files/directories do not exist
I get this:2024/01/05 15:57:40version 30cc5f37d65b279e820adb1d9840ad3c1cc98229 (release)timestamp 1704470260update-time 0capabilities 0x0000007fStatistics: Posted by Emperor — Tue Apr 16, 2024 9:07 pm
View ArticleBeginners • Hard Drive Permissions
Hi,I am very new to this, and a complete beginning when i comes to any sort of coding. Everything i have learnt has been from following tutorials on YouTube or guides on the internet.I recently bought...
View ArticleHATs and other add-ons • Argon NEO 5 M.2 NVME PCIE Case
Hi,i purchased the Argon NEO 5 M.2 NVME PCIE Case for my raspberry Pi5 and i am using this NVMe SSD: https://www.amazon.de/Crucial-Plus-PCIe ... B0BYW8FLKNMy benchmark is showing:disk read: 750 MB/sec...
View ArticleGeneral discussion • Identify which barcode scanner
Hello,It is decided to use Raspberry Pi 4. There will be multiple barcode scanners connected.It is possible to have 3-4 barcode readers for different operations. Assuming only in/out setup that would...
View ArticleNetworking and servers • Re: Problem when SSH using windows and Raspberry Pi 4
Hello again,ok, it seems things are starting to work.I do like this to achieve a stable connection:0. Make sure OpenSSH client is installed in the PC1. Power Rpi2. Connect Rpi to windows PC using...
View ArticleBeginners • Re: A few beginer questions about Pi Zero 2 W
Is there any limitation that I may run into if I install the 32bit OS version to save some RAM ?Statistics: Posted by Marus780 — Tue Apr 16, 2024 10:06 pm
View ArticleGeneral discussion • Re: Identify which barcode scanner
Have you chosen the model of barcode scanner? If so, have you checked the manual to see if you can specify a prefix which can identify an individual scanner?Statistics: Posted by ame — Tue Apr 16,...
View ArticleBeginners • Re: Can't access via http to my Raspberry
Hello I find the reason about why I was not able to access to my docker portainer or pi-hole via http/https.typing: sudo nano /etc/nftables.conf-I access to firewall rules, before installing docker...
View ArticleTroubleshooting • Re: My app doesn't work correctly after run on Pi 4 instead...
Running the example code in Lazarus IDE on a Pi4 (Bullseye 32-bit), the value of gReturnCode is -1 That means it has failed.Obviously, I don't have the full code (or a sensor) and we are using the...
View ArticleRaspberry Pi OS • Re: Zip7 question
Correctly installed it should be integrated with your file manager (similar to File Explorer in Windows), such that when you double left mouse click on the zipped file icon it will open, or if you...
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Raspberry Pi OS • drop-down menu behavior
Downloaded "2024-03-15-raspios-bookworm-arm64-full.img.xz" for new RPi 5, and have done updates to current.After selecting some text with mouse (terminal or some other apps):Under OSX, W11 (etc), X11:...
View ArticleBeginners • Re: Hard Drive Permissions
You also don't want to mark files as executable unless that is what you want. Unlike some other OS a particular filename component is not required in order to execute it. You do however need excute on...
View ArticleOther projects • Goal: 20mhz PWM signal at 8-bit resolution. Possible?
My goal is to feed an 8-bit signal (256 levels of brightness) to a laser diode, 20 million times per second.My understanding of PWM duty cycles is that this would require a 5.12 Ghz clock. Perhaps...
View ArticleOther projects • Re: Goal: 20mhz PWM signal at 8-bit resolution. Possible?
i think a parallel dac will be far simpler then pwmjust output your 8bit value on 8 gpio pins at 20mhzand then use any kind of parallel dac (even a heap of resistors works), to convert that into the...
View ArticleAdvanced users • Re: Warming "your fstab has been modified"
It's now April and 4 months since this fstab problem was reported. Isn't it about time a fix was released? Actually, it's been more than 7 months: Open IssueStatistics: Posted by RonR — Wed Apr 17,...
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