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1answer
22 views

USB sound card not working after reboot on RPi4

I am using an external USB sound card with my Raspberry Pi 4 and play music using pygame. To set the audio output from the 3.5 mm minijack to the USB sound card I first checked the available outputs ...
0
votes
0answers
26 views

50 ksps ADC for Raspberry Pi 4

I need to capture 4 Analog signals at a sample rate close to 50ksps. From some posts I have read that this would be unfeasible through SPI or I2C. Is there any recommended ADC chip or breakout board ...
0
votes
0answers
47 views

Motion Activated Spotlight?

So I've successfully made a Motion Activated CAMERA that I've installed in my garage for various irrelevant reasons. The thing sends me an email when it detects motion, and sends me recordings of said ...
0
votes
1answer
31 views

When I try and update pihole I get dpkg: error: parsing file

This is the error I get: dpkg: error: parsing file '/var/lib/dpkg/status' near line 1740 package 'firmware-brcm80211': duplicate value for 'Status' field E: Sub-process /usr/bin/dpkg returned an ...
0
votes
1answer
44 views

Pi eventually loses network connectivity since starting to use docker and docker-compose

I'm having this issue on both a Pi 3B and a Pi 4 4GB model. I'm running some programs I wrote that run with docker-compose, and most days, if not every day, around the same times I suddenly won't be ...
0
votes
0answers
40 views

Raspberry Pi 3 Model B FTDI USB to Serial converter driver problem

I've been suffering to introduce my USB to Serial (RS232) FTDI converter on Raspbian 10 on my Raspberry pi 3 Model B. In Windows 10 it works without installing an additional driver. FTDI drivers ...
1
vote
0answers
15 views

Adding custom certificate to Debian Buster

I am trying to add a custom certificate (.pem) to the local trusted certificate store in RPi 4 running buster (headless.) I have tried the following: Copy the custom certificate file in: /usr/local/...
1
vote
0answers
16 views

Buttons connected to uart including standby/power button

I have a electronics project (32x32 Pixel led panel) with a raspberry pi as computing unit. This device has a self made PCB with holds 2 voltage regulators, one for the onboard micro controller (atmel ...
0
votes
0answers
17 views

Connecting Pi to AVR with both I2C and ISP

So I'm attaching an ATTiny85 to a Pi Zero to build a variant of this WS2812 LED driver. The Pi talks to the ATTiny via an I²C/TWI interface. However, I also want to be able to update the software on ...
0
votes
2answers
58 views

Argon One case doesn't power RaspberryPi

So I have just unwrapped and installed my new Argon One case that I bought from a retailer over the internet. Everything went smooth... except it doesn't work. It just doesn't start up. When I press ...
0
votes
3answers
33 views

Ways to connect touchscreen to rpi zero

I understand a touchscreen can be connected to the rpi zero either via the dsi interface and a short ribbon cable, or through HDMI and USB. I want to place the rpi at a different location than the ...
0
votes
0answers
16 views

Audio works on some things but not others Raspberry Pi 4

I've recently bought a Raspberry Pi 4, which I've connected to a monitor with a VGA port using a VGA adaptor. I've connected a bluetooth speaker which works when playing Youtube but not when the BBC ...
0
votes
0answers
24 views

is it possible to just stream and stop video recording in motion

My SD card is having limited size and I just want to stream a video so that I can use it as webcam. I successfully did that but problem is it is slow because it keeps saving files as well as does ...
0
votes
0answers
16 views

How to use i2c SSD1306 display as a framebuffer

I am trying to connect SSD1306 OLED to fb1. It seems like it is easy to do it with SPI interface. https://www.reddit.com/r/raspberry_pi/comments/4cnc12/sending_console_to_spi_displays/ But I could not ...
0
votes
0answers
23 views

cant connect to wifi on raspberry pi 4 kali linux

could you help me out? i've had a LOT of errors just trying to boot raspberry pi 4 and i've fixed almost all of them. The one i couldn't fix is wifi. While connected to ethernet my raspberry pi says ...
0
votes
0answers
34 views

USB Voice recognition with python pyttsx3 and pyaudio

i found a lot of this error in the net, but no solution... is there really no solution ? i got a Raspberry Pi 4 Mini USB Microphone pi@raspberrypi:~/voice $ arecord -l **** Liste der Hardware-Geräte ...
0
votes
0answers
32 views

