All Questions

I installed Raspberry Pi OS on an old microSD card I had, which I put in my new Raspberry Pi 4 (8GB RAM). Today, I tried to (safely) overclock the system. However, when I rebooted the system, I got an ...

On my raspberry pi I have several Python versions, (2.7,3.5,3.8) I installed in python 3.8 the mpu9250_jmdev package (https://pypi.org/project/mpu9250-jmdev/) My python code to test if the package is ...

I've connected a Logitech C920 webcam to my Raspberry Pi 4 with the basic OS image on it. I want to use it for video conferencing through my living room TV, and I intended to use the built in C920 mic ...

I've installed Raspberry Pi OS Lite on flash drive with Raspberry Pi Imager. After that I've added SSH and wpa_supplicant.conf (I've taken this example to create the config). And after that I've ...

I have installed raspap in my raspberrypi and added captive portal to it. I wonder if it is possible to intercept https requests and modify them? When I was searching, I've found that MITMProxy is an ...

Building a Payara image with podman 3.0.1 results in sd-bus call: Connection reset by peer Below example should build a Payara server. The same problem occurs when building a Postgres server. So it ...

I can seemingly only connect to my Pi via an ethernet cable if I have temporarily disconnected from WiFi. Once I login, I can reconnect to Wifi, and I can talk to both my Pi and use the internet. ...

So, as the title states, I cannot SSH to a Raspberry Pi from my Mac. I have done so in the past, but can't figure out why it won't work now. Unless stated otherwise, all devices I mention below are ...

I've installed node.js on my rPi2 using nvm (following this guide, but updated to the latest LTS version of node) and it seems to have partially installed. The issue seems to be that node cannot find ...

I have a RPi in the car that I need to act as a mobile AP. I need it to provide a consistent, unchanging ESSID (in AP mode) using the onboard wlan0 for all devices that stay in my car. Dashcams, the ...

I'm running my pi in headless mode and it takes a long time to startup. According to journalctl -b, multiple seconds are spent waiting for wifi to turn on. Is it possible to make wifi not block ...

I'm using a code to scan qrcodes with my Rpi camera Why am I getting a syntax error for an else statement?

I have a SSR 4 channel relay and an Opto-Coupler one channel relay. Both where specified to work on 3.3V signals. I wrote a quick test program on my raspberrypi zero w and tried both relays with my ...

I keep getting this piece of information at the end, every-time I try to install a package using apt. I don't remember this happening on my PC(also using ubuntu server). System: Raspberry pi 4(4GB RAM)...

I am trying to run the ultralytics/yolov5 on my Raspberry Pi 4. When I run python3 test.py --data coco.yaml --weights yolov5s.pt it successfully starts with the phase and successfully downloads the ...

I am making my mother an automated watering system for her garden with my Raspberry Pi. I would like the system to be able to detect soil moisture, as well as predict temperature and humidity to ...

I recently bought a Raspberry Pi 4 Model B with two 32GB SD cards. I installed Raspbian on the first card and I have played with it for a few weeks. I installed Docker; Docker-Compose and created a ...

My Garmin car GPS died, and im thinking about building my own. I saw that there are a couple pretty good navigation softwares out there, and I want to use one of them, with OSM maps and a 7" ...

I just bought a Raspberry CanaKit for Raspberry Pi 4 with all the latest features, and the Micro SD comes already preloaded with NOOBS (Gotta love that acronym) and backup files it appears, so why ...

I patched my pi4 with preempt_rt in an attempt to reduce xruns. Now arecord -l no longer lists my i2s mems microphone. I also tried a few other usb microphones and they don't show up either. The ...

I'm currently working on setting up a Raspberry Pi as a security camera to detect motion and email me a snippet of a .mkv if it detects movement. The bit in my motion.conf that handles this is: ...

I've been doing embedded work for many years, but have only very recently started working with the Raspberry Pi. I'm planning to build a project that uses a 5" TFT display and a Pi Zero W, and ...

I am working on a project which requires me to use the rpi camera module to scan qr codes While I'm going through the steps to I type sudo apt-get update and I get multiple output lines that say N: ...

I have EasyDriver 4.5V A3967 driver and planning to purchase 12V bipolar stepper motor with specs phase: 2 phase voltage: 12 V current: 0.7 A. Phase resistance: 4.0 ± 10% Ω phase inductance: 3.2 ± 20% ...

I'm pretty new to the Raspberry Pi world and I just bought my first one (4 model B 8GB). I downloaded the raspberry pi OS full (23-BIT) and used the Raspberry Pi Imager to put on my Samsung 64GB Sd ...

