Troubleshooting • Re: How to restore Serial pins in Python
Can you not use different GPIOs for your different task?In bookworm, run the utility pinctrl after boot, and notice the states of GPIO14/15. After you have finished with Python, you should be able to...
View ArticleTroubleshooting • Re: constant freezing with the raspberry pi 5 under any...
Does not sound like the official psu!I would test with a micro sd card.Statistics: Posted by rpiMike — Fri Jan 03, 2025 8:13 pm
View ArticleCompute Module • PWM Not Working with dtoverlay=pwm-2chan on GPIO 18...
Hello,I am working on a project to test an LD (Laser Diode) component that requires PWM control. I am using a Raspberry Pi CM4 and attempting to enable PWM on GPIO 18.Here’s what I’ve tried so far:1....
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Troubleshooting • Pi 5 installation / booting not correctly working
Hello,I don't know what else I can try. I've been trying to get the Pi up and running for over 5 hours.Today my new Raspberry Pi 5 (8 GB) arrived with the extra power supply for it (27 W). I first had...
View ArticleCompute Module • Re: PWM Not Working with dtoverlay=pwm-2chan on GPIO 18...
Does "dmesg -l err,warn" show anything interesting?Statistics: Posted by PhilE — Fri Jan 03, 2025 8:27 pm
View ArticleTroubleshooting • RPi 400: Bluetooth not showing devices to connect to
I have a RPI 400 running Buster release 10 and I've not connected up a bluetooth device to it in a while. Today I was working to connect a device and found that nothing was showing up in the Add...
View ArticleSDK • Re: C++23 and std::flat_map ?
You can try the experimental support.C++23 Support in GCCGCC has experimental support for the latest revision of the C++ standard, which was finalized in 2023 and published in 2024.C++23 features are...
View ArticleOfficial Display • Re: Touch Display 2 not rotating
I have a problem with rotating my official 7-inch display. The display is correctly rotating, but the touch is incorrect. I'm on Bookworm and using X11.I needed to add...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Possibility to extract 54MHz clock RPi4?
Question: Is there a place on the PCB where I can extract the 54MHz clock signal from the RaspberryPi4?Background: If I'm able to extract the 54MHz clock I'll feed it into a fast opamp and use that as...
View ArticleAdvanced users • Re: Any changes around how sym link permissions work in...
You can chown -h, but you cannot chmod -h, so the user and group remain irrelevant except for niche purposes like disk quotas, and sticky directories. And symlinks in pseudo-filesystems (/proc/),...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Possibility to extract 54MHz clock RPi4?
You won't be able to extract it from the crystal, but you can get a clock produced from it on the CLK0 GPIO pin. Not sure what the maximum freq out is on that pin.Statistics: Posted by MikeDB — Fri...
View ArticleTroubleshooting • Re: Pi 5 video playback on YouTube fails.
run raspberry pi diagnostics to check your sdStatistics: Posted by kerry_s — Fri Jan 03, 2025 8:55 pm
View ArticleOfficial Display • Re: Touch Display 2 does not function correctly with POE+...
The POE HAT fan control is possible through either the firmware or the kernel sending the I2C commands. You can't have the firmware doing it and also then use that I2C bus for the camera through...
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Advanced users • Re: Pi Zero to 18 bit colour LCD
What makes you assume 18-bit is not supported on HDMI?Your driver needs to convert the data to DPi so question is which adapter do you use?A TFP401 from TI is all that you need...
View ArticleGeneral discussion • rotary-encoder overlay ?
Hi,I have an old RPi 2 plus V2.1 with fresh install of current day bullseye 24/10/22, (kernel says v7.x) that I am trying to find useful employment for. I have hit on a project involving a rotary...
View ArticleBeginners • Re: What is a Raspberry Pi Enclosure and How to Use It?
Thanks for the informative tipStatistics: Posted by neilgl — Sat Jan 04, 2025 8:06 pm
View ArticleGeneral • Re: Bluetooth between Pico and Pi 5 issues with receiving
I like this library, but I can't import it in any python file regardless of whether it is the btferret directory or outside. Code: Traceback (most recent call last): File "/home/pi/bletesting.py",...
View ArticleGeneral discussion • Achieving Fast Boot on Raspberry Pi 5 for QT Application
Hello, Raspberry Pi enthusiasts!I'm currently working on a project with a Raspberry Pi 5, and I need to achieve a fast boot process to launch a QT application (.exe) immediately after power-on. My...
View ArticleMedia centres • Re: Peppy player
My LCD is unusable. It looks like your top right image if you reduce the brightness by 98%. I barely can read anything.Statistics: Posted by peppy.player — Sat Jan 04, 2025 8:26 pm
View ArticleGeneral • PIO Autopull blocks?
I'm having the time of my life with the jaw-dropping speeds I'm getting with the PIO on the RP2040..wrap is like a timewarp and autopull is a gift. So please don't see me as seeming a bit ungrateful...
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