HATs and other add-ons • Re: Seems forcing PCIe to gen3 not possible now?
Maybe OP needs to do some investigation on how a PCIe switch works and what the downsides of using a PCIe switch are.The device on the NVMe is a PCIe gen2 switch -> you can't get a higher link...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: RP1 MIPI Register map
Why would you need to know that?Use the libcamera framework when writing your custom camera driver.Statistics: Posted by aBUGSworstnightmare — Thu Mar 06, 2025 5:43 am
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Manually communicate with an i2c device?
Greetings!Question:Given a device at i2c address "X", can I send commands and see the responses without using a specialized "driver" for it?For example, I have a distance sensor on device 0x20 and...
View ArticleGeneral discussion • Raspberry Pi 4B 2019 Won’t Boot – Green Light Solid,...
Hi Everyone,I’m stuck with my Raspberry Pi 4 refusing to boot, and I could use some help! Here’s the situation: both the red and green lights stay solid (no blinking on the green one). I’ve tried two...
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Automation, sensing and robotics • Re: How to read RPM pulses from an Aux 12V...
If l open the datasheet linked it only has 1 pageA funny thing! I just copied the link of the datasheet and open it in browser and now I have 7 pages, before that I was clicking on the link! Hooray!...
View ArticleOff topic discussion • My official Raspberry Pi keyboard keeps spamming the...
the letter s is automatically pressed without my intervention randomly with this keyboard, i don't even own a raspberry pi, i just wanted the keyboard, and no matter what device i try it with it just...
View ArticleRaspberry Pi OS • Bluetooth usb bug
Hello, I am using an external bluetooth usb dongle ( tplink ub500 plus) on raspberry pi 5.I disabled the bt on the board (in /boot/firmware/config.txt added dtoverlay=disable-bt)Installed...
View ArticleTroubleshooting • RPi4 Intermittent Boot ACT Light Flashed Once
I got the source of the intermittent booting problem pinpointed to the EEPROM chip only making contact intermittently with the PCB, but getting to that conclusion was an absolute pain. I want to...
View ArticleRaspberry Pi OS • Re: Bluetooth usb bug
Please report the output of uname -a and sudo rpi-eeprom-updateStatistics: Posted by jdb — Thu Mar 06, 2025 7:02 am
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Teaching and learning resources • Re: Advent of Code 2024
Hmmm... Just looked at the code itself, and I have a hard-coded sequence in there '(0 0 -1 1). In the working directory for day22, I have a lot of other code that must have found that sequence, but...
View ArticlePython • A sleep function doesn,t work
We are developing a S/W on a Raspberry Pico 2W board with micropython. A sleep function doesn,t work. import machineprint("lightsleep")machine.lightsleep(5000)print("Wake up")Here, go into...
View ArticleCompute Module • CM5 vs CM4 DSI Touch issue
Hi,I have a CM4 carrier board with a DSI port which is hooked up to DSI1 4-lane and works great on the CM4. When I put in a CM5, the display only works if I add the dtoverlay and then specify BOTH...
View ArticleCamera board • How to Overlay Translucent Shapes on Picamera2 Preview.QT
I'm currently using Picamera2 and Preview.QT with a USB camera.While I could overlay an image and a transparent array, I could not overlay translucent shapes, and overlay multiple layers with...
View ArticleCompute Module • Re: CM5 vs CM4 DSI Touch issue
..thank you for the help, I had a look at both the files and can confirm the changes they make should in theory fix the issue. Unfortunately, even after adding device_tree=bcm2712-rpi-cm5-cm4io.dtb...
View ArticleCompute Module • Re: Is the CM5's PWR_BUT same with...
Is the CM5's PWR_BUT same with /sys/devices/platform/pwr_button?yesStatistics: Posted by aBUGSworstnightmare — Fri Mar 07, 2025 5:26 am
View ArticleOther RP2040 boards • Re: RP2350 L1 inductor orientation - confusing
The practical explanation should be this (emphasis on the couple last paragraphs):https://www.e-magnetica.pl/doku.php/pol ... _inductorsThe Abracon part must be such "multi-layer" wound inductor, and...
View ArticleGeneral discussion • Re: Can I run two OS simultaneously on my Pi 5 16GB RAM...
Addressing the question in the thread title.... Would you expect to be able to run two Operating Systems at the same time on a PC? The answer is the same for a Pi: NO. However, you can run multiple...
View ArticleAdvanced users • Re: Booting affected by timestamps?? (long)
kernel panic because it claims it can't find any form of initIs it failing to execute /init (in the initramfs), or /sbin/init (in the root partition)? Are they missing, or is there an error code?At...
View ArticleTroubleshooting • Update broke multi-monitor support in Sway
After today's update, Sway no longer outputs anything over HDMI-A-1, only DSI-1. Labwc works fine, however, as does X11. If I unplug the Raspberry Pi Official display, HDMI-A-1 works fine in...
View ArticleDevice Tree • Re: Overlay for SIP (ACC + MAG) fails with no details in logs
o.k. still one man down -> need to check why the mag refuses to come up.Code: pi@newpi5:~ $ sudo i2cdetect -y 3 0 1 2 3 4 5 6 7 8 9 a b c d e f00: -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- --...
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