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Networking and servers • Re: The 802.1X authentication error when creating a...

It works if you don't have a username and password but just create it as an open network. Seems like an important bug.Statistics: Posted by mdpfco — Mon Feb 09, 2026 10:50 pm

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Python • ModuleNotFoundError: No module named 'adafruit_dht' >>>

I am testing a DHT11 example code shown below and get this error message. But when trying to install this adafruit_dht I get this message in the terminalRequirement already satisfied: adafruit_dht in...

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Troubleshooting • Re: Raspberry Pi 4, Model B HDMI ports are not working

Boot one of your Pis with no SD card (or other boot device) in place. You should get a diagnostic display. What does the line showing EDID say?Statistics: Posted by W. H. Heydt — Mon Feb 09, 2026...

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Wanted • Re: integrated Raspi notebook like by AMD or Intel cpus?

The last couple threads that talked about suspend2ram, a necessary ingredient in getting Pi 5s to sleep, were from 2024 and 2023: viewtopic.php?t=379812 viewtopic.php?t=361542#p2171166It seems like...

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Automation, sensing and robotics • Re: speed detection update requested

OPS243 still works fine .... but there are some newer, cheaper radar and LIDAR modules ..... i.e. here's one with EPC611 ToF image sensor: https://www.pcbway.com/project/sponsor/ ... P2040.htmlL515 is...

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Automation, sensing and robotics • Re: Rain Sensor Modification.

Your gauge is underreporting coz the catchment is flimsy .... 60–70 mph winds will always throw it off.Doubling the top helps a bit, but for reliable data, you need a bigger, sturdier sensor like a...

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Automation, sensing and robotics • Re: Remote battery parameters measurement...

Now that I think about it, can the ADS1115s also read negative voltages? In fact, the current on the shunts will flow in one direction during discharge and in the opposite direction during charging. I...

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Troubleshooting • Re: Chromium hardware acceleration issues on RPi 3B+

don't need to do any of thatit's at a system level, the browsers don't show/knowthere default so built optimized for rpi'sthat being said, 3b not really a good choice for desktop useyou want at least...

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Networking and servers • Re: RPi4 104 Mbs only

Is there a heatsink or a metal case on your Pi? They block Wireless. For a heatsink, you may get different results based on the side of the Pi facing the WiFi.For internet from a smartphone, test both...

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Networking and servers • Re: Rotating SATA Drive NAS

How many disks?CRM or SRM?I had some CMR 3.5 inch disks and put them in externally powered USB 3 enclosures for use with Pi 4. Disk A is file server. Disk B is a local backup of disk A. A simpler...

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Python • Re: ModuleNotFoundError: No module named 'adafruit_dht' >>>

Are you using a venv?If so, did you create it with the --system-site-packages packages option?If you didn't, you won't have access to system level python packages/modules when the venv is...

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Networking and servers • Re: ssh-agent looses its keys at session opening

Then I close the SSH connection between the PC and the PI3, I open a new one, ssh-add -l again, but the PI3 ssh agent does not answer. So I enter "eval $(ssh-agent)" to wake it up, and then ssh-add -l...

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Beginners • Re: Emergency Mode After Installing 3.5” SPI LCD on Raspberry Pi 5

I’m using a Kano computer that normally runs Windows.I really hope this "kano computer" isn't the one I've been helping you with.Statistics: Posted by thagrol — Wed Feb 11, 2026 12:04 am

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Beginners • Re: auto starting programs

User and Group default to root so there is no need to specify them. You also shouldn't need to set the WorkingDIrectory to /usr/bin. If that is a requirement of kaiengine it would need to be done when...

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Troubleshooting • Re: Failed to start session

RPi CM Lite installed in a genuine RPi Dev Kit. TrixiePress CTRL+ALT+1 to switch to TTY1 and login at the consoleThen you can undo your last changes (if you remember what you did)CTRL+ALT+7 to switch...

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Troubleshooting • Re: shh Not possible with USB

Forgot to say above: ssh won't work without a working IP network so get that sorted before worrying about ssh.Or use g_serial and login as you would over a UART.Statistics: Posted by thagrol — Wed Feb...

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Troubleshooting • Newer monitors don't give 1080p with Raspberry Pi 4

For several years we have been using the Dell E Series E1912h 18.5 Monitor (https://www.dell.com/support/product-de ... h/overview)m first with the Raspberry Pi 3 and now with Raspberry Pi 4B (8GB RAM...

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SDK • Re: Build fails with...

Tried on a fresh install of Debian 13.3.0-amd64 Stable, and it works.What's the output of 'cmake ..' ?Code: ~/pico/pico-examples/build/blink$ makeBuilding ASM object...

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Troubleshooting • Re: Newer monitors don't give 1080p with Raspberry Pi 4

According to Dell the monitor resolution appears to be 1366 x 768Also it only has VGA input. How could that be more compatible than a current 1080p HDMI display?Statistics: Posted by jojopi — Wed Feb...

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Troubleshooting • Re: Boot order

So why did it boot from nvme0n1p1 !Does sudo blkid show the same PARTUUID for mmcblk0p1 and nvme0n1p1? Then it would be possible for the firmware to boot from one device, but for Linux to mount the...

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