RASPBERRY PI – IRZU INSTITUTE

RESEARCH

Numpy Error with Python 3.9 on Raspberry PI 4

December 9, 2023admin

When I run my program where I import numpy from the CLI, the following error occurs: Traceback (most recent call last): File “/usr/local/lib/python3.9/dist-packages/numpy/core/init.py”, line 24, in from . import multiarray…Read moreNumpy Error with Python 3.9 on Raspberry PI 4

RESEARCH

operational amplifier – How to ramp a bi-polar Return to Zero (RZ) digital waveform

December 6, 2023admin

I am using a Raspberry Pi Pico and a few op-amps and resistors to implement an ARINC 429 transmitter. ARINC 429 is a bipolar RZ serial communication protocol commonly used…Read moreoperational amplifier – How to ramp a bi-polar Return to Zero (RZ) digital waveform

RESEARCH

operational amplifier – How to ramp a bi-polar Return to Zero (RZ) digital waveform

December 6, 2023admin

I am using a Raspberry Pi Pico and a few op-amps and resistors to implement an ARINC 429 transmitter. ARINC 429 is a bipolar RZ serial communication protocol commonly used…Read moreoperational amplifier – How to ramp a bi-polar Return to Zero (RZ) digital waveform

ACOUSTICS & DSP RESEARCH

pi zero – Stream two webcam video from Raspberry Pi 0 W to mac over wifi

December 6, 2023admin

I have to stream two webcam videos from a Raspberry Pi 0 to a mac book air. The webcam is a Trust Trino HD webcam. Ideally the streams shall have…Read morepi zero – Stream two webcam video from Raspberry Pi 0 W to mac over wifi

RESEARCH

python – Raspberry pi control from a private ip

December 5, 2023admin

So, i have a raspberry pi and was wondering, How do i host a html,css and python based website. Its not really a website. But i want to use python…Read morepython – Raspberry pi control from a private ip

ACOUSTICS & DSP INTERVIEWS LOW VOLTAGE IC

[Interview] Stefano D’Angelo PhD, Italy (Digital Signal Processing Engineer, contracting engineer)

December 3, 2023admin

Stefano D’Angelo, PhD, is a DSP engineer from Italy, he has created many popular audio synthesis VST plugins, and has authored many scientific papers in the field of audio DSP…Read more[Interview] Stefano D’Angelo PhD, Italy (Digital Signal Processing Engineer, contracting engineer)

3D PRINTING RESEARCH

pi 4 – How can I generate a hardware PWM on Raspberry Pi 4 using Python?

December 3, 2023admin

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…Read morepi 4 – How can I generate a hardware PWM on Raspberry Pi 4 using Python?

RESEARCH

cmake – Compiler issues using Raspberry Pi 4B

December 3, 2023admin

I am a newbie at ROS, so there is a lot of things to learn. I successfully installed Ubuntu Server and ROS2 Humble on my Raspberry Pi 4B (2GB). When…Read morecmake – Compiler issues using Raspberry Pi 4B

DATA MANAGEMENT MQTT & IOT AUTOMATION RESEARCH

python – Unable to connect to the MQTT broker using a dynamic Wi-Fi IP after fixing the Ethernet IP address

November 28, 2023admin

I’ve figured out why I couldn’t connect to the MQTT broker using a dynamic Wi-Fi IP because I’ve set a fixed IP address for the Ethernet. I’m using a Raspberry…Read morepython – Unable to connect to the MQTT broker using a dynamic Wi-Fi IP after fixing the Ethernet IP address

RESEARCH

Project guidance Raspberry PI VM cluster

November 25, 2023admin

Hi! I am planning to do a new fun project! I want to try to create a Raspberry Pi cluster which I can host my own Virtual Machines on. And…Read moreProject guidance Raspberry PI VM cluster

3D PRINTING RESEARCH

c++ – Raspberry pi + Qt cannot create an instance of QPixmap

November 24, 2023admin

I have written some program in Qt on Windows PC and now trying to recompile it on a Raspberry Pi. The problem I’m facing with, is the following: There are…Read morec++ – Raspberry pi + Qt cannot create an instance of QPixmap

LOW VOLTAGE IC RESEARCH

Raspberry Pi Compute Module CM4108000

November 24, 2023admin

Feature High-performance 64-bit quad-core processor Dual display support at resolutions up to 4K Hardware video decode at up to 4Kp60 Dual camera interfaces PCIe Gen 2 x1 interface Description Raspberry…Read moreRaspberry Pi Compute Module CM4108000

ACOUSTICS & DSP RESEARCH

Raspberry Pi 5 SC1152 Power Supply 27W USB-C

November 22, 2023admin

*Disclaimer: The images are merely illustrative. Specifications Input: 200-240V Output: 5A @ 5.1V, 3A @ 9V, 2.25A @ 12V, 1.8A @ 15V Connector: USB-C Cable: 1.2m, 18awg Colors: White…Read moreRaspberry Pi 5 SC1152 Power Supply 27W USB-C

