July 22, 2024, 17:22
Dual Noctua Fans
So im currently working on getting my Klipper installation back up and running on my Raspberry Pi but wanted to use two Noctua fans to avoid using the loud fans.
its to add to the front of this case: https://www.fractal-design.com/north-pi-3d-files/
i want to use 2x Noctua NF-A4x10 5V but wanted to know if that's possible or not? and whats the best way to do it? Currently im cooling my Old Pi with some Noctua fans but im powering them with buck convertors directly from my PSU for my printer.
Sorry if this doesnt make sense lol
July 22, 2024, 16:49
Argon Neo 4 Nvme Won't Fit
I have a Teamgroup MP33 Gen3 Nvme, and it doesn't seem to go in all the way or be recognized. I don't see the copper pins not going in all the way on anyone's build videos.
How do I fix it?
July 22, 2024, 04:39
play store on linux keeps on crashing
i am trying the run the play store on linux ubuntu but it keeps on crashing any fix and what d bus do i need to use
July 21, 2024, 21:15
keyboard not working raspberry pi zero w
I am using the micro usb to usb adapter that came with my zero w
July 21, 2024, 17:11
CAM MODULE BLUE FILTER FIX
I connected the camera properly. How do I fix this?
July 21, 2024, 07:35
DAC with software switchable headphone and line output?
I'm trying to do my research and figure out if any audio HAT supports changing the output in software between the RCA line output jacks and the headphone output without having to unplug the headphone.
It's not something the descriptions mentions unfortunately.
Anyone have experience with this?
eg. the Raspberry Pi DAC has pinouts for the headphone DETECT and MUTE pins, but I think that's hardwired together and will auto mute the RCA jacks once you plug in a headphone. https://www.raspberrypi.com/documentation/accessories/audio.html#raspberry-pi-dac
Except maybe if the DAC chip supports ignoring the MUTE pin from it's firmware.
There are some ALSA configuration files for the Raspberry DACs (previously IQAudio) which mention something like "Heaphone Switch" which is a changeable boolean value, though I'm not sure these actually do anything: https://github.com/raspberrypi/Pi-Codec/blob/master/Codec_Zero_Playback_only.state#L363
Can somebody with this HAT (or any other hat with an RCA + jack output) in hand test if you can toggle such thing from software, and check if it actually works?
July 20, 2024, 23:24
Need help with shopping my for my first project
hello, i want to make a small project, lets say just LEDs blinking, second being controlling my audio on my pc with potentiometer. can you let me know if this is enough/am i missing something, should i buy something similiar, save money etc? also im not sure about the power of resistors, which should i choose? i dont want to spend 25$ for my project not working because of something. im a beginner so please go easy on me :). feel free to ask questions
July 20, 2024, 11:22
raspberry pi 5 smbus2 BlockingIOError
Running the sample code below from smbus2
from smbus2 import SMBus, i2c_msg
# Single transaction writing two bytes then read two at address 80
write = i2c_msg.write(80, [40, 50])
read = i2c_msg.read(80, 2)
with SMBus(1) as bus:
bus.i2c_rdwr(write, read)
I got error below
Traceback (most recent call last):
File "/home/example.py", line 62, in <module>
bus.i2c_rdwr(write, read)
File "/home/.local/lib/python3.12/site-packages/smbus2/smbus2.py", line 658, in i2c_rdwr
ioctl(self.fd, I2C_RDWR, ioctl_data)
BlockingIOError: [Errno 11] Resource temporarily unavailable
and checking the i2c device by running
sudo dmesg | grep i2ci got this message
[22341.795707] i2c_designware 1f00074000.i2c: i2c_dw_handle_tx_abort: lost arbitration
July 19, 2024, 22:23
Can't login via SSH
I recently bought a Pi 5 and am completely new to all of this. I installed Raspberry Pi imager and edited the settings and created a user name and password and also enabled SSH. I then put the micro sd into the Pi and opened command prompt to SSH into the pi. It asks for my password and I input the one I created on imager but it says password denied. I then put the micro sd back into my computer to check the password and it completely changes it to a long password in which I cannot see. I want to know why it switches it and how I can figure out what the password is. Thanks.
July 18, 2024, 23:08
ssh denied
i have tried making a ssh file in the root sd
adding a usercomf.txt and doing this and I still get access denied when trying to ssh
July 18, 2024, 22:14
need help setting device tree overlay for PCM1862 ADC to use it as system input!
Hello! I'm having some troubles setting up an appropriate .dts file that sets up the PCM1862 as a valid audio device on CM4.
