Troubleshooting • Re: Pi5 turns on then off
In case OP has tried with an official PSU, uSD removed and powered up with no boot diagnostics screen shown then that Pi is toast most likely.Make sure you've tried updating the bootloader...
View ArticleCompute Module • Re: Secure Boot
Is it possible to use Secure Boot on CM4 Lite (without eMMC) using M.2 SSD/NVMe and LUKS?Statistics: Posted by i486 — Thu Oct 10, 2024 4:48 am
View ArticlePython • PID controller help
Complete newbie here but ive got the bones of my system figured out I think, I just need help on the PID setupI’m using a temperature input to control a pwm output, which I’ve got set up and working...
View ArticleGeneral discussion • Re: cron reports command not found
How do I get cron to run the command?You need to set the $PATH variable to include the location of command executable. Easiest way to do that is to wrap your command into a shell script and include...
View ArticleDeutsch • Re: i2c am Raspi4b und 5b
Debian 11? Wenn ich mich richtig erinnere ist Bookworm auf Basis 12.Was für ein HAT ist das denn? Prinzipiell hat sich nichts geändert, es wurden aber ein paarTiminhs angepasst welche sich jedoch...
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Compute Module • Re: CM4 modules damaged
U4 IC RT9742SNGV connected to HDMI ports is failing.USB port is not used in final application, used in factory to connect mouse during testing phase.FYI, Network connection is through fiber optic,...
View ArticleTeaching and learning resources • Re: Advent of Code 2023
Here it is October 2024 and I'm wondering how to make Advent 2024 more fun. My theory is doing all the programs in Julia last year--useful since I'm teaching a course with Julia--made the puzzles too...
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Troubleshooting • Rapberry Pi Zero USB / RNDIS ethernet gadget cannot connect...
I am a fairly new user of raspberry pi. Previously I have successfully established network sharing between my PC and my Rpi zero using USB gadget mode, mainly thanks to this forum.Recently. I have...
View ArticleGeneral • Pull-ups or pull-downs?
https://imgur.com/wkKE4e2I want to experiment with PIO and pin direction. What I am trying to do is simulate what would happen on an 8-bit computer data bus. In theory, SW1 is supposed to give me an...
View ArticleTroubleshooting • Re: Pi5 Completely (permanent) locks up when CPU reaches 100%
It's weird that htop doesn't match the CPU usage from activity monitor.Your GUI screenshot says 100% at the top, but then the tasks are sorted by CPU%, and they are all zero. Maybe the top number...
View ArticleGeneral discussion • CE Marking
Hello all,I would like to ask you what applied if I get a raspberry pi, a CE marked HAT and put it in an enclosure.Will the product be CE marked?Best,KVBStatistics: Posted by Settler7 — Fri Oct 11,...
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Other projects • Re: RPI CAR HEADUNIT [HELP]
Hey cool a car guy I have some experience powering my Pis from 12v battery packs from Milwaukee. You'll want to set your buck converter to 5.2V, since that's what the Official power supplies put out....
View ArticleBare metal, Assembly language • Re: SDHOST block read returns CRC in data
I'll keep wresting with it! Thanks again (and I can appreciate the frustration of your code commentsthe link i gave was actually to the original author that started things before me, ive just picked...
View ArticleTroubleshooting • Re: TFTP 1 : File not found error while booting
I have the same problem. the pi boots with the error message: "Failed to mount boot-firmware.mount - /boot/firmware"The boot gets as far as the login prompt for a CLI setup. However, I am unable to...
View ArticleGeneral discussion • Re: CE Marking
NoStatistics: Posted by aBUGSworstnightmare — Fri Oct 11, 2024 4:11 am
View ArticleHATs and other add-ons • Re: What connector is this?
Why not consult the boards documentation or ask the manufacturer?Statistics: Posted by aBUGSworstnightmare — Fri Oct 11, 2024 4:15 am
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Troubleshooting • Re: Rapberry Pi Zero USB / RNDIS ethernet gadget cannot...
Your zero is using a self assigned linnk local address and likely has no DNS servers listed and no default gateway.Have you enabled internet connection sharing (or whatever the OS on your PC calls it)...
View ArticleAutomation, sensing and robotics • Re: Sequent microsystems 8 relay hat...
and on top of that it has lcd touchscreencheck i2c addresses with "i2cdetect 1". Perhaps there is an address conflict. Or unplug this screen for the tests.Statistics: Posted by ghp — Fri Oct 11, 2024...
View ArticleBeginners • CM4's fighting wifi
I have 2x CM4's2 different rigs.1 ip is xxx.xxx.1.38the other is xxx.xxx.1.40I can have one on and the other off and visa versa.If both are on they do not connect to wifi at all, they are both very...
View ArticleCompute Module • CM4 CAM0 I2C Pins
We have a custom board and want to use CAM0 if we use dtoverlay=ov5647,cam0 the camera is not recognized. The camera does work on CAM1 so we know the camera is good. GPIO2 is used for SDA and GPIO3 is...
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