3D PRINTING ACOUSTICS & DSP RESEARCH

raspbian – Problema con ALSA con Raspberry Pi 4b y reconocimiento de voz

November 19, 2023admin

I get the following error, and it does not return the speech_recognition information: Expression ‘GetExactSampleRate( hwParams, &defaultSr )’ failed in ‘src/hostapi/alsa/pa_linux_alsa.c’, line: 895 Expression ‘GetExactSampleRate( hwParams, &defaultSr )’ failed in…Read moreraspbian – Problema con ALSA con Raspberry Pi 4b y reconocimiento de voz

JS, REACT, & NODE RESEARCH

node.js – Installing Node-RED Debian package – nodered:armhf : Depends: npm:armhf (>= 7) but it is not installable

November 19, 2023admin

I wish to install Node-RED from Debian packages. I don’t wish to follow this guide Running on Raspberry Pi We provide a script to install Node.js, npm and Node-RED onto…Read morenode.js – Installing Node-RED Debian package – nodered:armhf : Depends: npm:armhf (>= 7) but it is not installable

RESEARCH

python – Turning on LEDs by interrupt using a button with Raspberry Pi Pico H

November 18, 2023admin

from machine import Pin interrupt_flag=0 counter=0 buton_1= Pin(5, Pin.IN, Pin.PULL_UP) buton_2= Pin(6, Pin.IN, Pin.PULL_UP) led= Pin(“LED”, Pin.OUT) def callback(buton_1): global interrupt_flag interrupt_flag=1 buton_1.irq(trigger= Pin.IRQ_FALLING, handler=callback) def callback2(buton_2): interrupt_flag=1 buton_2.irq(trigger= Pin.IRQ_FALLING,…Read morepython – Turning on LEDs by interrupt using a button with Raspberry Pi Pico H

RESEARCH

Problems Setting up a Cerbo GX on a Raspberry Pi with MacBook Pro laptop | Page 2

November 17, 2023admin

Where is “there”? When I use Victron Connect, I can see the Cerbo GX Pi on the Victron Connect device list (a photo of which is depicted on post number…Read moreProblems Setting up a Cerbo GX on a Raspberry Pi with MacBook Pro laptop | Page 2

DATA MANAGEMENT RESEARCH

Problem with giving rights to the Apache folder on a Raspberry Pi 3 B+ on Raspbian

November 16, 2023admin

I am currently trying to install an apache web server on my raspberry pi 3b+, I am an amateur and am just following a tutorial from the official website(raspberry-pi.fr/installer-serveur-web-raspberry-lamp/) I…Read moreProblem with giving rights to the Apache folder on a Raspberry Pi 3 B+ on Raspbian

RESEARCH

adc – NodeRed for WaveShare AD Hat for Raspberry Pi 4? How?

November 16, 2023admin

I have this analog-digital converter hat from the company WaveShare, and I am hoping to use it with a Raspberry Pi 4 to get a reading from this analog flow…Read moreadc – NodeRed for WaveShare AD Hat for Raspberry Pi 4? How?

JS, REACT, & NODE RESEARCH

Trouble installing MM on Raspberry Pi Desktop for PC

November 15, 2023admin

Hi, I’ve run into trouble trying to install MagicMirror on an old intel NUC, on top of an installation of Debian with Raspberry Pi Desktop for PC/Mac from www.raspberrypi.com/software/raspberry-pi-desktop/ It…Read moreTrouble installing MM on Raspberry Pi Desktop for PC

DATA MANAGEMENT RESEARCH

SD card or Raspberry Pi broken no data SBFSpot

November 8, 2023admin

Hi, I’m using a raspberry Pi now for a very long time with SBFSpot to read my data from the SMA inverter.But yesterday, I received a message: Idle for more…Read moreSD card or Raspberry Pi broken no data SBFSpot

3D PRINTING RESEARCH

Plex loses connection to OMV 6 while streaming from raspberry pi – General

November 8, 2023admin

7.11.2023, 21:55:20 collectd[939]: Filter subsystem: Built-in target `write’: Dispatching value to all write plugins failed with status -1. 7.11.2023, 21:55:20 collectd[939]: rrdcached plugin: rrdc_update (/var/lib/rrdcached/db/localhost/df-root/df_complex-used.rrd, [1699390520.276261:13843304448.000000], 1) failed: rrdcached@unix:/run/rrdcached.sock: illegal…Read morePlex loses connection to OMV 6 while streaming from raspberry pi – General

DATA MANAGEMENT LOW VOLTAGE IC MQTT & IOT AUTOMATION RESEARCH

development board – Choosing the Right SBC for an IoT Home Automation Project

November 7, 2023admin

I am embarking on an IoT home automation project and I’m in the process of selecting a suitable Single Board Computer (SBC) for my needs. The project will involve managing…Read moredevelopment board – Choosing the Right SBC for an IoT Home Automation Project

RESEARCH

Raspberry Pi DC 5V 0.13A Cooling Fan Philippines

November 7, 2023admin

Raspberry Pi DC 5V 0.13A 3010 Cooling Fan Let’s admit it. The Raspberry Pi gets a little too hot when you use it for heavy processing. It even shuts down…Read moreRaspberry Pi DC 5V 0.13A Cooling Fan Philippines

RESEARCH

virtualbox – Is it possible to set up a Raspberry Pi image in a virtual machine on a desktop, and then image it onto a microSD for the RPi?