Raspberry Pi A+ does not boot

I have a Raspberry Pi A+ that does not boot. When I supply power both the ACT and PWR leds light up and stay on (no blinking). I get no image on the screen whatsoever. I tried: Formatting and ...
1
vote
1answer
29 views

How can I track the version of Python in Raspberry PI O/S

I'm trying to keep both a Mac (Mojave - 2.7.16 by default) and a VM Raspberry Pi Desktop up to date with Python so that it matches that on the Pi but other than firing up a Pi and running python3 --...
1
vote
1answer
54 views

How to install mongodb in raspberry pi

I have tried to install the one from apt, but that was really old So I tried to go to mongo website and download the newest version but then I get this isse: The following packages have unmet ...
1
vote
4answers
356 views

Setting up replacement rpi Model B 512MB

I recently bought a (new) Model B Rpi 2011/2012 512MB to replace another identical model. I also added the same Wolfson audio card that the old Rpi had, and put the two connected items into a case. I ...
-1
votes
1answer
31 views

Remove the raspberry pictures from the top of the console [duplicate]

I setup my rPi to start with Console Autologin. I also start a script from ~/.bashrc, which runs tail -f on a growing file. The four raspberry icons on top of the console never disappear: How can I ...
1
vote
2answers
42 views

Compiling linux kernel from source with external module

So, actually I am using raspberry pi with OS version Stretch and kernel version 4.14.98-v7+. I need to add kernel module for wifi module I use from this repo: https://github.com/LairdCP/Sterling-60-...
1
vote
1answer
37 views

Raspberry Pi 3 B+ not booting up and SD card socket overheating

My pi has been working fine up until a few hours ago. These are some of the the problems I’m facing: On the pi, the red power light is on but the yellow light isn’t. There is no display on my ...
0
votes
0answers
12 views

Why No /dev/v4l/by-id?

I want to refer to a USB camera by ID in an fswebcam configuration file. /dev/v4l/by-id should look like this: pi@raspsky:~ $ ls -a /dev/v4l/by-id . usb-HD_Camera_Manufacturer_USB_2.0_Camera-video-...
1
vote
0answers
28 views

Is it possible to use CAM_GPIO0 for image sensor clock signal?

I am working with a freelancer who designed an IMX327 MIPI camera for RPi3. He connected CAM_GPIO0 signal to INCLK of the sensor but I was wondering if it is a typical way to do it. Other boards(for ...
-2
votes
2answers
59 views

Best way to automatically reconnect to Wifi? NetworkManager? [duplicate]

I have a Raspberry Pi4 24h connected to the internet via Wifi. Sometimes, I think due some signal loss, it don't reconnect until I reboot it. I've already tried to run a script that automatically ...
0
votes
1answer
32 views

Raspberry Pi 4 B - Multi-Port Charger Recommendations? (Or is 2.4A fine?) [closed]

Thing needs 5V/3A, but every charger on Amazon with > 1 port seems to offer a max of 2.4A per port. I can live with using (2) chargers w/ 3 ports each (6 total, for 6 raspberry pis), but its a ...
0
votes
2answers
33 views

OpenOCD help please

I built an open source electronics project which requires me to program the board with jtag. I already had a raspberry pi 1 b+ so I decided to try and use it to do the programming. I cant seem to get ...
-1
votes
2answers
46 views

My Raspberry Pi 4 does not output sound with my Acer Monitor [closed]

I have read every article I can find including the Raspberry Pi foundation website and tried everything that has been suggested but my Raspberry Pi 4 has no sound.
0
votes
0answers
18 views

Raspberry-pi 3B+ stopped working [duplicate]

So last night everything worked fine. But when I turned on my rasp-pi this morning, it worked for a bit, then suddenly stopped working and only the red pwr led stays on while the green doesn't do ...
2
votes
2answers
43 views

Raspberry doesn't recognize me disconnecting a USB device

I have a Raspberry Pi with an Amazonbasics 10-port USB hub which has a PPPS (port per port switching) function, basically, it can turn off power to any power via a tool called uhubctl. When I use ...
0
votes
1answer
17 views

Installing Gattlib error

Like many others, I've had problems installing gattlib using pip. I've followed the steps outline in this question to no avail: Pybluez and Gattlib error The steps that give me the error: hg clone ...
0
votes
1answer
53 views

Use Pi 4 to bridge wifi to ethernet router

I have my pc connected to the iPhone hotspot. My router is connected to the pc using Connectify. I have multiple devices connected to the router. What I would like to do is replace the pc with the ...
-1
votes
0answers
33 views

Can no longer ping IP addresses

I set up my raspberry pi and install pi hole. I went through the typical steps, and I uninstalled and reinstalled. Afterward, I can no longer ping external ip addresses. In every other way, my ...
1
vote
1answer
30 views

Can I boot with a nfsroot over a wireless network?

