All Questions

When RPi (with Libreelec) is connected to the web with WLAN, plugging also the ethernet for LAN does not affect the WLAN functionality: it automatically connects to the web by LAN (which is faster) ...

I am considering the raspberry as a hosting server. I had purchased a domain from godaddy website. I want to host it into raspberry and my website have to work. I have no idea to start configure the ...

Following the Debian wiki documentation and this answer I have successfully set up unattended upgrades. I have confirmed that upgrades are really run. However, I want to avoid eventually getting disk ...

I have Raspberry Pi 3b+ with the case, which has a small 5v fan, which is connected to GPIO. Look to picture below: Fan works all the time. But I don't want it. I want it to work only in case, when ...

I'm currently investigating a setup to start in home automation and security. Since this question touch a lot of topic, don't hesitate to let me know where I can ask them as I'm not sure myself. My ...

I'm new to python programming, if I wanted to know if someone can help me with respect to reading a value that I am receiving serially. In if the topology of my network is based on two parts, in which ...

I recently got a Raspberry Pi B+, and I have been playing around with it a lot. I want to start a personal project where, when I link to my Pi through an SSH connection from my laptop, I can make a "...

I have N64 loaded into my retorpie (actually someone did it for me). When I click on one of the games that I loaded, I get the standard message that pops up but then it goes right back to the menu. ...

When I boot up, I go directly into RetroPie. I can exit RetroPie and get back to the CLI to start Raspbian (startx). I learned that I can exit Raspbian with pkill x so I can start RetroPie back up, ...

I have the following leds ... ... that I hope to be able to connect to my pi for power and disk activity indicators. I read some guide that claimed that around 330 ohm resistors were needed, but the ...

I'm working on a code for a High Altitude Weather Balloon and I wanted the camera to start recording after a certain Altitude. The first output of information is correct but then it spits out wrong ...

I'm working on a project that uses SW-420 sensors to detect vibrations. I was originally following this tutorial and my code is pasted below. I used a previous post to determine that I should be using ...

This is an image of how I had it routed up, it was working just fine until I attempted to add a rocker switch. I used the 2 pin on/off rocker switch that came with my smart car kit (https://www.ebay....

So I am planning to host a discord bot on a raspberry pi zero w and I do have a spare monitor( for the programming part), but the monitor wouldn't work when I plug it in and I also don't have one of ...

New Pi 3B+, Sandisk Cruzer 16GB as adviced here: https://www.raspberrypi.org/blog/pi-3-booting-part-i-usb-mass-storage-boot/ Formatted as one fat32 partition then Etcher:ed with the lite version, ...

I've a strange issue when using g_multi on my Raspberry Pi Zero W. Now I can format the SD card with archlinux system and enable the g_multi (network, serial and mass storage) and work fine with my ...

I'm having some trouble getting H264 streaming to work. I've been digging around a little and it seems the problem is that UV4L is sending raw H264, which is not directly playable in Chrome. Does ...

I need help as I am stuck doing a project. I followed the tutorial on google developers website " https://developers.google.com/assistant/sdk/guides/library/python/extend/install-hardware" and got the ...

I (as I am sure most people do) have loads of MP3s and CDs from pre Spotify days (other services are available). In particular I have quite a few that aren't on Spotify. So I have decided that I would ...

I'm trying to setup my Raspberry Pi Model B to act as a standalone Wireless AP using a Ralink MT7601U Wireless Adapter. However, starting hostapd presents me with this error. pi@raspberrypi:~ $ sudo ...

I've had a 3b+ running in headless mode for ages. I rebooted it last week, and it never came back online. It looks like dhcpcd is failing to start. I figured I might have misconfigured something, so I ...

I'm using the CAA File library to write data to a txt file. I can write a regular string to a file like 'This is a test', and it works just fine. However if I use CONCAT to combine 2 strings and then ...

import RPi.GPIO as GPIO import time def mist(): GPIO.setmode(GPIO.BCM) # setup and switing on relay GPIO.setup(4, GPIO.OUT, initial=GPIO.LOW) # sleep for 30 second ...

I'm trying to configure the i2s kernel following this website: https://learn.adafruit.com/adafruit-i2s-mems-microphone-breakout/raspberry-pi-wiring-and-test but when I run the following code rpi-...

I have a pi3B+ with stretch. I am trying to sync its clock using a network master clock (a pc set as ntp server) through direct ethernet connection. I can't see my server synching the pi. I followed ...

