All Questions
35,730
questions
0
votes
0
answers
40
views
Raspberry Pi camera footage stream slow, missing segments
I'm trying to make a Raspberry Pi 4b (8gb RAM) based, motion sensing remote camera using the basic recipe included in the picamera.py documentation. A client script running on the Pi initializes a ...
0
votes
0
answers
40
views
"IP forbidden" for Raspberry Pi, but not for laptop, after home IP change
The problem
Recently my ISP gave my home a new IP address. I run a program on the Raspberry Pi that connects to some external APIs that have my home IP address whitelisted. After the IP change, a few ...
- 101
0
votes
1
answer
110
views
Enable hardware video decoding in VLC on Raspberry Pi OS Bullseye
As the title says: How can I enable hardware video decoding in VLC (or other player) in Raspberry Pi OS Bullseye?
I'm on a Raspberry Pi 3B+. Video playback in OSMC is smooth but in Raspberry Pi OS it ...
- 101
0
votes
1
answer
34
views
Assigning a domain name in my local network (RaspAP on RPI4)
For my final presentation this semester, I have setup a local network using RaspAP on my RPI 4+. I have a websever available locally @ 10.3.141.91 and I would like to assign it a domain name (example....
- 1
0
votes
1
answer
26
views
Chromium, execute website UI commands?
Im running Raspberry pi OS on a Raspberry pi 3. Im trying to setup so when I boot, It should start Chromium in kiosk mode on a specific site, Flightradar24. So far so good. But I would like it to ...
1
vote
1
answer
110
views
Can't generate PWM output on RP2040 other than square waves
I was playing with PWM on the RP2040. I can do square waves, but pretty much everything else does not work. I have recorded the PWM output with a sound card at 44100 Hz in order to verify it visually. ...
-1
votes
0
answers
25
views
Cant run Tshark in monitor mode althouh monitor mode is enabled
So I have been investing quite a few hours nowin this.
What do I want to do?
I have a small Smarthome installation at home using the Webthings gateway which is running on a pi. I have two bulbs ...
- 1
0
votes
1
answer
19
views
How to change the directory of an appication in the main menu
I am running a raspberry pi 4 model B, using LXPannel, and i am trying to organize my main menu. But i have not found a way to move an application from one place(like education) to another(such as ...
0
votes
0
answers
41
views
Help! GSM/GPRS/GNSS HAT - SIM 868
have be struggling for a while with this bit of Python. I have not wrote this code it got installed with the the tracker from this website (https://medium.com/@onehitwonder/how-to-build-a-raspberry-pi-...
1
vote
0
answers
43
views
Having issues interfacing SPS30 with Pico
I am trying to interface SPS30 via UART, but I am not able to start the fan. I am getting some response but it won't match any possible response from the datasheet. Using Micropython.
Below is the ...
- 11
0
votes
0
answers
9
views
Help How to download drivers for a Belkin Wireless G Zydas firmware
I need help on how to download drivers for a Belkin Wireless G Zydas firmware. I have no idea how to. Thanks
0
votes
1
answer
22
views
Autostart syncthing after reboot
I have installed syncthing on my Raspberry Pi but it does not start automatically.
How can I run it automatically after a reboot?
- 139
1
vote
1
answer
41
views
Decoding RS-232 via UART
Context: I'm trying to read a simple sensor that uses RS232 protocol to send data.
The sensor is a maxbotix US distance sensor (https://www.maxbotix.com/documents/HRXL-MaxSonar-WR_Datasheet.pdf). ...
- 113
0
votes
0
answers
12
views
Ubuntu 20.04 XFCE shows incomplete windows
Using my Raspberry Pi (Model 4 with 8GiB of 2020) works fine, although it is considerably slower than my (older) Android phone, a OnePlus 6. But the slowness is not the issue.
I installed Ubuntu 20.04 ...
