All Questions
37,352
questions
0
votes
0
answers
5
views
camera module isn't getting detected
Lately, I have been having some problems with my pi camera it used to work but no it isn't it is Raspberry pi camera 1.3v OV5647.
the pi is falling to detect it.
supported=1 detected=0, libcamera ...
0
votes
0
answers
8
views
Can't Access Repo and Key to use Matrix Creator
I have a couple mic array daughterboards that I'm using for an audio sound localization project. I purchased a Matrix Creator because there are many scripts available on GitHub that I can use to ...
0
votes
0
answers
6
views
CAN interfaces don't match physical setup
Using the seeed studio CAN hat, occasionally the interfaces for CAN get flipped from what they are physically on the hat.
[ 7.736082] mcp251xfd spi0.1 can0: MCP2518FD rev0.0 (-RX_INT -MAB_NO_WARN +...
0
votes
0
answers
11
views
'rose' and 'fell' in same keyboard script - pico/circuitpython
I have a reed switch (normally closed) attached to a Pico that when open send two key presses to the PC. I need a third key press to be sent when the switch is returned to the closed position.
My ...
- 95
0
votes
1
answer
15
views
Reading data from a BLE peripheral device via bluetoothctl
I am new with Raspberry Pi 4B and I am trying to read data sent from a peripheral BLE device, but I am having some problems and would like your help.
First of all, I am able to connect to the BLE ...
- 1
0
votes
0
answers
24
views
Always open PwmChannel
I have a Pca9685 servoHat on Raspberry pi4 and work correctly .I open the PwmChannel pass DutyCycle and close like the example below
pwmChanel.Start();
pwmChanel.DutyCycle = data.Speed;
await Task....
- 101
0
votes
0
answers
20
views
How to write a code to toggle switch that will read to custom GUI [closed]
Hi im new to the raspberry pi world and im trying to see where to start on creating a code that will read to my GUI from a toggle switch i have as hardware. I've seen alot of push button codes, but ...
0
votes
0
answers
27
views
Pending Kernel Upgrade, kernel version 6.5.0-1007-raspi [closed]
Recently I received a notification of a Pending Kernel Upgrade for my Pi.
However, the Kernel won't upgrade even after countless
sudo apt update
sudo apt upgrade
sudo reboot
Even tried sudo apt ...
- 101
0
votes
1
answer
16
views
Raspberry Pi Zero 2 W: Swap File on the USB won't stay in use after reboot
With this fresh install of Pi Zero 2W, after any reboot, if you check for a swap on the Raspberry Pi Zero 2 W, it has none
To prevent unnecessary IO (and to extend life), instead of making a swap ...
- 101
0
votes
0
answers
13
views
Is it possible to stream audio via Bluetooth over the same connection used to send Bluetooth commands?
I have a Pi 4 that receives commands over Bluetooth from an iOS app to do things like play music stored on the Pi. I am considering making it so that the music need not be stored on the Pi, but is ...
- 101
0
votes
1
answer
28
views
Can I use this keyboard with a Raspberry Pi?
I am wondering if it is possible to use this keyboard with a raspberry pi b+, I soldered the USB cable to the receiver but is not detected on a windows computer, thank you in advance.
- 3
0
votes
2
answers
28
views
Producing a reliable micro-SD clone with dd or the GUI SD Card Copier?
I am running a Pi 4 with the Raspberry Pi 64-bit Bookworm GUI OS image in a Generac generator using Genmon from github to graphically monitor the generator status. The Pi is headless and I manage it ...
- 1
0
votes
1
answer
35
views
How can I generate a hardware PWM on Raspberry Pi 4 using Python?
I need a PWM signal of 25KHz and duty cicle 0-100%. It must be "hardware" becase I don't want to bother the CPU with that. The ony way I found to do that in Python is by using ppigpio ...
- 103
0
votes
2
answers
28
views
How to safely duplicate the setup of a raspberry pi zero w
I have several raspberry pi zero w devices that all need the same installed packages, users, etc, and I would like to be able to duplicate the micro SD cards (or something that achieves the same ...
- 101
0
votes
0
answers
19
views
Changing Python Code to save video on PC, over socket, instead of Raspberry Pi
I am trying to create a project where I use opencv to detect my cat and then send the mp4 to my pc and saves it there. I can set up the socket but am struggling with the python code to send the video ...
- 1
0
votes
0
answers
44
views
WPA-Supplicant goes through the motions of connecting without connecting
I dug out an old Raspbery Pi B+ and tried to setup a wifi connection with a Realtek USB wifi stick. Since there were no drivers I compiled a driver (https://github.com/Mange/rtl8192eu-linux-driver). ...
0
votes
1
answer
16
views
RPi0 W can't connect wlan0 wireless
About 2 years ago as my first foray in SBC's I setup a RPi0 W as wireless print server which worked very well. Fast forward to a few days ago and I needed to change the network connection and I can't ...