I have two different pieces of code that are correctly compiling and not hiting any error while setting them using sudo dtoverlay. The first one of them is to enable the PCM1862 as a valid i2c device and the second one tries to integrates it with the sound system.
dts
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2711";
fragment@0 {
target = <&i2c1>;
__overlay__ {
status = "okay";
};
};
fragment@1 {
target = <&i2c1>;
__overlay__ {
pcm1862: pcm1862@4a {
compatible = "ti,pcm1862";
reg = <0x4a>;
status = "okay";
};
};
};
};
This one is working ok, when I use the i2cdetect -y 1 I can see that the corresponding address turns into UU.
The next piece is where the issue starts, i can run this dtoverlay without kernel errors, but it's not adding them as a valid audio device, I could check this by using aplay-l and arecord-l and alsamixer:
July 18, 2024, 22:08
pi 5 boot issues kernel panic
Hello I have a pi 5 in argon neo 5 nvme case with p3 500gb ssd of crucial, I'm facing kernel panic during boot, have to force shutdown and start a few times to be able to finally boot into it.
Im using the latest firmware have tried booting from sd card but the same issue.
July 18, 2024, 20:44
Any Suggestion for M.2 NVME f raspberry pi 5
I want a compatible NVME 2 hardisk for my raspberry pi 5 hat.
I would be happy if someone provide AliExpress link for a good one
July 18, 2024, 18:52
Unable to boot after cloning SD card using linux dd command
Used linux dd command to clone an SD card to another SD card of the same size.
The dd command copied successfully. It looked like this:
sudo dd if=~/imagefile.img of=/dev/<path to SD card to be copied> bs=1M status=progress
And that is how the new SD card was imaged (I had previously used dd to get the image file from the original SD card, and that appeared successful too).
However, it would not boot.
Tried the SD imager program the comes with Raspberry Pi OS and that worked ok.
However, online, many people specify commands that match what I did above when using the linux dd tool and it apparently works for them.
I hadn't put on a partition table to the new SD card prior to using dd. Would that have been a reason for the dd clone to not work?
What should I have done so that dd would successfully clone the SD card containing my Raspberry Pi operating system?
July 18, 2024, 04:54
Check available architectures of local .flatpak files?
On flathhb there is a section on every apps page called "available architectures" and it will list off x86_64, arm64, aatch64 etc. However I have some .flatpak files that don't have pages on flathub, just locally. Upon installation some of them are acting weird but I don't know if that's because it's just not meant to run on aarch64, or because of some other problem that could be fixed. I am asking in a general sense, not for help with any particular flatpak, I just want to know how to get that information myself so that now, and if this happens again, I don't waste time trying to fix something that can't be fixed because it literally just won't ever run on the pi
July 17, 2024, 16:24
Raspberry Pi 4 Cronjob Not Working
Hello,
I have a project I am doing for my job where I have to setup multiple Raspberry Pi 4's as Displays for websites. I have gotten to the point of the pi's displaying the websites in full-screen as intended, however the displays were not refreshing as the website changed.
After some research I found that a cronjob with xdotool pressing "ctrl+F5" would be my best bet. I used the command "crontab -e" to open cron and added the line:
/5 * xdotool key "ctrl+F5"
This is intended to refresh the screen every 5 minutes on the clock, but it does not seem to do so. I checked using systemctl status and found that cron is running and active. Anyone know where i could have gone wrong?
July 17, 2024, 14:23
volume knob
Potentiometer
July 17, 2024, 08:15
USB Gadget Raspberry Pi Help
I'm trying to do it like in the photo.
I want my mouse to be able to move on Windows through the Pi 4 (use HID to do this)
I am very grateful for this help. Sorry for my English
July 17, 2024, 07:47
Raspberry Pi 5 Audio Amplifer
I am currently working 3D printed mini arcade machine and have bought the raspberry 5 for it and need some help on getting audio. My plan right now is to buy a audio HAT module that plugs into the raspberry pi 40-pin GPIO slot and the speakers are connected to that audio hat module I also then want to buy a amplifer board that has volume knob I wanted to know if I connect the amplifer knob with a 3.5mm jack that goes from the amplifer to the the raspbberry pi would that work and i will be able to use the knob for volume. hope this makes sense
(The blue board is the WM860 audio HAT module that comes with 2 speakers)
July 16, 2024, 20:14
Composite video output
Hi, my first post here.
I'm using my raspberry to display video from thermal camera onto my cars navigation screen, the problem is that i need composite video in 320x192 format. My question is it reasonably possible to display composite video in non-standard resolutions from raspberry pi? I mean i can change it in raspi-config, but resolution is set to 720x480@60i for NTSC, 720x576@50i for PAL, also i tried one of those HDMI2AV but they are 1280x720 or some standard resolution. Are there any add-ons for raspberry to output video in specific resolution?
July 16, 2024, 18:55
How to control lots of LEDs and buttons?
Hi, I have a project that requires 36 independently controlled LEDs and 36 buttons. I don't know what I need to be able to control that many LEDs and detect when any of the buttons are pushed. Any ideas?