November 4, 2023admin

When trying to install packages directly on a Raspberry Pi, it is slow and sometimes it hangs indefinitely. I was wondering if there was a way to do this on…Read morevirtualbox – Is it possible to set up a Raspberry Pi image in a virtual machine on a desktop, and then image it onto a microSD for the RPi?

RESEARCH

raspberry pi – Update “let’s encrypt” certificate from command line

October 31, 2023admin

yeah, certbot renew is the way to go. Do it without –force-anything. If the certificate isn’t due for a renewal, it isn’t due. Don’t know what Linux distro “NextcloudPi” (never…Read moreraspberry pi – Update “let’s encrypt” certificate from command line

RESEARCH

ros – Raspberry pi won’t boot when booting with LIDAR connected to raspberry pi

October 31, 2023admin

This question was helped by a translator. I’m currently installing Ubuntu 18.04, ROS Melodic on Raspberry Pi 3B+. However, if you boot the Raspberry Pi with LD06 LIDAR connected, it…Read moreros – Raspberry pi won’t boot when booting with LIDAR connected to raspberry pi

RESEARCH

python – OpenCV Raspberry Pi Error Could not build wheels

October 30, 2023admin

I’m attempting to install OpenCV on my Raspberry Pi 3B+, and I’m encountering an issue during the installation using pip install. I consistently receive the following error message: ERROR: Failed…Read morepython – OpenCV Raspberry Pi Error Could not build wheels

DATA MANAGEMENT RESEARCH

USB serial connection between Raspberry-pi and Android-phone

October 27, 2023admin

I have a Raspberry-pi-3-model-B and an Android phone device. The connections are as follows: My raspberry pi is connected to my laptop through USB (this is not the important part).…Read moreUSB serial connection between Raspberry-pi and Android-phone

RESEARCH

Raspberry Pi USB 3.0

October 27, 2023admin

Howdy folks, Don’t know if this is a “thing” or not, but I wanted to put out a lesson’s learned for your consideration: I’m running the Nooelec NESDR SMArt v5…Read moreRaspberry Pi USB 3.0

RESEARCH

lxde – Raspberry Pi: Starting chromium in fullscreen kiosk

October 24, 2023admin

On the raspberry pi desktop bootup, I want chromium to start in fullscreen kiosk mode where it also cover the raspberry pi menu panel. I can’t get chromium to go…Read morelxde – Raspberry Pi: Starting chromium in fullscreen kiosk

RESEARCH

The Raspberry Pi Project That’ll Help You Sleep Better At Night

October 22, 2023admin

The Ultimate Noise Box is a Raspberry Pi-powered white noise machine. Out of the box, it features only nine audio samples. You can upload custom WAV files (in uncompressed PCM…Read moreThe Raspberry Pi Project That’ll Help You Sleep Better At Night

DATA MANAGEMENT RESEARCH

raspbian – setting up DS18b20 temperature sensor on raspberry pi

October 20, 2023admin

I have been following along with the instructions here: Connecting a DS18B20 thermal sensor to your Raspberry Pi – Raspberry Pi Temperature It is a little outdated from 2019 but…Read moreraspbian – setting up DS18b20 temperature sensor on raspberry pi

RESEARCH

raspberrypi – Raspberry Pi 3B+ doesnt boot from USB on 23.10 Mantic

October 19, 2023admin

I have a Raspberry Pi 3 B+, booting from a hdd drive plugged on USB. Been running several versions of Ubuntu fine with this, I was lately running 22.04. Tried…Read moreraspberrypi – Raspberry Pi 3B+ doesnt boot from USB on 23.10 Mantic

3D PRINTING RESEARCH

raspberry pi – python-configparser not found on ubuntu 22.04

October 19, 2023admin

I’m trying to install this github.com/pimoroni/displayhatmini-python on a raspberry pi running Ubuntu 22.04 and when I run the install.sh it fails on this: E: Unable to locate package python-configparser Unfortunately,…Read moreraspberry pi – python-configparser not found on ubuntu 22.04

RESEARCH

high voltage – Nixie Clock with Raspberry pi pico

October 18, 2023admin

I am trying to make a multifunctional nixie clock controlled with 2 raspberry pi picos. Because of my mistake I can’t plug every IN-12Bs into sockets. So I can only…Read morehigh voltage – Nixie Clock with Raspberry pi pico

3D PRINTING DATA MANAGEMENT RESEARCH

raspberry pi – usb qrcode reader acting as HiD device with python

October 11, 2023admin

I would like the input from qrcode reader to constantly input when a qrcode is presented and the following code to run. my usb qrcode reader is connected to a…Read moreraspberry pi – usb qrcode reader acting as HiD device with python

DATA MANAGEMENT LOW VOLTAGE IC RESEARCH

Raspberry Pi Pico W

October 10, 2023admin

Raspberry Pi Pico W adds on-board single-band 2.4GHz wireless interfaces (802.11n) using the Infineon CYW4343 while retaining the Pico form factor. The on-board 2.4GHz wireless interface has the following features:…Read moreRaspberry Pi Pico W

RESEARCH

5 Of The Best Places To Find New Raspberry Pi Projects

October 7, 2023admin

The Raspberry Pi subreddit is an easy place to hop on and find inspiration. People will post the gadgets they created using a Raspberry Pi here all the time, and…Read more5 Of The Best Places To Find New Raspberry Pi Projects

RESEARCH

operating system – How can i upgrade my raspberry pi OS to 64bit and keep my files and systemd services?

