Beginners • Re: Configuration ufw-Firewall on Raspberry Pi
What are your defaults?Code: sudo ufw status verboseIf you are using hostnames.local you might want to open igmp as wellCode: 224.0.0.0/24/igmp ALLOW IN 192.168.178.0/24/igmp Statistics: Posted by...
View ArticleOfficial Display • Broken clamp on the baord
Hello - apologies if this has been covered already. My first time posting and I am an almost total newbie to the whole Raspberry Pi universe. I have a Raspberry Pi 3 Model B+ and have just got a 7...
View ArticleNetworking and servers • Re: Adding more Wifi networks via SSH
If you are running the Bookworm version of Raspberry pi OS, use nmcli or nmtui.Statistics: Posted by neilgl — Wed Oct 23, 2024 9:58 pm
View ArticlePython • Re: serial.Serial no longer works correct
It’s a bit confusing.Anyway, on my pi running Raspberry Pi OS Bookworm (64-bit) with desktop, the python script in OP’s post works first time.Statistics: Posted by neilgl — Wed Oct 23, 2024 10:07 pm
View ArticleAdvanced users • Re: NUMA Testing
Without numa=fake=8, numa doesn’t get enabled (easy to check with numactl)This is pi4? Have you updated firmware (start4.elf).vcgencmd versionIt should insert numa=fake=2 automatically.Statistics:...
View ArticleGeneral • Re: Cleaning cache on RP2350 with PSRAM writes outstanding causes...
To follow up , the real-world LISP interpreter test using PSRAM does work properly in all cases we've been able to test (it failed in all cases before) with gmx's change to the cache clean code....
View ArticleAdvanced users • Re: RPi4 IPv6 netboot (boot, pxe, dhcp6)
Please raise an issue here https://github.com/raspberrypi/rpi-eeprom/issuesIt would be helpful if you can describe how to setup keaStatistics: Posted by peterharperuk — Wed Oct 23, 2024 10:22 pm
View ArticleGeneral discussion • Re: How to enable mission control like behvior with...
wasn't it already set to alt + tabStatistics: Posted by kerry_s — Wed Oct 23, 2024 10:40 pm
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Media centres • Re: Making a TV streamer
USB TV dongles offer much more choice and you can have more than one with one for TV and one for cable. If they are limited to adjacent channels, you can plug in more.I have a signal splitter to feed...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Correct config and overlay for CAN on...
I'm doing bringup on a new CM4 carrier board that includes an MCP2515 CAN controller. The test CM4 is loaded with the lite version of Pi OS 11.7. The mcp2515 is wired to CAN1 as follows:[MCP2515]...
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Networking and servers • Re: Debian Bookworm AP+STA setup fragile
The ability to do both depends on the right chipset and settings and then breaks for various reasons plus is slow as in most cases the chip has to flop back and forth. I found the only reliable...
View ArticleSDK • Re: PCM playback issues
I guess you could either add another timer triggered callback function to perform buffer fills when necessary, or add the functionality to one of the functions you already have, such as...
View ArticleTroubleshooting • Re: Comparison of Periodic Processing on RPi4 and RPi5
On RPi4, the processing frequency remains around 25kHz even at its slowest, but on RPi5, it can drop to about 100Hz.andRPi4: bcm2835.h (C language)RPi5: GPIOZERO (Python)The difference is almost...
View ArticleAutomation, sensing and robotics • Re: DS18B20 no longer reporting
This might be an update worth a moment of thought. I disconnected the three sensors that had been in use. I connected a new DS18B20 where it was the only device on GPIO4. New DS18B20 connected to the...
View ArticleMicroPython • Re: Obstacle Avoidance Robot Mark 2
Thank you, also I did get it work by using the installed interpreter and pairing down the def to only a loop. He is roaming around and doing good!Statistics: Posted by Jweld1117 — Thu Oct 24, 2024...
View ArticleTroubleshooting • Re: Application windows in rpiOS Bookworm
Use command line raspi-config to change to Xwindows/openboxWhy can't wayfire do the same behavior?Wayland is still in its infancy despite being 16 years old. I am hugely disappointed that Debian of...
View ArticleBeginners • Motor Pi Zero W
Hi, can I hook up motors to a Pi Zero W? If so, what is the maximum amount?Statistics: Posted by Jcoop920 — Thu Oct 24, 2024 10:07 pm
View ArticleSDK • Re: Tight timings PIO + USB, how to do it?
Just an idea, something like Si5351, not sure if it's reasonable cost, but it has OTP and I2C.Statistics: Posted by gmx — Thu Oct 24, 2024 10:07 pm
View ArticleGraphics programming • Re: rPi5 vs CM4 hardware difference affect display
There is a link to an overlay on the crystalfontz website https://github.com/raspberrypi/linux/bl ... verlay.dts which has a compatible string.Check were that points too.Where did you get that init...
View ArticleGeneral • Re: R02040 B0 - SSI/QSPI aging issue?
I've seen such things when overclocking the flash too much, or improperly put the scope probe on it.It can be QSPI signal integrity,, sometimes it helps to clean the board if got dirty.Eventually, try...
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