Troubleshooting • Re: My Pi has no act light, wont boot
Is your RPi in a case? If not, could the underside or any of thr GPIO pins have come in contact with anything metallic when powered on?Have you had anything plugged on to GPIO pins?Is the PSU working?...
View ArticleRaspberry Pi Desktop for PC and Mac • Re: blank screen on start up
What do you see on the monitor/TV screen if you boot the Pi5 without a microSD card in it?Statistics: Posted by neilgl — Mon Aug 05, 2024 3:44 pm
View ArticleGraphics, sound and multimedia • Map of RPi5 HVS registers
Hi,I'm trying to control the GPU's HVS module by writing directly to memory. An approach to this is described here - https://blog.benjdoherty.com/2019/05/21 ... splay-List - though in my case I plan...
View ArticleTroubleshooting • Re: Completely Uninstall Raspberry PI imager
On macOS, Imager uses the default QSettings path - so on my install, it's located at:~/Library/Preferences/org.raspberrypi.Imager.plistSo, to remove your saved configuration using a macOS...
View ArticleTroubleshooting • Re: Pi5 more susceptible to glitches on Vdd
I think you'll find that you've triggered a PMIC overcurrent which resulted in a board reset.Directly charging a supercap from a supply rail is a bad thing to do. Unlimited current can flow through...
View ArticleBeginners • Re: Rpi 5 and HC-SRO4
THANKS!!!Statistics: Posted by sismith1 — Mon Aug 05, 2024 4:00 pm
View ArticleAutomation, sensing and robotics • Robotic
Hello, everyoneI would like to build a robot for the chicken coop.My control is MSRTask:The robot drives around the stable. In the case of an obstacle such as metal post, concrete wall, etc., he must...
View ArticleOther RP2040 boards • Re: RP2040 with ESP8285 on board
Well, I seem to have gone backwards. Yesterday, afterflashing both chips, I was able to blink the green LED, whereas I could only switch it on before, not off. I then moved onto trying to test the...
View ArticlePython • Re: Installing MARIADB on Bookworm with Python
After point b, create a python virtual environment with system packages: Code: mkdir my_projectcd my_projectpython -m venv --system-site-packages envsource env/bin/activateThen pip install things to...
View ArticlePython • Re: DS18B20 / w1thermsensor
I initially created the venv by this command from the home/pi/Documents/HVAC directory. Code: python3 -m venv env And it could be activated from the command line by:Code: env/bin/activate or...
View ArticleGeneral discussion • Re: WiFi connection issue on Yocto using wpa supplicant
Update:I ran a test in our office again. The 802.1X-2001 network was a homemade PEAP-MSCHAPv2 network I setup running on an OpenWRT router.Our in office network which work is 802.1X-2004. The customer...
View ArticleRaspberry Pi OS • Re: why are there two different splash screens now?
I wrote this script to take care of restoring my custom splash image and doing the update-initramfs: Code: #!/usr/bin/bash# script to check if a custom splash image has been over-written, # if so, it...
View ArticleRaspberry Pi Connect • Re: most likely me (or Manjaro), but why are the...
That's a f ascinating error.I don't have a comparable system to hand to f ind more information on the issue, however I'll be keeping an eye out for more errant f ont ef f ects.My best guess is that...
View ArticleBeginners • Button to shutdown raspberry pi 4 (python), right track?
Am I on the right track? Goal is to shutdown a pi with a push button. Using the following code it works fine in terminal (with sudo of course):Code: from gpiozero import Button # imports button from...
View ArticleGeneral discussion • Re: Can I retrieve data from a corrupted SD card?
Corrupted (messed up file system) or infected (malware). You use both terms and they are very much not the same, and would dictate different approaches.Statistics: Posted by bjtheone — Tue Aug 06,...
View ArticleAdvanced users • Re: Pi5 - H.264 with YUV444 colorspace
What is the hardware decoding support with YUV444 and H.265 on Pi5 and Pi4 (just to paint the complete picture when people search for it on the forum)All hardware support on all Pi's is YUV420...
View ArticleTroubleshooting • Re: Lxterminal not displaying foreign characters
>localeLANG=en_US.UTF-8LANGUAGE=en_USLC_CTYPE="en_US"Your LANG setting is correct.LANGUAGE and LC_CTYPE are wrong. Without the .UTF-8, they do not support Unicode. These variables take precedence...
View ArticleTroubleshooting • Re: RPi5 only boots to RPi OS
Almost certainly these other OSs have not been updated to the latest firmware. It is the distro maintainer's responsibility to make their distro work on the Pi 5, rather than Raspberry Pis...
View ArticleBeginners • Re: Help for a very old beginner
Sure you aren't just typing the data to /dev/null?My main computer has always had devnull as a hostname... since the late 80s. Not sure how many there have been.Statistics: Posted by bjtheone — Tue...
View ArticleBeginners • Re: OS installation problem
Hello! I know it may not be connected to your issue as such, but I started with my home automation install on my new raspberry 4. When I insert my SD card after having used raspberry imager, nothing...
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