July 16, 2024, 17:58
Cant click Wi-Fi popup problem
So i was just setting up my pi zero when this popup showed, and i have no idea how to get rid of it and connect to the wifi. (My microusb to usb convertor is too big so it does not fit next to the POWER in cabel) Please help me.
July 16, 2024, 11:50
How to install java 8
I am trying to set up a minecraft server and need java 8 for that.
All I can find on the internet suggests running "sudo apt install openjdk-java8-jdk" but i always get this error: "E: Unable to locate package openjdk-java8-jdk".
I tried multiple package managers but all with the same result.
The oldest version I could find was java17 but that won't work for me
Dont know if this is important but I am using a Raspberry Pi 5 8GB with 64-bit Raspberry Pi OS
July 16, 2024, 10:23
How to stream full resolution, full quality, HDR jpegs from a raspberry pi camera v3 to LAN
I have a raspberry pi zero 2 W and a raspberry pi camera v3 wide that I mainly want to use for timelapse purposes with home assisstant. There are 2 ways that I'm aware of to do this:
1. One way to do this is for the pi to constantly send a stream of images to the HA server (another rpi), and then HA can save the current image from the stream when the appropriate HA condition is triggered.
2. The other way would be to only take one image when it is requested by HA, and then store that image locally on the pi and create the timelapse at the end. The issue here is that I'm not sure how I can get the timelapse pi to read the states of the HA server and then take a new timelapse jpeg when the state changes to the right value.
In both cases, I want the camera to take still images in full resolution (4608x2592), full jpeg quality (e.g. the default quality factor of 93), HDR on and with autofocus turned on.
I know rpi cam v3 can normally only do HDR with a max of 2304x1296, but I don't mind if the camera has to wait to take multiple photos at different exposures quickly after each other at the full resolution of 4608x2592 and then combine them to create an HDR image.
So far I have tried to use [Pi MJPEG Server](https://github.com/kingkingyyk/Pi-MJPEG-Server) to create the continuous image stream, and while there is very little lag on the stream and it doesn't use much memory or CPU, it won't start a stream if I set it to the full resolution (4608x2592), it won't do HDR, and the stream quality is not that great because it has pixelation/blockiness, whereas if I take a still image with libcamera-still the quality is much better.
The other way I have tried is to use a dev version of motioneye on 64bit rpi OS bookworm, and while I was eventually able to get motioneye to boot up and get an image from the rpi cam, it took a lot of CPU and memory to even show the camera at 4608x2592 with motion analysis turned off, and this caused the pi to constantly write to swap and lag.
July 15, 2024, 18:07
Hama smart plug, how to integrate it in HomeAssistant that is running on my RPi
Hi, I've just recently begun dabbling with my RPi and I have a smart plug I want to control via HA. HA is running on my RPi. I can't seem to find a good guide, but I can find I will be needing something called LocalTuya
July 15, 2024, 15:23
Uisng Libcamera with raspberry pi cameras in C
Hi, I am trying to use libcamera to do a stereo depth project through C. I am reading through the documentation and to initialise the camera it looks like I need a ID, streams and a unique pointer. I am unsure where to get the unique ID for the camera. Can anybody help me??
July 15, 2024, 11:25
new to RPI I got the board, a psu, micro sd and a fan, what else do I need other than an sd adapter
So I just started watching this course and I was wondering, Other than a micro sd adapter so i can Install the OS are there some other non project specific must haves I need
July 15, 2024, 01:30
how do I use scratch 3 with a cobbler on my Raspberry Pi 5
Okay so I'm really new to this and I'm just trying to figure out how to use scratch in the pie together but I have ran into a little problem every time I look up a how to video none of them are using a cobbler and before I just use female and male pins I want to ask to see if there's a way to convert that but hopefully someone can just tell me how to do it
July 14, 2024, 10:20
Weird signal issues when using bigger amount of RGBW LEDs
Hello, I am trying to control ~50 LEDs in a RGBW LED strip. It works fine when I use 5-10 LEDs, but when I try to use 50, it does behave in quite weird way.
The way it behaves in is similar as before, when I was controling 5 LEDs without logic level converter.
It tries to do what I want - light one LED up in sequential order in blue, but other colors are randomly flashing and I have no clue what could cause this. I dont have osciloscope to check the data line, but I think the data line might be the issue, any ideas on how to debug this?
July 14, 2024, 02:36
Chromium not launching correctly Ubuntu server
I have a 3b running ubuntu server 24 and I am trying to launch chromium from the terminal with not desktop for a kiosk project i am making.
I can get firefox to work perfectly, but unfortinately it does not have SpeechRecognition or widevine support for spotify like chromium. I have already tried uninstalling the snap version and installing it manually with debs but that didnt work either.
Here is the gist I am using for the kiosk setup but modified for chromium
https://gist.github.com/HonbraDev/d6a6c80d97631743f07901ec8918f49c