Troubleshooting • Re: Raspi5 is just booting once correctly
What happens if you power off, remove the USB cardholder, put the card into the onboard slot, and re-apply power?Hi, i tried this and it worked! Somehow the card holder did produce this strange...
View ArticleGeneral • USB poll?
Hi.Is it possible to make the USB on the pico work in polling mode? I need to do some critical time measurements and the USB IRQs are messing up my routines.I'm using an NMI and SysTick to trace...
View ArticleGeneral • Re: USB poll?
Could you use a button on another gpio pin for abort? If not, I'd use two pico's for simplicity.Statistics: Posted by pidd — Sat Jun 08, 2024 10:43 pm
View ArticleBare metal, Assembly language • Re: Using the GIC-400 of the raspberry pi 5...
Without code or error descriptions I can't tell exactly what's wrong, but my guess is that you are using the base address from the device tree as the base address of the GIC 400 and then applying the...
View ArticleOff topic discussion • Re: How to set up an Orange Pi to work like a...
Probably best to ask on the Orange Pi forum?Statistics: Posted by neilgl — Sun Jun 09, 2024 9:34 pm
View ArticleAdvanced users • Multiple ip addresses with dnsmasq
Some background.I have dnsmasq running on a Pi as a DNS/DHCP server (obviously, that Pi has a static address configured).I have some machines that only connect wirelessly, and some that only connect...
View ArticleBeginners • Re: Keyboard Layout Issue on Raspberry Pi (Multiple Users)
The second time this happened to me, it said the keyboard was a US keyboard, but it was a UK keyboard.I fixed it by adding the second_user to the sudo group and modifying the /etc/sudoers file with...
View ArticleNetworking and servers • Re: Cannot access Raspberry Pi from VNC
I think this post would have received more answers/help if it had been left in the beginners section where i posted it originally, rather than it being moved.Statistics: Posted by RDS — Sun Jun 09,...
View ArticleBeginners • Re: Bootloader doesn't appear to be working.
I'm just going to buy a new Pi...Statistics: Posted by AngelOfCreation — Sun Jun 09, 2024 9:59 pm
View ArticleGraphics, sound and multimedia • Re: Stream EZVIZ WiFi camera with Pi?
Should say in the documentation that cam with it?Statistics: Posted by neilgl — Sun Jun 09, 2024 10:05 pm
View ArticleBeginners • Re: createing a battery management circut pi 4
I do not know of anything like you're looking for.However, if you think the pi sugar was too large, I doubt you'll find anything much smaller, and if you do, it'll only be good to power a pi for...
View ArticleTroubleshooting • Re: Can't ssh in
Andy,Your solution worked....so if I understand this right....when I setup my rpi with the raspberry pi imaging software I must have created a username and this need to ssh in with ssh...
View ArticleLinux Kernel • Re: Help !! Initramfs load address causing errors !!!
1) Setting memory address after 1gbthe firmware can only access the lower 1gig, so you cant load anything beyond thatStatistics: Posted by cleverca22 — Sun Jun 09, 2024 10:50 pm
View ArticleTroubleshooting • Re: Remote Desktop Connection or VNC to bookworm
I'm trying to connect with a remote desktop to a Pi 4 with bookworm.I saw this locked thread From a Windows Client, I am able to SSH into the Pi with Putty.I have disabled Wayland (per notes from...
View ArticleCamera board • Unable to use Pi camera with OpenCV 4 C++ on Bookworm
I used to run some 2019 OS and OpenCV 3 on my Pi 3B+ with my Pi camera V2.1 just fine. Then I updated to Bookworm and OpenCV 4. libcamera- still works fine but if I try to open the camera with...
View ArticleGeneral • Re: Theorectical length of wire connecting two Picos
...the sending end driving it in bridge configuration between a pair of GPIOs...What kind of bridge are you referring to?Statistics: Posted by carlk3 — Mon Jun 10, 2024 10:11 pm
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Interfacing (DSI, CSI, I2C, etc.) • Re: Can i connect some buttons to the...
i dont know how to code your in for a long ride With gpio-key dtoverlay you don't really have to know how to code. Just set up a file to match the hardware. Although does it work on a Pi 5 as the GPIO...
View ArticleOther projects • Re: Pi 5 16GB SDRAM test
I bought a Pi 5 4GB and removed the 4GB samsung SDRAM chip and installed a Micron 16GB (MT53E4G32D8GS) SDRAM chip.That appears to be a LPDDR4 part so which means it needs a higher I/O voltage than the...
View ArticleAdvanced users • Preventing reading from OTP
Hi all,What is the best way to prevent a malicious user from reading the OTP content?Say someone steals my device and gets root access to it by hacking it.Is there anything I can do so at least my OTP...
View ArticleTroubleshooting • Re: RPi5 - External USB drive not working and clicking.
Thanks for reply. It seems to be indeed problem with PSU, in it's documentation I can see following as USB-C output:5V/3A9V/2.77A12V/2.08ASo it is clearly lacking 5V/5A. When adding Code:...
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