October 5, 2023admin

i have a raspberry pi 4 with an arm7vl OS, but i have to have 64bits OS to download geckodriver which i need, so i tried backing up my sd…Read moreoperating system – How can i upgrade my raspberry pi OS to 64bit and keep my files and systemd services?

RESEARCH

5inch IPS Display for Raspberry Pi, DPI interface, no Touch, 800×480

October 4, 2023admin

*Disclaimer: The images are merely illustrative. Features 5inch IPS screen, 800×480 hardware resolution Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards The LCD is directly driven…Read more5inch IPS Display for Raspberry Pi, DPI interface, no Touch, 800×480

3D PRINTING ACOUSTICS & DSP DATA MANAGEMENT EVENTS INTERVIEWS

[Interview] Daniel Iglesia, San Francisco (Audio Engineer, iOS/Android Developer)

October 4, 2023October 6, 2023admin

Daniel Iglesia is an author of popular music software MobMuPlat, MiniMash, and SpaceLab. He is also a musician and a composer and his works have been showcased in prestigious venues…Read more[Interview] Daniel Iglesia, San Francisco (Audio Engineer, iOS/Android Developer)

LOW VOLTAGE IC RESEARCH

raspberry pi – Running hci lescan with timeout breaks the command

October 4, 2023admin

So the command sudo hcitool lescan outputs bluetooth addresses until ctrl+c is pressed. I want to have the command run for 20 seconds and capture the output. I tried running…Read moreraspberry pi – Running hci lescan with timeout breaks the command

RESEARCH

Does the Raspberry Pi 5 have a Power Button and How Does it Function?

October 3, 2023admin

The Raspberry Pi 5 has a power button. Once Pi OS has booted, in Linux it appears to the operating system as a normal key input providing KEY_POWER scan code. /etc/systemctl/logind.conf…Read moreDoes the Raspberry Pi 5 have a Power Button and How Does it Function?

ACOUSTICS & DSP RESEARCH

raspberry pi – Trouble using jackd with ALSA and an “AudioInjector Octo”

September 28, 2023admin

I am attempting to run an AudioInjector Octo (a simple 8-channel audio hardware card) on a Raspberry Pi 4, running the Raspberry Lite OS. My understanding is that ALSA manages…Read moreraspberry pi – Trouble using jackd with ALSA and an “AudioInjector Octo”

3D PRINTING LOW VOLTAGE IC RESEARCH

Raspberry Pi 5 – 4GB – DEV-23550

September 28, 2023admin

The next iteration of the Raspberry Pi single board computer featuring a 64-bit quad-core Arm Cortex-A76 processor running at 2.4GHz, Raspberry Pi 5 delivers a 2–3× increase in CPU performance…Read moreRaspberry Pi 5 – 4GB – DEV-23550

LOW VOLTAGE IC RESEARCH

android source – Failed to compile – Raspberry pi 4

September 27, 2023admin

According to this instruction tried to compile android automotive for raspberry pi 4. github.com/grapeup/aaos_local_manifest After . build/envsetup.sh , when lunch command is given, getting error as follows: che7@che7-w30984:~/aosp_raspberry$ lunch You’re…Read moreandroid source – Failed to compile – Raspberry pi 4

MQTT & IOT AUTOMATION RESEARCH

Windows 10 IoT Core – Thurrott.com

September 26, 2023admin

I recently had an idea for a Raspberry Pi project and thought I would try using Windows IoT Core with it since I have experience with UWP apps and thought…Read moreWindows 10 IoT Core – Thurrott.com

LOW VOLTAGE IC MQTT & IOT AUTOMATION RESEARCH

SIM7028 NB-IoT HAT for Raspberry Pi, Supports Global Band NB-IoT Communication, Small In Size And Low Power Consumption

September 20, 2023admin

NB-IoT SIM7000C: LTE-FDD: B1, B3, B5, B8SIM7000E: LTE-FDD: B3, B8, B20, B28 B1, B2, B3, B4, B5, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28…Read moreSIM7028 NB-IoT HAT for Raspberry Pi, Supports Global Band NB-IoT Communication, Small In Size And Low Power Consumption

RESEARCH

nginx – Reverse proxy for use with iframe

September 19, 2023admin

Weather Observations-II this web page has the following link: Videofeed of Weather Condition this page calls iframe link: <iframe width-“1300″ height=”731″ src=”http://c500.duckdns.org:8889/backyard”></iframe> /backyard is video camera streaming webRTC; from a…Read morenginx – Reverse proxy for use with iframe

