All Questions

suppose i have a cluster of 2 pi 4s (8 gig model and 32gb sd cards). i will get 2 seperate computers together having 4 cores and 8gb ram (based on jeff geerling's blog https://www.jeffgeerling.com/...

I currently have my RPi 3B setup as an access point using a USB WiFi adapter with the USB id: Bus 001 Device 004: ID 148f:5572 Ralink Technology, Corp. RT5572 Wireless Adapter I am using the ...

Ive been trying to get Mozillas deepspeech installed but i keep running in to the same problem. here is the terminal output pi@raspberrypi:~/dev/deepspeech $ pip install deepspeech Looking in indexes: ...

I'm currently doing real time object detection with the help of pi camera using pre-defined weights of darknet and coco dataset using openCV. Currently I'm getting 0.14 fps and my video is too much ...

Hello I'm sorry if this question will be coming off as vague because I'm extremely confused by this behavior but I'm willing to update with any details you'll enquire on. I'm using ivport-v2 and ...

so when i open the wi-fi settings I get the warning "Error saving /etc/dhcpcd.conf". i have tried nothing yet because I don't know what to do

I want to access my Android Phone's Speaker, microphone, and camera via Raspberry pi. Here are the Functions I want to perform : 1. Play specific audio based on the Raspberry pi command. 2. Capture ...

I need to build ubuntu desktop image with my required package, please suggest the steps required. Thanks & Regards.

I have a script that starts my GPIO website server. This allows my phone etc to accress the switches that control certain elements in my camper I would like it to start at after boot in the case of ...

Problem occurred using raspberry os buster (2021-10-30 released), using libcamera-hello. It returns failed to import fd 21. But it works find on old version raspbian on NOOBS 2.4.5, on the same board, ...

currently i'm trying to nest 4 Gpus with my Raspberry Pi 4 Model B RAM 8GB. could anyone told me how to do it ? i would to use Raspberry Pi to Mining Crypto.

I wish to generate barcode from a string by using Python program in Raspberry Pi. I encounter the issue below even I am testing with sample source that I found online. This is the sample source: from ...

So I have my pi 3b connected to another device with an IP address of 192.168.250.1 via Ethernet (eth0). I set my static IP address to 192.168.250.100 so both could communicate. The device wants to ...

I am coding a web application with Flask and I come across with a problem where I cannot setup my gpios on my public production server. It throw an error 500 Internal server error. I've realized ...

I'm having trouble with a WiFi dongle that shows up on lsusb as 0bda:8172 It was working on my Raspberry Pi Model B Rev 2 running Buster until a kernel update. The current kernel is 5.10.63+ Nothing ...

This isn't necessarily a Pi-specific question, but might be applicable to general Linux. However, my hunch is that the Pi's uniqueness might have something to do with it. I'm trying to run two scripts ...

I'd like to run my Raspberry Pi (3b+) ARM Cortex A53 processor on a constant CPU speed, can be the lowest one, doesn't matter, as long as it does not change. I need this in order to profile some code, ...

We switch off WiFi an a raspberry over night. In the morning both is switched on together. Unfortunately the pi starts faster than the access point and therefore the pi could not connect to a wifi. ...

On the Pi-4B, can I use one of the USB 3.0 ports for power, instead of the USB-C port? I will be powering the Pi-4, an SSD drive (Sabrent 512GB Rocket Nano), and a Conbee II — which btw currently ...

Ok so I am trying to communicate with an Omron plc using a raspberry pi running the latest version of raspbian (bullseye in this case). I have been trying to keep it simple, so the only thing else is ...

I have a bluetooth speaker. I am able to pair it with my android phone and able to take calls via it. So it does have a working microphone in it. When I connect this to my raspberry pi zero 2 W, it ...

I'm trying to power my Raspberry 3 model B by means a Catlyn Power Bank 10000mah just purchased and seems to work fine with an iPhone 11. The problem is that when I connect it to Raspberry, even if ...

A great feature of the Raspberry Pi Zero is that you can tether it to a PC, Mac or iPad Pro by connecting it directly to a USB port. It can act as a USB-Ethernet-adapter and you can ssh into the Pi. ...

I am simply trying to get Bluetooth to work on the latest version of Arch build for the Raspberry Pi Zero W (original, not 2). I have the latest version of Arch(armv6) successfully running on the rpi ...

I followed this Adafruit Tutorial; trying to make GPS Daemon work on RPi4- on Raspberry OS minimal. Here is my situation: I can see NMEA data is coming thru minicom -b 9600 -D /dev/ttyUSB0. There is ...