- 1
0
votes
0
answers
11
views
Need to stream a feed from a flir lepton to a small version raspberry pi to a .24 inch ferroelectric liquid crystal micro display [closed]
Need to stream a feed from a flir lepton to a small version raspberry pi to a .24 inch ferroelectric liquid crystal micro display. I have SOME experience with raspberry pi, reading questions and ...
- 1
0
votes
0
answers
7
views
PyQt5 Widget Background Color Incorrect on my Pi
I have searched high and low for this problem, but cannot find anything anywhere.
I have Python Version 3.8.10 and PyQt5 version 5.15.10 running in a Virtual Environment on my Py4 with 8Gb Memory ...
- 11
0
votes
0
answers
15
views
Raspberry Pi Zero 2 W: Boot from USB in Ubuntu Server (latest & any version)
How can I setup my Raspberry Pi Zero 2 W to boot from USB in Ubuntu Server Linux distributions. I am looking for a solution that applies to all supported versions of Ubuntu Server, latest and below.
...
- 101
0
votes
0
answers
17
views
cameras not found after rebooting
I'm using raspberry pi 4 with Arducam quad camera kit and HD-Weitwinkel cameras. The cameras are not found when I reboot raspberrypi. However, when I reinstall raspberrypi os bullseye legacy, the ...
- 1
0
votes
0
answers
16
views
Monitoring with Sharktap and Time Sync functionality
I have code that works for network monitoring OR Time Sync.
When I have both ethernet connections, I can only network monitor. The connection runs through a sharktap so the time sync functionality ...
- 1
0
votes
0
answers
28
views
I want to make a game console on raspberry pi [closed]
I'm new to raspberry pi but I want to make a handheld game console from scratch. Not emulator just normal console with it's own games. I have some experience in game development. But I have question ...
0
votes
0
answers
22
views
Setting RTC alarm
I'm somewhat confused by the use of rtc.irq, more precisely the trigger argument. If I wanted to blink a LED every second using IRQ, the docs say that trigger has to be RTC.ALARM0. Do I have to use ...
- 121
0
votes
0
answers
20
views
How to draw on a small TFT screen, after the end of the linux boot, (on a rPI)
I managed to have a TFT screen (160*128) working on my PI (via SPI)
When the system boots, I can see the end of the boot and at the very end, the "login:"
I would like to have a program (...
- 1
0
votes
0
answers
23
views
Issue with 12-megapixel High Quality Camera
I have a strange issue with my camera. I have installed it correctly, if I enter:
libcamera-still -o test.jpg
[0:47:15.362288136] [3186] INFO Camera camera_manager.cpp:297 libcamera v0.0.5+83-...
- 1
0
votes
0
answers
21
views
Need help connecting pi to 3 separate 2 digit displays
Hello we are Solar car race team at a high school and we need to connect our Pi to 3 individual two digit displays then format the data from our charge controller through our Pi. Is this possible ...
0
votes
0
answers
27
views
SSH cannot connect. I’ve tried a lot
I have no idea what is wrong. I’ve never used one of these before but the website says they’re marketed towards children so why is this setup so impossibly difficult?? I’ve been working on this ...
0
votes
0
answers
13
views
Raspberry pi ignoring keyboard, cannot boot
Every time i turn on my pi now, it gets to "Install an OS on this Raspberry Pi" and says to press and hold shift to start a net install
i hold shift
and i hold shift
and i hold shift.
The ...
0
votes
0
answers
14
views
how to setup CM4 as an ethernet gadget
we are looking to use the CM4 as an ethernet gadget that connects Android phone (USB-A) with the router (ethernet).
we are looking how to setup a standard image to support it
- 1
0
votes
0
answers
7
views
Smooth change from headset_head_unit to and from a2dp_sink with a script
I want to use my bluetooth bathroom speaker. That is connected to a pi zero 2 snapcast client. to pickup phone calls when im there.
I'm stuck at the point that i cant make a sollid cli script to ...
- 1
0
votes
1
answer
31
views
Did i fry MH-Z19B CO2 sensor with my raspberry PI?
I got a new MH-Z19 Sensor, which i connected to my raspberry PI. The first time everything was okay, but later i connected the pins wrong by moving everything by one pin to the left. See the table
2 (...
0
votes
0
answers
18
views
Ground offset when powering devices directly from 5VDC transformer
I am reading in current sensor (ACS712 20A) values using the MCP3008 ADC into my rpi zero. I am also using a Songle SLA-05VDC-SL-C relay, and have found that both the current sensor being on, and ...
- 1
0
votes
1
answer
31
views
Undervotage detected while using UPS hat (b) on wheel robot
I am doing a mecanum wheel robot project included 2 motor drivers l298n. I use raspberry pi 4 GPIO to control the motor drivers and my power supply for rpi is an UPS hat (b). I keep receiving ...