RESEARCH

Raspberry pi running arch linux connected to two different wan ports(wifi and ethernet) I want to disable intenet access and keep local access

September 17, 2023admin

Please if anyone can help that is really appreciated. I have a unique setup I think. I have a raspberry pi running pikvm. I have two internet connections at home…Read moreRaspberry pi running arch linux connected to two different wan ports(wifi and ethernet) I want to disable intenet access and keep local access

LOW VOLTAGE IC RESEARCH

Raspberry Pi Zero W bluetooth connecting and disconnecting

September 17, 2023admin

I am trying to connect my raspberry pi zero W to my pixel 7 phone. I can pair and connect for about 3 seconds then it disconnects. Ive trusted my…Read moreRaspberry Pi Zero W bluetooth connecting and disconnecting

RESEARCH

12 of the best free online courses from the Raspberry Pi Foundation

September 17, 2023admin

TL;DR: Find a wide range of free online courses from the Raspberry Pi Foundation on edX. Find lessons on AI, machine learning, web development, and more. If you’re interested in…Read more12 of the best free online courses from the Raspberry Pi Foundation

RESEARCH

raspbian – Raspberry Pi 3b+ camera not recognized

September 15, 2023admin

I have a new RPi 3B+ and I’ve tried connecting two different OV5647 cameras I bought with it. However, libcamera commands always fail with ERROR: *** no cameras available ***…Read moreraspbian – Raspberry Pi 3b+ camera not recognized

DATA MANAGEMENT RESEARCH

The Paragraphica is an AI camera that creates images based on location data and without a lens

September 14, 2023admin

Bjorn Karmann, creator of the Paragraphica Here’s something you may have missed: An AI camera. This camera, called the Paragraphica, vaguely resembles the face of a demogorgon from Stranger Things…Read moreThe Paragraphica is an AI camera that creates images based on location data and without a lens

RESEARCH

linux – C program runs on Raspberry Pi (32bit) but not on Windows 10 (64 bit)

September 10, 2023admin

I have written a C program on the RPi, compiled it using its gcc compiler and it runs exactly as it should. Basically: opens a file for read and a…Read morelinux – C program runs on Raspberry Pi (32bit) but not on Windows 10 (64 bit)

RESEARCH

Miniature Plant Monitors : plant monitor

September 4, 2023admin

The ‘Enviro Grow’ is an innovative plant monitor system that is high in functionality but low in size due to the fact that it takes the form of a Raspberry…Read moreMiniature Plant Monitors : plant monitor

3D PRINTING DATA MANAGEMENT RESEARCH

python – Raspberry Pi transmits corrupted data

August 31, 2023admin

I have a Raspberry Pi Zero trying to read GPS data. With this command: sudo cat /dev/ttyAMA0 I get the following correct data: $GPGSV,1,1,0*49 $GPRMC,,V,,,,,,,,,,N*53 $GPVTG,,,,,,,,,N*30 $GPGGA,,,,,,0,00,99.99,,,,,,*48 $GPGLL,,,,,,V,N*64 $GPGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99*30 But…Read morepython – Raspberry Pi transmits corrupted data

LOW VOLTAGE IC RESEARCH

raspberry pi Zero W reboots and kernel panic

August 8, 2023admin

Port-arm archive [Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index] To: Ramiro Aceves <ea1abz%gmail.com@localhost> Subject: Re: raspberry pi Zero W reboots and kernel panic From: Martin Husemann <martin%duskware.de@localhost> Date: Mon,…Read moreraspberry pi Zero W reboots and kernel panic

RESEARCH

Need to get notified of calls or texts enough to wake me from a deep sleep

August 5, 2023admin

I’d like to be sure I don’t miss any calls or texts while I’m asleep. I’ve got the phone right next to my bed and turned up all the way.…Read moreNeed to get notified of calls or texts enough to wake me from a deep sleep

RESEARCH

CRUD example with Express Rest Apis

July 31, 2023admin

Learn how to implement and build your own Custom YOLOv4 Object Detector with TensorFlow 2.0, TensorFlow Lite, and TensorFlow TensorRT Models. Perform custom YOLOv4 object detections on images, video and…Read moreCRUD example with Express Rest Apis

MQTT & IOT AUTOMATION RESEARCH

c# – Way to build, move, start Project and attach Debugger from Windows Machine on Linux Raspberry Pi

July 11, 2023admin

I have a Asp.Net Core Project on my Windows PC. The goal is to run and debug this app on my Raspberry Pi via remote access. The Pi has a…Read morec# – Way to build, move, start Project and attach Debugger from Windows Machine on Linux Raspberry Pi

ACOUSTICS & DSP DATA MANAGEMENT RESEARCH

vc4: hdmi: audio: ASoC: error at snd_soc_dai_startup on fef00700.hdmi

July 10, 2023admin

vc4: hdmi: audio: ASoC: error at snd_soc_dai_startup on fef00700.hdmi – Stefan Wahren From: Stefan Wahren <stefan.wahren@i2se.com> To: Emma Anholt <emma@anholt.net>, Maxime Ripard <mripard@kernel.org> Cc: alsa-devel@alsa-project.org, DRI Development <dri-devel@lists.freedesktop.org> Subject: vc4:…Read morevc4: hdmi: audio: ASoC: error at snd_soc_dai_startup on fef00700.hdmi

