Beginners • Re: how to change the location to save screenshots
the program is called scrotyou can read the manual withCode: man scrotthe simplest would beCode: cd /home/pi/Desktop;scrotStatistics: Posted by kerry_s — Mon Jun 03, 2024 12:31 am
View ArticleTroubleshooting • Re: Raspberry Pi 4 Model B Not Booting – Continuous ACT LED...
The pattern has meaning.Have you read and applied The Boot Problems Sticky?Thank you for your response.I have read the Boot Problems Sticky, but I’m not sure which blinking pattern applies to my...
View ArticlePython • Re: RuntimeError: Failed to add edge detection after upgrade to...
The edge detection problem is because the GPIO sysfs interface has been removed from recent kernels, and many libraries used that for edge detection.The question still remains though, what is the...
View ArticleGaming • Re: Retropie room gemes where to get?
Classic Video Game Console ROMS are not difficult to find on the internet, and are often times considered abandonware.AIUI legally there is no such thing as "abaondonware". Software being abandoned...
View ArticleCamera board • Re: video surveilance software using libcamera
I wrote a motion detection program in Java that will take a photo using rpicam-still and save it on the local disk or email it. If you want the source I can post it here for you. It really needs a Pi4...
View ArticleBeginners • Re: permission denied scp file transfer error
Show us the exact command you're trying to use. Wrap it in code tags (look in the menu bar above the text entry box).And make sure that the username you use for the scp comand is that of the user on...
View ArticleGraphics programming • OpenCL on Zero 2 W? Re-implementing ye olde...
So this guy presumably developed OpenCL 1.2 for the RBPi 3:[VC4CL][https://github.com/doe300/VC4CL]It's my understanding that both the RBPi 3 and the zero 2W have the same GPU: the VideoCore IVSo if...
View ArticleTroubleshooting • Re: RPI3 ALSA no soundcards found
Have you created a new user? If so you may not have membership of the audio group.Try ‘sudo aplay -l’ that should flush out if this is an issue.Statistics: Posted by Doug_ — Mon Jun 03, 2024 11:05 pm
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Beginners • Re: Modules vs programming your own microcontroller
Thanks for the responses guys!Okay looks like I'll definitely be staying away from ChatGPT generated code then! I tried my hand at coding during uni but sucked at it! Maybe I'll give it another go -...
View ArticleTroubleshooting • Re: Raspberry Pi 5 not connecting to wifi
In the latest, I did a fresh install and set the imager to configure the wifi. After the first run, the built-in wifi was configured. Following this, I disabled the built in wifi with .....
View ArticleGeneral • Re: Cannot make 2 PWM work at the same time
Code: uint slice_numLED = 0;uint slice_numSTEP = 0;Wouldn't you want those to be different values?Thank you for the reply!It's just initialization values to make the compiler happy. The actual number...
View ArticleNetworking and servers • Re: dnsmasq fresh install stop-dns-rebind and dnsbomb
It hasn't been the only fix done lately to DNS servers, but you are on the right track.Given that this one, has been available since Feb 13 and it hasn't got either to the raspberry or Debian (didn't...
View ArticleGeneral discussion • Re: Lecroy HDO6104 oscilloscope with pyvisa
Code: rm = pyvisa.ResourceManager('@py')On windows NI VISA is the backend, on linux it is pyvisa-py. You need '@py'Here's my Lecroy scope github page:https://github.com/charkster/lecroyStatistics:...
View ArticleGeneral discussion • qemu buildroot image for rpi4: serial console login and...
Hi All,I wanted to build a very minimal embedded linux image consisting of only busybox , bash , less, nano and vim.Enabled serial console option in boot/config.txt . Used buildroot to build a aarch64...
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Camera board • HQ Camera blue and purple colors
Wanted to ask what I should look at changing. So far I've been using automatic settings when recording 1080P 30FPS videos (with 16mm telephoto).See the attached example images where blue/purple/pink...
View ArticleTroubleshooting • fresh install bullseye on pi3, disable-bt causes sysrq; HELP
fresh install and apt upgradeconfig.txtdtoverlay=disable-bt causes :kernel: sysrq: HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i)...
View ArticleTroubleshooting • Re: Booting a system from USB sometimes breaks bootloader
rpi5 requires the latest bookwormbutbookworm has issues on some other rpi's, on older pi's the legacy bullseye is the recommended.Statistics: Posted by kerry_s — Tue Jun 04, 2024 10:42 pm
View ArticleGeneral discussion • Raspberry Pi 5 GPIO busy
Hi everyone, I just got a raspberry pi 5 and what I noticed right away was how to use the GPIO. With RPI4 it's a lot easier, and with this one I've had a lot of problems. The GPIO control library is...
View ArticleMicroPython • Re: use PIO to set multiple pins at 40 kHz [SOLVED]
Hi hippy,Thanks for the tip! It now puts out an adjustable block pulse at 40 kHz on four pins! I adjusted your code a little (see below), as the docs say that multiple pins should be declared as a...
View ArticleTroubleshooting • Re: Got my first Pi, DOA?
I don't believe that is recoverable.Statistics: Posted by jamesh — Tue Jun 04, 2024 11:31 pm
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