0
votes
2
answers
47
views
How to manage with raspberry pi two L298N H-bridge drivers
I connected to my Raspberry pi 3b+ two L298N H-bridge drivers and 4 motor (two for each driver) and i tried the code below:
Assumption: I purposely used this script because I wanted to test the ...
- 101
1
vote
1
answer
29
views
Attempting to use an AVerMedia A835 USB dongle as a general purpose radio receiver - is this possible?
As the title suggests, I would like to try to use an AVerMedia A835B USB dongle to receive radio signals (not just TV). Why? Because I happen to have one and would like to try to get it to work for ...
- 113
0
votes
0
answers
21
views
Raspberry Pi as high current PoE source
I'm trying to set up my Raspberry Pi 4 as a POE power source that the rest of its project will use. We currently use a separate POE injector and supporting parts, which is really messy. Most of the ...
- 151
0
votes
1
answer
45
views
raspberry pi zero 2 w: use PL011 UART and log on to linux over wifi simultaneously
Here is what I am trying to do: log on to linux running on a raspberry pi zero 2 W. But I also want to use the "real" UART PL011 (NOT the mini uart) for RS485 (modbus) at the same time.
On ...
-1
votes
1
answer
30
views
Raspberry stuck in PyCharm User Agreement
Ive downloaded an extracted Pycharm on my Raspberry Pi. The problem is, when i start the pycharm.sh script, the pycharm user agreement window appears, but stays stuck with a lightblue background.
- 99
1
vote
1
answer
62
views
I'm unable to install FLAC on my Raspberry Pi 3
I'm trying to make a tts program on my Raspberry Pi 3 and I'm using Googles TTS API which requires that I have FLAC installed on the Pi. When I attempt to install FLAC, I'm thrown this error-
pi@...
- 13
0
votes
0
answers
56
views
Raspberry Pi 4 as Wired Router
There're tutorials and video guides on setting up PiVPN or RaspAP or even a full blown router using OpenWRT but all I need is a wired router without too much complexity.
I have a gigabit connection ...
- 101
0
votes
0
answers
32
views
switch pro controllers bluetooth raspberry pi steam link not working
I have the following setup:
3 switch pro controllers paired with blueman bluetooth
Raspberry Pi 4 Model B Rev 1.2
Raspbian GNU/Linux 10 (buster)
latest steam link to my windows 10 pc
as long as I ...
- 101
0
votes
0
answers
49
views
raspberry pico, circuitpython and how to receive mqtt feeds reliably while showing time on pico
I am building a clock using rpi pico, max7219 and wiznet5k.
I am trying to incorporate mqtt functionality, in order to show important short messages to the max7219 every now and then.
I have run into ...
- 11
0
votes
0
answers
57
views
Can not install miniconda on raspberry pi 4b
I just installed the latest raspberry OS "2022-04-04-raspios-bullseye-arm64-lite.img.xz". Then I want to install miniconda. I downloaded the latest "Miniconda3 Linux-aarch64 64-bit"...
- 101
0
votes
0
answers
34
views
Raspberry pi 4 suddenly stopped booting up
My raspberry pi suddenly stopped booting up and started giving this message on boot loader.
Please let me kniw, if the sd card has got corrupted or anything else. What should I do?
0
votes
1
answer
55
views
CAN BUS communication issue
I am trying to set up communication between a rpi4b and pi zero using a custom mcp2515 module, it is custom because I changed the tja1050 for a sn65hvd230.
So, I am trying to send a simple message ...
- 1
0
votes
1
answer
37
views
uv4l WebRTC stream not working on Raspberry Pi zero 2 w
I want to use WebRTC over my Raspberry Pi zero 2 w with an external webcam, so that I can communicate to other raspberrys, computers or smartphones. Problem is, that I'm very new to this topic. I ...
- 1
0
votes
0
answers
24
views
Ubuntu Server 18 Wifi Hotspot setup shows weak security
Hi I am using my pi to run Ubuntu Server and used net-manager to set up an Access point.