RESEARCH

These Streaming Programs Can Turn Your Raspberry Pi Into A Smart TV

June 12, 2023admin

Kodi is a popular open-source media center software developed primarily for TV use. It’s compatible with Linux, OSX, Windows, macOS, Android, iOS, and Raspberry Pi. On top of this multi-platform…Read moreThese Streaming Programs Can Turn Your Raspberry Pi Into A Smart TV

DATA MANAGEMENT RESEARCH

DORHEA Raspberry Pi 4 Camera Module Automatic IR-Cut Sensor Day/Night Vision Video Webcam HD 5MP 1080P OV5647 Adjustable Focus with IR Sensor LED Light for Raspberry Pi 3 B+ 4B 2 Model B/B+ / A/A+

June 11, 2023admin

High Quality: 100% brand new and in good condition, with high quality, great performance, solid construction. Camera Specifications : This pi camera is capable of 2592 x 1944 pixel static…Read moreDORHEA Raspberry Pi 4 Camera Module Automatic IR-Cut Sensor Day/Night Vision Video Webcam HD 5MP 1080P OV5647 Adjustable Focus with IR Sensor LED Light for Raspberry Pi 3 B+ 4B 2 Model B/B+ / A/A+

RESEARCH

How can I change the menu icon on Raspberry Pi 4 Model B?

June 2, 2023admin

I’m attempting to customize my Raspberry Pi 4 Model B and would like to start by changing the menu icon. I have tried using Chat GPT to generate commands, but…Read moreHow can I change the menu icon on Raspberry Pi 4 Model B?

DATA MANAGEMENT RESEARCH

Raspberry pi LIRC will not allow IR receiving

May 21, 2023admin

I Have connected both IR receiver and transmitter to my system. I followed a certain tutorial which enabled the system to use the IR receiver. But, when I connected my…Read moreRaspberry pi LIRC will not allow IR receiving

DATA MANAGEMENT RESEARCH

visual studio code – Linux (Raspberry Pi Bullseye) VSCode – Why aren’t e and r keys (and maybe others) displaying properly when typed

May 18, 2023admin

I have a Raspberry Pi 4B+ on which I have installed Debian Buster. I installed VSCode and it does not handle some characters properly. For example r->{tab}, e->{backspace}. I had…Read morevisual studio code – Linux (Raspberry Pi Bullseye) VSCode – Why aren’t e and r keys (and maybe others) displaying properly when typed

RESEARCH

I tried installing opencv on my raspberry pi but I encountered some Cmake errors

May 15, 2023admin

I created a build directory in my opencv-4.0.0 folder but when I tried to configure my compilation using the command: cmake -D CMAKE_BUILD_TYPE=RELEASE \ -D CMAKE_INSTALL_PREFIX=/usr/local \ -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib-4.0.0/modules \…Read moreI tried installing opencv on my raspberry pi but I encountered some Cmake errors

RESEARCH

kernel – I am trying to run raspberry pi OS on virtualbox on linux, and I get this error

May 10, 2023admin

I am trying to run raspberry pi OS on virtualbox on linux, and I get the following error: error I encounter Kernel Driver not installed (rc=-1908) The VirtualBox Linux kernel…Read morekernel – I am trying to run raspberry pi OS on virtualbox on linux, and I get this error

ACOUSTICS & DSP RESEARCH

What’s the state of the art for low-latency audio interfaces for DIY projects? – DIY: Build it and they will come Forum

May 9, 2023admin

I’m trying to put together a project that’s basically a custom multi-FX unit in an amp head form factor (and, like an amp head, has a power amp part). Basically…Read moreWhat’s the state of the art for low-latency audio interfaces for DIY projects? – DIY: Build it and they will come Forum

RESEARCH

CPU usage when GUI is on vs GUI is off : Ubuntu 20.04 and Raspberry pi 4

May 7, 2023admin

Myself going to use Raspberry pi 4 (8gb ram) with ubuntu 20.04 installed in it, for my projects using ROS. I will use the GUI for some main debugging purposes,…Read moreCPU usage when GUI is on vs GUI is off : Ubuntu 20.04 and Raspberry pi 4

MQTT & IOT AUTOMATION RESEARCH

mqtt – How to properly set up TLS on Mosquitto?

May 6, 2023admin

So, I’ve installed ubuntu server on a Raspberry pi 4.0 and I was trying to set up the TLS on my Mosquitto, But every time I try start or restart…Read moremqtt – How to properly set up TLS on Mosquitto?