Existing codebase being written in python, now requires attaching a new device. Purpose of that device will be to measure analog angle, convert to some format of a number and send it to rpi via some ...

I am building a web server od Raspberry Pi 3. The system and the data will be on microSD card and I am curious if there's any way to automaticaly backup the whole card with data? I mean - if anything ...

Have a Raspberry Pi Zero HW v1.1 and want to install CentOS 7.6.1810. When download the file CentOS-Userland-7-armv7hl-RaspberryPI-Minimal-1810-sda.raw.xz and after unzipping I use Etcher to flash the ...

Can someone help: I am trying to set the time from the cmd line on fullpageos running jessie lite and cannot find the .config file to change the %R to %r. I am a bit of a newbe so any help would be ...

I've got a Raspberry PI 3B+ configured to diskless boot with the PIServer PXE system. I have created a user 'map7' and would like it to autologin to the thin client using that user. I've edited /etc/...

My Android phone is connected to the Raspberry Pi via Wi-Fi. Is there a way to execute a Python code (with arguments) from smartphone to Pi?

I created a custom splash screen on a Pi 3 B+, when I transfer the card over to my Pi zero, the splash screen does not display, only 3 small squares about 2/3 of the way down the screen. What am I ...

I've bought a seeed voice card as an external GPIO sound card and as a input audio device to use pocket sphinx.After it was installed successfully, i typed "cat /proc/asound/cards" to see my card ...

I’m trying to write a program that will loop through 3 GPIO pins connected to an external charging pad and see if a device has been placed on the pad (high voltage). If high signal is detected the ...

I have this problem for a while now, the rpi doesn't boot. The red led is on but the green led never opens. I have formatted the SD card and re-install NOOBS on it but again I can't boot it. Before ...

I can curl with ipv6 succesfully but not with ipv4. > curl -4 icanhazip.com curl: (7) Failed to connect to icanhazip.com port 80: No route to host But with ipv6 it's successful > curl ...

I noticed that when I plug my raspberry PI 3B+ into my monitor fbset reports this: mode "1824x984" geometry 1824 984 1824 984 32 timings 0 0 0 0 0 0 0 rgba 8/16,8/8,8/0,8/24 endmode This ...

I use Pi to listen to internet radio. If the url is of the type url/file.mp3, then everything is fine; if the url is of the type url/file.pls?id=1 (SHOUTcast), then the tracks do not start, what could ...

I'm relatively new to both raspberry pi and unix. In spite of that, I'm teaching intro to programming classes at a school using raspberry pi's. These pi's are NOT connected to the internet. Each ...

I'm doing some OpenCV development on a Raspberry Pi 3, and I have found some information about using ZRAM on the Pi to try and boost its processing effectiveness. I know this isn't actually adding ...

I have built a self balancing robot using raspberry pi 3b+. I am not able to reduce the response time. Hence, the robot doesn't balance properly. I am using MPU 6050, 150rpm 12V DC motor. I checked ...

I've been playing around with my RPi3B lately and for whatever reason wanted to reformat my SD card. I'm unsure how I did it but now when I insert the card it says there is only 31mb of space. The ...

When I enter this command, ps -aef | grep python3 I get the following message pi 828 1 0 12:06 ? 00:00:08 /usr/bin/python3 /home/pi/hs110-data-collect.py pi 5079 863 1 ...

When I try to execute this sketch that is based on a face recognition algorithm it really lags on raspberry, whereas when run on different devices (macbook pro and notebook), it runs smoothly. You can ...

I'd like to "install" a programm on the Pis SD card before I instert it into the Pi and ideally configure it to run after boot. When I insert the SD card into my PC, all I can see is the boot folder,...

I try to make a script startup via an autostart file. But I run into two problems which I do not understand. Why am I missing the ~/.config/lxsession directory. It is just a fresh raspbian ...

I am trying to setup DS18B20 for Raspberry Pi. I have followed the instructions from Adafruit Lesson 11 updated RBPI kernal to 4.19 setup wiring (see below) with 10k resistor verified signal (yellow ...

it's my first time to run another os on my RPI3 other than rasbian so I'm trying to set-up tizen 3.0 on my RPI3, I have found this link that describes all the steps to port tizen on a raspberry pi3 ...

i have small project using Usb camera and ultrasonic sensor in raspberry so if my sensor read a value it will ask the camera to take picture . and than send it to database through iot hub . i need ...

Here is my application that I have managed to get running on my pi. import pygame import random from pygame.locals import * from OpenGL.GL import * from OpenGL.GLU import * vertices = ( ( 1, -1,...