I've recently been transitioning the various Raspberry Pis on my (wired) network over to use NFS root filesystems rather than mounting them from the SD cards, to avoid the assorted known problems with ...
0
votes
0answers
34 views

Install Alpine Linux mini root filesystem distribution on Raspberry Pi Zero W

I am trying to install the mini root filesystem distribution of Alpine Linux on my Raspberry Pi Zero W which can be downloaded for the armhf architecture from the official Alpine Linux download page. ...
0
votes
2answers
92 views

Reset root password Pi4 Raspian

A newbie error I made when changing /etc/X11/Xsession.d/99qt5ct stopped my Pi4 booting without a PW. Which of course I have forgotten/lost! From what I could find searching, most of the info on ...
0
votes
0answers
26 views

Raspberry Pi Zero W and the IRLZ34N MOSFET

I am trying to create this little circuit on my raspberry pi 4 zero w. The function of this circuit is to light up an SMD5050 strip using an IRLZ34N I am using this tutorial https://dordnung.de/...
0
votes
0answers
19 views

Video preview of headless pi4/v2 camera board with VNC viewer

I have a raspberry pi4 connected to the SmartPi Touch2 screen and the Pi v2 camera board. I remotely access the pi from my laptop with the VNC viewer - having already enabled the experimental direct ...
0
votes
0answers
38 views

Remapping a key on a keyboard as dedicated shutdown button

I have a RP4 and want to remap a button from my keyboard to be a dedicated shutdown button. I don't really want to add an external shutdown/power switch to it since my power supply unit has a power ...
-2
votes
0answers
15 views

Having trouble successfully running a g++ command to compile the Raspberry-Pi-NRF24 project

Has anyone used this library off github for interfacing with nRF2401 radio device? I've been trying to run via command line but keep running into issues. Following is the command that I ran with the ...
0
votes
1answer
27 views

Pi 3b+ boot problem

My pi 3b+ works with an SSD disk connected through USB and it was working with nextcloud for more than 1 year. Pi stopped working, I could not access online, the apache server was not responding and ...
1
vote
1answer
35 views

rpi nfc tag emulation

I am looking for a NFC device which can work with rpi (3B) and is able to emulate card. NFC devices are super confusing world. I tried several NFC devices with PN532 controller and all of them so far ...
3
votes
3answers
135 views

Generating Virtual Machines on a Raspberry 4

Apologies if this question has been answered elsewhere but I can't see it. I would like to set up two VMs on a RP 4 to help in a piece of research I am doing. Is there a tool that can do this? I don'...
0
votes
0answers
21 views

Cannot connect to Kali RPI over wifi after disconnecting ethernet

I tried to look over the internet, youtube and on this website to fix this but no luck resolving. I have Kali on RPI version 2020.2b which I reinstalled for 3 times now because the answers that I ...
3
votes
1answer
55 views

Distrubute program execution on 3 cores, RPi 4, RPi OS

I have a Raspberry Pi 4, running the latest Raspberry Pi OS version. I have a C++ program running on the Raspberry Pi and i want to distribute the execution of this program on cores 1+2+3, while ...
0
votes
0answers
33 views

Pi 4 USB Ports Not Working Consistently

Raspberry Pi 4 Model B Rev 1.2 - Raspbian GNU/Linux 10 (buster) I have an ELP 1080p USB camera and a Canon Lide 30 scanner connected to this Pi via a powered Oker 6 Port USB 3.0 hub. A shell script on ...
0
votes
0answers
36 views

Using datetime how can I trigger a change based on the minute of the hour?

I'm trying to edit a Python script that works perfectly - except I want to change one variable and I can't figure out how to do it. The script plays a set of mp3 files in a directory. The script ...
0
votes
0answers
11 views

high quality camera high speed wobble, skew, partial exposure, aliasing issues?

What rolling shutter distortion and aliasing issues exist with mid to high speed photography using the high quality camera (released April/May 2020)? What specifics and samples are known about these? ...
0
votes
0answers
17 views

Can't get to toggle leds with WiringPi library in C

So I got my python code to run that basically just toggles the LED, but now I tried enabling the GPIO via WiringPi library in C but it doesn't work. Considering python code runs, there isn't really ...

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