I have everything working but when I connect to the Wi-fi on my iPhone it shows I have weak security.
I have ...
- 1
0
votes
0
answers
34
views
Hardware PWM not working in Ubuntu 20.04
I'm running Ubuntu 20.04 on an RPI 3b. I need both Hardware PWM channels. I added the following line to /boot/config.txt and /boot/firmware/usercfg.txt:
dtoverlay=pwm-2chan,pin=18,func=5,pin2=13,func2=...
- 111
0
votes
0
answers
27
views
Optimizing the pi for digital signage or Video playback
I want to use my raspberrys as a digital signage device. They show some Videos via google chrome but sometimes the videos don't run until the end but skip to the next video. I am using this wordpress ...
0
votes
2
answers
43
views
Many commands report "Input/output error"
$ uname -a
Linux xxx 5.15.30-v8+ #1536 SMP PREEMPT Mon Mar 28 13:53:14 BST 2022 aarch64 GNU/Linux
$ uptime
-bash: /usr/bin/uptime: Input/output error
$ free -h
-bash: /usr/bin/free: Input/output error
...
- 119
0
votes
0
answers
18
views
Can't Connect to Pi: ssh_exchange_identification: read: Connection reset by peer (Using external HDD/SSD)
Issue -- ssh_exchange_identification
This problem happens only when raspberry pi is been used with external SSD and this happens on a random occasion and prevents me to ssh into the pi. A simple ...
0
votes
0
answers
14
views
How to set the RPI4 NTP connection to the Windows NTP server
Here are the steps I've tried
windows
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters
[Type]=NTP
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config
[...
- 3
0
votes
1
answer
46
views
What is up with the different repositories and URLs?
I've got 2 rpis running bullseye, one recently installed and one image from a couple of months ago. The sources.list file changed dramatically.
My old installation:
# sources.list
deb http://raspbian....
- 1
0
votes
1
answer
23
views
Ubuntu minimal desktop installation on ubuntu server fails
I have a Raspberry PI running ubuntu server 22.04. Now I wanted to install a desktop environment with the following command:
sudo apt install ubuntu-desktop-minimal
But then I get these errors:
E: ...
0
votes
0
answers
24
views
How to use 'bcm2835' to control 'PmodAd1' so that he can at least 500KSPS sample rate?
my device is 'raspberry pi 3'
I am using 'PmodAD1', a 12bit ADC with 1Msps sampling rate
https://digilent.com/reference/pmod/pmodad1/start
Due to linux's 'spidev' system, my sample rate is compressed ...
0
votes
2
answers
34
views
(Pico) USB serial connection having noise?
I'm having some trouble trying to make a simple USB IO demo to test the Pico. Apparently, the USB serial connection seems to be noisy, and always puts something into the UART buffer even though I am ...
0
votes
0
answers
37
views
Unable to login unless external hard drive is disconnected
I had set up my Pi 3b as a NAS with the help of an external hard drive, powered by a USB hub. This worked for a week. Today after boot, I'm seeing the message:
You are in emergency mode. After ...
0
votes
1
answer
28
views
bcm2835_spi_begin failed. Are you running as root?
I use bcm2835's mcp3008 sample program to export to .so
Then use ctypes to draw .so in python
But in the process of compiling python, the following error is thrown
bcm2835_spi_begin failed. Are you ...
0
votes
1
answer
95
views
how to power motors correctly on raspberry pi pico
I was using my raspberry pi pico and testing motors, and it worked just fine(pins was in GND + 3v3 pins). Then I wanted to use On/Off function in C, And i used the pin GP28_A2 to use it. But it wont ...
- 9
0
votes
0
answers
23
views
Raspberry Pi 4 does not boot with 3 devices connected to USB
I have connected three devices to my Raspi4 USB: Logitech wireless gamepad dongle, and YDLidar-X4, and Arduino UNO.