0
votes
1
answer
35
views
Blanking the local terminal on boot
Could anyone help me blank the local terminal on bootup? I need the screen completely blank before a fullscreen app opens.
I've removed everything but I still have -
pi@raspberryPi:~$
I can manually ...
0
votes
0
answers
25
views
Can't connect to the INTERNET on a new and fresh install of Ubuntu Server 23.10
After a week of trial and error, Ubuntu Server 23.10 is FINALLY running on my Pi. FRESH install!
The device is a Pi Zero 2 W, and the OS is currently running in loopback mode. It is unable to get ...
- 101
0
votes
0
answers
38
views
Getting 74 GPIO Pins On a Raspberry Pi Zero [closed]
Is it possible to get 74 GPIO pins on a Raspberry Pi Zero WH? All of them will be connected to buttons, and the Python needs to be able to detect all 74 buttons. I have looked at Getting more than 26 ...
0
votes
0
answers
11
views
can I automatically rotate the display when steamlink is running without a desktop environment?
I am running a raspberry pi 4 with a waveshare xpt 2046 screen, which has vertical orientation by default. I am running retropie, and I want to be able to use steamlink on it. the problem is that the ...
- 1
0
votes
0
answers
20
views
Send vlc images to the HDMI port on Pi 4
Attach a keyboard and mouse to Pi 4, log in, interface is through HDMI port. Invoke vlc on a jpeg, image also goes to the HDMI port. I want the same to happen headless. That is log in remotely via ssh,...
0
votes
1
answer
22
views
I Can't Connect To WiFi anymore
I followed some instructions from the raspberry pi site for updating my OS, upon reboot I can no longer connect to WiFi. My WiFi icon in the menu is saying there are "No wireless interfaces found....
- 1
0
votes
1
answer
23
views
Raspberry Pi Bullseye Splash Video
I'm trying to setup a custom video splash screen before an app loads up.
It used to be really easy using omxplayer but it's now depreciated and I can't get it to install. All the posts I've found have ...
0
votes
0
answers
27
views
Is there any way to give the Pi hardware HEVC or AV1 real-time encode support?
I’ve been working on a project for a while that requires streaming video off of the Pi over cell data with as little latency as possible. In my case the Pi4/CM4 does not have fast enough H.264 ...
- 1
0
votes
0
answers
6
views
Ring Buffer not preventing excessive file count [closed]
I am running a program to capture network traffic. We have limited SD card size so I have been trying to establish a ring buffer to allow the most recent traffic and keep file size/quantity low.
#!/...
- 1
0
votes
0
answers
13
views
Unable to access Raspberry Pi through Serial Connection
With the setup I am using, the Pi fills up with logs. The ring buffer I have set up doesn't seem to work and fills the SD card.
I accessed the unit before using serial connection but now I do not get ...
- 1
1
vote
1
answer
37
views
Problem installing centos7 on raspberry pi 4b
I am trying to install centos7 on Raspberry Pi 4b+ version.
Image for rpi4 of ARM64 and ARM32 on the official website (https://www.centos.org/download/) (https://ftp.yz.yamagata-u.ac.jp/pub/linux/...
- 11
0
votes
0
answers
22
views
Why is digitalRead/digitalWrite not working in C++ nor in gpio terminal commands?
I'm writing in C++ using WiringPi to integrate with GPIO but it doesn't seem to work during runtime.
Below I have a simple example of an output wired to an input expecting the input to read HIGH, but ...
- 1
0
votes
0
answers
13
views
Raspian continuously reboots after reaching autologin console
I'm a pretty experienced Raspberry Pi / Raspian / Raspberry OS user and can't figure this one out.
Background: I started encountering this issue about a month ago on two varieties: RPi4 and RPiZero2. ...
- 1
0
votes
0
answers
11
views
Help Needed with Keyboard Layout Toggling on Raspberry Pi 4B (Arabic/English)
Hello Raspberry Pi Community,
I'm experiencing challenges in configuring my Raspberry Pi 4B to toggle between Arabic and English keyboard layouts. Despite numerous attempts with different methods, I ...
- 1
-3
votes
1
answer
34
views
When will the latest Firefox be available on Raspbian?
2023-11-27_Mon_10:26:33
Hi,
I am getting very tired of Firefox-ESR. It is simply NOT modern enough to keep up with many of today's websites. Examples: YouTube, Amazon, Google Maps, ... My main ...
-1
votes
0
answers
10
views
How to fetch images from camera with DMA?
How to fetch images from camera with DMA?
I have a imxXXX-like camera which seems to work only with DMA. Not an expert, but, from what I understand, DMA is like MMAP but with different kind of buffers ...
- 129