Troubleshooting • Raspberry Pi booting again despite issuing shutdown command
Hi,I am getting the strange behaviour of my Raspberry Pi 4 rebooting after issuing poweroff when mounted on top the waveshare UGV kit. when powered via the USB C port it shutdown as normal. I am at a...
View ArticleSDK • Error in the SDK
Hello Everyone,I have an found an error in the Pico-sdkCode: /tmp/pico-sdk/src/rp2_common/hardware_pwm/include/hardware/pwm.h: In function...
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Beginners • Re: Actual headless boot
I got myself a PL2303 adapter, which should work. The Pi itself is a 4 Model B.My brief google suggest that is USB to RS232. RS232 voltage levels will kill a Pi. As will 5vTTL serial. Make sure it's...
View ArticleBeginners • Re: Cron script issue with Python .env in order to run a script
Finally, it works (still some path issues Windows/linux...)AFAIK there's no automatic way around those. If it's path element concatenation use os.path.join('a','b') will use the OS specific separator...
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Beginners • Re: These nvme base hats look interesting but do not have access...
An alternative to RAID1 on 2 * 4TB. PCIe NVMe adaptor with 4 TB. Big spinning rust disk on USB 3. You use the 4 TB SSD 24/7. Backintime or equivalent backup to the lump of iron. You can then recover...
View ArticleTroubleshooting • Re: WaveShare 3.5 results in constant red LED
It may be a issue with the display and you may need to return it. However,I see that in the instructions you need to use a male to female cable. When you trying out the Waveshare display is the...
View ArticleMicroPython • Re: Issues with Micropython on Pico W with Sonoff Light Bulb
Dumping as a JSON string is already done in the request() call. See source code for urequest:https://pypi.org/project/micropython-urequests/#filesRelevant part in request() call (library is MIT...
View ArticleTroubleshooting • Re: Pi5 Completely (permanent) locks up when CPU reaches 100%
You might also try a firmware update.**I don't think it is a firmware issueThere was a firmware update related to USB a couple of months ago. https://github.com/raspberrypi/linux/issues/5753Note the...
View ArticleCamera board • does an "affordable" C/CS-mount macro lens exist?
This isn't really RPi-specific, but I'm curious if anyone is aware of a C/CS mount macro lens (by which I mean, can achieve something approaching 1:1 image:object size) with some limiting resolution...
View ArticleBeginners • Re: A few beginner questions
Did you try doing the update again?Yes. I tried again this morning after purging Chromium from the Pi. Worked like a charm! Go figure. I don't know if it was the purge, or what. Won't complain...
View ArticleCamera board • Re: does an "affordable" C/CS-mount macro lens exist?
Yes, I think your suggestion of extension tubes is good in general, for moderate degrees of enlargement. My past experience with other systems has been extensions do somewhat dilute the image...
View ArticleBeginners • Re: More beginner questions
Sorry, it's a Pi 5, 4 gigabytesOS is the latest from Raspberry Pi, 64 bit, downloaded and installed approx 7 days ago.Ken VE3HLSSo Phisai, Thailand OK18scThere are multiple versions of the 'latestl PI...
View ArticleAdvanced users • Re: Forcing a Desktop Screen Resolution, on Raspberry Pi OS,...
Video mode line goes into kernel command line - cmdline.txt - and not into config.txtThere is documentation on that https://www.raspberrypi.com/documentati ... ne-optionsYour Pi running at...
View ArticleBeginners • Re: Pi 4B flash of the desktop, then nothing
And, after 45 minutes with no further change, I shut it off.Thanks.smphave you enabled SSH? Can you connect to your Pi?Statistics: Posted by aBUGSworstnightmare — Mon Oct 07, 2024 4:20 am
View ArticleRaspberry Pi 400 • Re: Interface Pi 400 board to better keyboard?
A Pi 5 from bottom of most obtrusive pin to the top of Ethernet is 17mm, to top of USB is 19mm. I stripped a keyboard and from the bottom of the circuit board to the elevation legs, when extended, is...
View ArticleAdvanced users • Re: Soft temperature limit throttle *increases* CPU frequency
The throttling code on Pi5 is different to Pi4ah, didnt notice this thread was on a CM4Statistics: Posted by cleverca22 — Tue Oct 08, 2024 12:34 am
View ArticleGeneral discussion • Re: [Pi 4] Peripheral Extension Board
hubs actually being several four ports hubs in a daisy chaintrue. You can sometimes see that in lsusb. The most I see on one chip is 8 ports. So 8 * 8 * 8.Statistics: Posted by peterlite — Tue Oct 08,...
View ArticleSDK • Re: Need some help with sound output
Now that I have sound and the play back is great I want to have more sound chips maybe two or three depending on how much I can squeeze out with out killing performance.How do I mix them together? I...
View ArticleC/C++ • Re: PWM with C++
you could use the sysfs '/sys/class/pwm'First you need to add the overlay into the config.txt (/boot/firmware/config.txt)Code: dtoverlay=pwmAfter you need to set the pin12 to alternate function...
View ArticleHailo • Re: I have Questions about the AI-Kit.
AI kit is Hailo8L chip and it does not run any LLM, but in the future hailo8H can run LLM. And they are trying to make Whisper work on AI kit.Statistics: Posted by jiahaoli — Tue Oct 08, 2024 2:15 am
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