RESEARCH

c – Minimize CPU usage for software PWM in the Raspberry PI

May 6, 2023admin

I want to generate some 4 software PWM signals on GPIO pins (5, 6, 19, and 26) on the Raspberry Pi 4B using the pigpio library (which is in C).…Read morec – Minimize CPU usage for software PWM in the Raspberry PI

RESEARCH

raspberry pi os – Turn PWR LED off

May 6, 2023admin

There are many other answers and different methods of controlling the PWR LED. I developed the following (which I intend to use with cron to control lights on a timer)…Read moreraspberry pi os – Turn PWR LED off

RESEARCH

INDI focuser driver for Waveshare Stepper Motor HAT for Raspberry Pi / Rock Pi – Page 30

May 5, 2023admin

Hi Kevin, I’m new to RPi4/Linux/Debian, and would appreciate some help installing this driver – it keeps coming up with error message stellarmate@stellarmate:~ $ cd indi-wmh-focuser stellarmate@stellarmate:~/indi-wmh-focuser $ cd build…Read moreINDI focuser driver for Waveshare Stepper Motor HAT for Raspberry Pi / Rock Pi – Page 30

LOW VOLTAGE IC RESEARCH

Rock Pi

May 5, 2023admin

When it comes to SBCs (Single Board Computers), you must know about Raspberry Pi, famous for its strong features, to other experienced makers, terms like Orange Pi, Banana Pi are…Read moreRock Pi

RESEARCH

Cannot compile linux kernel in Raspberry Pi 4

May 4, 2023admin

I received a Raspberry Pi 4 Model B. I installed the Raspberry Pi OS (32-bit) and managed to connect it to putty. Now, I am referencing the offical website to…Read moreCannot compile linux kernel in Raspberry Pi 4

RESEARCH

RPicoG Dice – a Very Easy Electronic Dice Collection for Every RPG Using a Raspberry Pi Pico : 5 Steps

May 2, 2023admin

Once you wired up everything, plug-in your pico on your pc and save these 3 file.py into your pico. VERY IMPORTANT: Save these file as they are called, therefore, save…Read moreRPicoG Dice – a Very Easy Electronic Dice Collection for Every RPG Using a Raspberry Pi Pico : 5 Steps

RESEARCH

javascript – Busybox running PHP script with httpd on debian linux – Stack Overflow

May 1, 2023admin

I’ve got busybox running and the service shows on my browser when I type the IP of my raspberry PI. I’m trying to run the php script Configuration page, but…Read morejavascript – Busybox running PHP script with httpd on debian linux – Stack Overflow

RESEARCH

raspberry pi – RPI Tracking disk usage – hidden usage

April 29, 2023admin

I am using Raspberry Pi 4 with Raspbian OS (UNIX based) and trying to find out where all my disk space has gone. Whatever disk usage analyser tool I tried,…Read moreraspberry pi – RPI Tracking disk usage – hidden usage

RESEARCH

Raspberry pi not booting from updated kernel running Ubuntu 20.04. How to switch to updated kernel on Pi 4?

April 28, 2023admin

I am running Ubuntu Server 20.04 on a Raspberry Pi 4. I recently did a sudo apt update && sudo apt full-upgrade on my server and it (maybe unsucessfully) update…Read moreRaspberry pi not booting from updated kernel running Ubuntu 20.04. How to switch to updated kernel on Pi 4?

3D PRINTING RESEARCH

voltage – How can I connect a Raspberry Pi to a 29V KNX bus?

April 28, 2023admin

I have a smart home system using KNX, and I want to expand to it using my own displays and sensors. I also want to replace some KNX devices with…Read morevoltage – How can I connect a Raspberry Pi to a 29V KNX bus?

RESEARCH

python – Control speed of a PWM servo Raspberry Pi

April 25, 2023admin

I would like to know how to control the speed of a servo motor with Raspberry Pi and PWM pulses. 3 is the maximum speed value with a counterclockwise direction.…Read morepython – Control speed of a PWM servo Raspberry Pi

RESEARCH

python – Bar disappearing when value gets below 1 in node-red

April 22, 2023admin

On node red I have a bars chart representing values of my pressure sensors which are managed by a Raspberry Pi. On the terminal, everything is fine when pressure goes…Read morepython – Bar disappearing when value gets below 1 in node-red

LOW VOLTAGE IC RESEARCH

Ubuntu Server 22.04.2 LTS (Jammy Jellyfish) Daily Build

April 22, 2023admin

Name Last modified Size Description Parent Directory – SHA256SUMS 2023-04-21 18:13 1.0K SHA256SUMS.gpg 2023-04-21 18:13 833 jammy-preinstalled-server-amd64.img.xz 2023-04-21 04:01 876M Preinstalled server image for 64-bit PC…Read moreUbuntu Server 22.04.2 LTS (Jammy Jellyfish) Daily Build

3D PRINTING RESEARCH

Adafruit Snake Eyes Bonnet – TFTs backlit but no image

April 19, 2023admin

I have a Raspberry Pi 3B with the Adafruit Snake Eyes bonnet and 2x IPS TFT ST7789. I’ve soldered it all up, I can’t see any bridging and I’ve done…Read moreAdafruit Snake Eyes Bonnet – TFTs backlit but no image

LOW VOLTAGE IC RESEARCH

Raspberry Pi Model 3+ | Pulseway-registration error – Linux

April 18, 2023admin

Evening All, I was wondering if anyone had ever seen the following error when attempting to install pulse way on a ras pi: root@:/home/pi/Pulseway# dpkg -i pulseway_armhf.deb (Reading database … 93533…Read moreRaspberry Pi Model 3+ | Pulseway-registration error – Linux

3D PRINTING RESEARCH

python – Why does sending this 9-bit command to barcode scanning module via UART from Raspberry Pi 3 fail?