The YDLidar-X4 is separately powered with 5V supply, the Arduino is separately ...
- 1
0
votes
0
answers
15
views
USB for KNX detected but not recognized
I'm using a Raspberry 3 for some home automation.
I installed openHAB 2.5.5-1 that runs on top of Raspbian GNU/Linux 10 (buster).
I use a device (OWL CM160) connected to the USB to record on a remote ...
- 1
0
votes
0
answers
24
views
Weird artifacting results in green gibberish on some applications but everything else is fine?
I've seen the following corruption before on programs usually on Raspberry Pi, but it's doing it again and I'd at least like to know the cause. This is Ubuntu 20.04 on a Raspberry pi 4, 4GB edition. I'...
- 341
0
votes
1
answer
24
views
Pigpio Hardware PWM_unable to write frequency above 5Khz
I have been using the pigpio library as a modified spi interface to send and receive serial data. I use Chip Select, Clock, and Data Lines but i am using "bit-banging" for the timing between ...
- 11
0
votes
0
answers
61
views
How do I calculate the transmission of a mobile robot?
I have some questions about implementing a mobile robot.
I have an old construction mobile robot wherein this robot the main controller has been removed, and I put in its place a Raspberry Pi 4.
I ...
- 11
0
votes
0
answers
39
views
C programming - Cannot open /dev/ttyS0 in blocking mode
I am trying to open /dev/ttyS0 in order to write over serial GPIO pin 8. I am using the Raspberry Pi Zero W and noted something strange. When I try to open dev/ttyS0 in nonblocking mode, I am able to ...
- 1
0
votes
1
answer
43
views
raspberry pi pico to pc communication
I have a raspberry pi pico and want it to execute files on my windows pc(for example: if I press a button it opens a file). Because I am new to microcontrollers I have no idea how to do this. there is ...
0
votes
0
answers
28
views
EXIF metadata with libcamera
Why is libcamera-still not saving basic EXIF metadata?
How can I tell libcamera-still to do that?
I'm capturing photos with libcamera-still. Some EXIF metadata is stored in the file, like ISO and ...
- 123
0
votes
0
answers
40
views
BULLSEYE unable to run chmod etc
$ cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 11 (bullseye)"
NAME="Raspbian GNU/Linux"
VERSION_ID="11"
VERSION="11 (bullseye)"
VERSION_CODENAME=bullseye
...
- 1
0
votes
0
answers
15
views
I have hosted motion on a rasberry pi how to I send the feed to another public webserver
I have hosted motion on a local network raspberry pi how to I send the feed to another public webserver as I do not want to get users accessing my network for safety reasons. any suggestions are ...
Hot Network Questions
- Check a mushroom forest
- Separation of the Church and State in Hinduism
- Can the patent and paper have different authors (assume they include the same content)?
- What is the name of this creature?
- Check stock status at a retailer
- From which episode of TOS was this gif of Spock pulling clothes out of a dresser drawer taken?
- The Unaverageables
- What are some ways to ensure that a cryptography library is reliable in an ecosystem that is new to me?
- Show/miniseries which aired on HBO in the early '90s, featuring "Water Police"
- A man eats a ghost
- What was this completely destroyed piece?
- Blocky SRTM hillshade in QGIS
- How to make photo-realistic lettuce?
- \scalebox in column specification operator >{...}
- Ambiguous death vs perfect scanner
- Children’s book with a mouse called Nils
- After the fall of Roe vs. Wade, are women at risk of criminal prosecution?
- Confusion with Doppler effect problem
- Why is the left/right spectrum defined so ambiguously? (Europe)
- Why do pro gun and anti abortion (and vice versa) views go together in the USA?
- Will Roadster ever encounter Mars?
- How can I add a layer of meaning to an evil campaign?
- Is "¿Qué dices si te rompo la cara?" a good translation of "what'd you say about me breaking your face"?
- What does "CATs three and four" mean?