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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 ...
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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 ...
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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 ...
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  • 101
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1 answer
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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....
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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 ...
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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. ...
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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 ...
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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 ...
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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-...
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1 vote
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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 ...
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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
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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?
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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). ...
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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 ...
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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 ...
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  • 101
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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 ...
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  • 113
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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 ...
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  • 151
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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 ...
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-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.
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  • 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@...
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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 ...
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  • 101
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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 ...
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  • 101
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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 ...
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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"...
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  • 101
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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?
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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 ...
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  • 1
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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 ...
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  • 1
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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 ...
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  • 1
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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=...
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  • 111
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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 ...
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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 ...
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  • 119
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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 ...
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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 [...
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  • 3
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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....
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  • 1
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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: ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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  • 1
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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 ...
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  • 1
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0 answers
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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'...
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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 ...
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  • 11
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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 ...
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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 ...
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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 ...
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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 ...
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  • 123
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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 ...
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  • 1
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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 ...
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