I noticed that when we compile a new kernel following the official documentation we use the linux fork from the raspberry foundation. Could I use the mainline kernel maintained by linus? Or is there ...

I get this error from the rpi_ws281x library when trying to run as user pi (this is a java wrapper around the library): 16:43:59.060 [main] INFO com.github.mbelling.ws281x.Ws281xLedStrip - LEDs count:...

I am using the 3b+ raspberry, while the accelerometer is acquiring data the servo is creating some noises which may give false readings. Does anyone have any idea how to get rid of these noises? I am ...

For my Python script I'M using this library. I try to set one single, permanent color to all my 60 pixels. As I'm using two LED strips (one strip at GPIO18 and one at GPIO 13), my code handels both of ...

I am trying to create a photoframe using a 7.5 inch eink paper from waveshare with resolution 800x480. I have been able to print the image on the paper by resizing it to the requested resolution using ...

I tried to use multiple times self compiled PiShrink-macOS from this repository https://github.com/lisanet/PiShrink-macOS on my Mac OSx Big Sur 11.4, but when triyng to boot shrinked image, it always ...

I'm moving a client's WordPress website from his original hosting to his Raspberry Pi. I followed some tutorials and ported the wp-content, wp-config and the database. And like I saw in the tutorials, ...

I am using sox to convert MP3 files to a WAV on the fly for pifm. The only thing is, I am doing it to a whole directory of MP3s, and because not all of them have the same sample rate the command fails....

Can someone please tell me what I have to? I'm trying to setup my build using CMake. My code and its' error is the following. How do I make CMakeLists? (cv) pi@raspberrypi:~/build $ cmake -D ...

I have read a few other questions about this topic in this network and other places. The problem is they are all different and none of them have worked on Buster. Here are my questions: 1- With ad-hoc,...

I want to be able to change the audio output device (hdmi or aux) from the command line, preferably, without having to sudo. I'm on a RPI4 with Raspbian-lite Buster. On the RPI3 I was able to use ...

When you want to compile a kernel for some specific linux distribution you need to get the .config file for this particular distribution. But the usual way (i.e.zcat /proc/config.gz > .config) ...

I have a raspberrypi 3B and want to compile and install a new kernel on it, but I only have an arch linux(x86_64) host to compile it on. Following the official documentation I get stuck trying to ...

I was trying to update my RPI. $sudo apt-get update , and this was my result: Reading package lists... Done E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) E: Unable ...

Background I have wired up an Adafruit 7-Segment LED display with I2C Backpack to my Raspberry Pi as per the Adafruit instructions here. I can control the display from Python code without any problems....

I have an RPi 3 running Raspbian 10 (Lite, headless). It is connected to my LAN via eth0 which is working fine. Now I need to also connect the RPi to a PLC with very limited configuration options (...

I recently bought a Raspberry Pi 4 Model B with two 32GB SD cards. I installed Raspbian on the first card and I have played with it for a few weeks. Yesterday I installed Diet Pi on the other SD card ...

When you install and configure the raspberry pi desktop for the pi-4 you can select a box if you have black border on your screen. I selected this box but when I restarted the edges of the toolbar and ...

According to Wikipedia, every Armv8 processor should support sha256 hashing instructions however /proc/cpuinfo doesn't list it. Could there be a failure to identify the feature by the kernel? ...

I have connected a USB network interface to my RPi 4 running Raspbian 10 Lite (headless) and I am trying to assign a fixed IP address to it. The onboard eth0 interface should continue to use DHCP as ...

My setup is: Arduino with 433 cheap transmitter module, photodiode and a laser and 433 receiver connected to Rpi, button. I've used rpi-rf lib to receive codes. I'm trying to make stopwatch that when ...

I am new in prototyping with Raspberry Pi. I am using a Raspberry Pi 4B. For a project I want to connect 3 I2C sensors to it (AS7262,BME688 and AS7263. They connect to the same pinns (pins 1, 3, 5, 6, ...

I recently got a raspberry pi 400 and wanted to use it as a portable device but realised that it can only get full power when plugged into a power socket. I saw a video showing that you can use it ...

I have a new RPi 4 and I have installed NOOBS from a zip due to the fact that I cannot install software on my computer as it is loaned from my school (i.e. image writing software) However, once ...

I have a python script that takes sensor data from a DHT11 and inputs the data into MySQL. This file when ran in the terminal on my Raspberry Pi returns the right results: python3 ./Data In which will ...