April 16, 2023admin

I am trying to communicate between a Raspberry Pi 3 and barcode scanner by Waveshare via a UART command, but I always receive a blank response. The command is 9-bits…Read morepython – Why does sending this 9-bit command to barcode scanning module via UART from Raspberry Pi 3 fail?

RESEARCH

How to install Transmission or Aria2 for Raspberry Pi 4B OpenWrt

April 16, 2023admin

I installed OpenWrt (LEDE) on the Raspberry Pi 4B, the BT download tool is not installed by default. opkg update opkg install transmission-daemon-openssl opkg install aria2 But it shows :…Read moreHow to install Transmission or Aria2 for Raspberry Pi 4B OpenWrt

LOW VOLTAGE IC RESEARCH

Raspberry Pi Zero W with Wide Angle PIR Sensor

April 13, 2023admin

Product Description This kit pairs the Raspberry Pi Zero W with Wide Angle PIR Sensor with LED Signal for detecting motion. This duo is useful for DIY security systems, interactive…Read moreRaspberry Pi Zero W with Wide Angle PIR Sensor

RESEARCH

gpio – How can I use 12 Buttons with one Raspberry Pi Zero W?

April 9, 2023admin

I am trying to take input from twelve different buttons with my Raspberry Pi Zero W. I have enough GPIO Pins for this, but not enough GND pins, so I…Read moregpio – How can I use 12 Buttons with one Raspberry Pi Zero W?

RESEARCH

AttributeError: module ‘cv2’ has no attribute ‘cv’ python raspberry pi

April 6, 2023admin

from multiprocessing import Process, Queue import time import cv2 # Upper limit _Servo1UL = 250 _Servo0UL = 230 # Lower Limit _Servo1LL = 75 _Servo0LL = 70 ServoBlaster = open(‘/dev/servoblaster’,…Read moreAttributeError: module ‘cv2’ has no attribute ‘cv’ python raspberry pi

RESEARCH

kubuntu – Cannot SSH into Raspberry Pi Zero with headless USB

April 2, 2023admin

I have installed the 32bit Rasbian OS Lite from the Rasbperry Imager. I then went into the boot drive of the SD card and; Modified the config.txt by adding the…Read morekubuntu – Cannot SSH into Raspberry Pi Zero with headless USB

MQTT & IOT AUTOMATION RESEARCH

Create an IoT app on Raspberry Pi using ASP.net

April 2, 2023admin

Can someone with experience point me in the right direction? I want to create an IoT device using a Pi with a small touchscreen for a UI. Apparently you can’t…Read moreCreate an IoT app on Raspberry Pi using ASP.net

RESEARCH

BEHUIZING TYPE 4B ZWART/GRIJS – Behuizingen – Raspberry Pi – Computers & toebehoren

March 31, 2023admin

This Official Raspberry Pi case is designed to house and protect your Raspberry Pi 4 board, whilst also making it look great. It fits the Raspberry Pi 4 Model B…Read moreBEHUIZING TYPE 4B ZWART/GRIJS – Behuizingen – Raspberry Pi – Computers & toebehoren

LOW VOLTAGE IC RESEARCH

Unable to install Python’s Pyrfc library for SAP on Raspberry pi 4

March 21, 2023admin

this error message arm-linux-gnueabihf-gcc: error: unrecognized command-line option -minline-all-stringops arm-linux-gnueabihf-gcc is 32bit htis pyrfc setup.py github.com/SAP/PyRFC/blob/main/setup.py # launchpad.support.sap.com/#/notes/2573953 if sys.platform.startswith(“linux”): os.system(‘strings $SAPNWRFC_HOME/lib/libsapnwrfc.so | grep “Patch Level”‘) LIBS = [“sapnwrfc”, “sapucum”]…Read moreUnable to install Python’s Pyrfc library for SAP on Raspberry pi 4

RESEARCH

raspberry pi – Migrating NextcloudPi from SD card to USB SSD

March 12, 2023admin

An existing pi3-NextCloudPi is installed on a 64GB SD card: which will eventually fail from read / write cycles. Before said failure happens: The goal is to migrate the existing…Read moreraspberry pi – Migrating NextcloudPi from SD card to USB SSD

3D PRINTING DATA MANAGEMENT RESEARCH

How to send an image from RASPBERRY PI to GEOSERVER with WCS request?

March 10, 2023admin

My image is in raspberry PI , Geoserver is in a client system. I want upload the image from raspberry PI to Geoserver using HTTP POST. I have read lot…Read moreHow to send an image from RASPBERRY PI to GEOSERVER with WCS request?

3D PRINTING RESEARCH

python – Problem running Pandas on a Raspberry pi 2

March 7, 2023admin

when I try to run a simple code that only prints a Excel file, I always get this error message. Tried reinstall pandas using not only the command ‘sudo pip3…Read morepython – Problem running Pandas on a Raspberry pi 2