Using Ubuntu 21.10, if I try to set a static IP for my raspberry in /etc/netplan/50-cloud-init.yaml, I have an error when I run netplan apply, that reads: Cannot find unique matching interface for ...

A single Raspberry Pi OS instance seems able to boot on any board. Some other OSes don't. I'm under the impression that the various MCUs don't share instruction sets that are fully compatible with ...

so I wonder if there is any way to add a godaddy custom domain to my python flask hosted in my raspberry pi4 by SSH. Thanks!

/etc/os-release says raspbian 10 (buster) pi 3 i know this worked previously, because i originally set up the whole pi using nano. but now, every time i open nano, any file, no file, sudo, or not, i ...

I'm currently facing an issue where my Raspberry Pi camera is not detected. However, I did manage to use the camera once before it stopped being detected. There was always a tiny light at the corner ...

I recently found out that Pico has "8-cycle signed/unsigned divide/modulo circuit, per core" [1]. To my untrained embedded eye this seems very fast, does anyone know how they did it? What ...

This is my first post/question... After searching a long time for howto start chromium at boot-time in kioskmode on a raspberry pi and a lot try-and-error, I ended up with this page/idea that did it ...

I have an old model B I'm trying to connect to a 7" touchscreen. I put a brand new raspian lite image on an SD card, then followed this guide to get everything working (almost). It starts by ...

I managed to get the video working on A/V output of Raspberry Pi 3B+ (I got Raspbian) by removing hdmi_force_hotplug, but I cannot get the sound working even though I see one soundcard responding to ...

I've set up a standard ISC DHCP server on my Pi4 running 5.10.52-v7l+ of Pi OS. I'd initially had my static IP set in my /etc/network/interfaces file and that worked ok but I couldn't get WiFi working ...

Recently I downloaded image file of Raspbian bullseye release and last release of buster , when i flashed them using Raspberry pi Imager the SD card did got flashed but both of these files got ...

Hi i am just planning a Physics experiment where i accelerate Ionized Gases onto a target sample. For this Experiment i need to monitor the power constantly over a week or longer. For my later data ...

On raspberry pi os, pi zeor 2 w, the systemd-timesyncd always restat once received Router Advertisement from router The messages are like following: Nov 28 12:22:46 raspberrypi dhcpcd[837]: wlan0: ...

I'm currently working on a drone which is controlled by a Raspberry Pi. I try to controll the motors by using PWM on the connected ESCs, which is described in many guides and forums. For that I use ...

I have programmed in Python several mqtt driven servers on a Raspberry Pi W (with Buster) to execute a set of commands when receiving a given set of mqtt messages from the mqtt broker (after ...

I have installed the Bullseye for the testing, and i have noticed that UI is smooth and there is NO screen tearing at all. (But the other things, which works in buster are problematic here on Bullseye....

I have 2 RPi-4. I've been using a fan inside a case that is designed by Canakit to be used with RPi-4. I've been using the fan for a few weeks by connecting it to constant 5V and ground. Everything ...

I've a PI4 8gb model with a fresh install of Bullseye 64bit and Im getting really poor VNC performance over 2.4ghz wifi network, both devices the client (a mac book pro i9 w/64gb ram) and the server (...

My raspberry pi 400 said this when I ran the terminal command sudo apt-get update Reading package lists... Done E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily ...

Before you say that I haven't searched the internet, whenever I type "pi camera not detected" I literally don't see a single unclicked result. I am slowly breaking apart. PI 4 (8gb), V1.3 ...

There's lots of great solutions out there (and here on StackOverflow) for this on Pi hardware but I'm trying to make this dongle work on a PC running Pi OS, which totally foxes the various build ...

I have a Raspberry Pi (3) with a Pico SDK freshly installed via the recommended script. I've added the pico-project-generator and created a project as follows: ./pico-project-generator/pico_project.py ...

I have a Raspberry Pi 4, and have been having trouble connecting to it with VNC Viewer. I have connected to it before, but recently I restarted my Windows 10 computer (without installing any major ...

I am trying to utilize my RPi 3+ to trip a SPDT Bosch Automotive 12VDC relay in order to activate chicken water heaters when temp below 34 degrees. The program code works well on other, non relay ...

I just bought 2x 32GB Micro SDCards (100MB/s Read, 90MB/s Write) and tried flashing the ARMv7 RaspiOS onto them for both of my 2 Raspberry Pi 4B 8GBs. This is working as intended. But as soon as I'm ...