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1answer
32 views

Rpi3 Jessie Leafpad editor not found problem

On my Raspberry PI, I want to use simple text editor. So, I learned that it already has Leafpad text editor installed on it, but there is no trace of it being on PI. Like for instance, I run find ...
1
vote
1answer
29 views

Sites unavailable ('Network unreachable') but pings work fine [on hold]

I have a Raspberry Pi 2 Model B running Raspbian Buster (upgraded from Stretch). I don't use it very often, but recently I noticed that I can't do apt update because all the repos are unreachable (...
1
vote
0answers
13 views

How do I access a LAMP server hosted on a raspberry pi via mobile hotspot? [on hold]

I have setup a LAMP server on my Raspberry Pi 3. I am using it to host a WordPress site. When the pi is connected to my home server, I can use the pi's ip address from my laptop to view the site. ...
-1
votes
0answers
53 views

Watching Netflix (or other DRM) content on RPi4

I would like to watch (paid) Netflix with my Raspberry Pi 4 (RPi4). I don't have any preference whether it is from Raspbian or LibreElec or whatever. I have tried a couple of ways and failed in ...
0
votes
1answer
27 views

Segmentation Fault On Pi Zero when trying to run executable which is compiled on rpi4

I have a SD card that works fine on raspberry pi 4. Raspbian Buster(Version: September 2019) was installed into the SD card and I did a project which is including boost, opencv, raspi-cam libraries. ...
1
vote
0answers
14 views

Floating point exception while upgrading via apt

When I attempt an apt upgrade on my Raspberry Pi Zero W I get the following output: Fetched 5,864 kB in 10s (580 kB/s) Floating point exception E: Sub-process /usr/bin/apt-listchanges --apt || test $?...
0
votes
0answers
28 views

unable to scan the ip address of Raspberry pi 3 B+ by using advance ip scanner

I have connected the raspberry pi to the laptop without using Ethernet cable (I am getting power (5v) from the laptop). I have inserted a file in the SD card of Raspberry Pi for WiFi connection ...
0
votes
0answers
19 views

How to connect raspberry pi with apm 2.8 via usb

I want to know if it is possible to have a raspberry pi control an Apm 2.8 flight controller via USB instead of telemetry ports?. Thanks.
1
vote
1answer
47 views

Permissions error with logrotate [on hold]

I am using a script to monitor a service. I have added said script in crontab. crontab runs the script every one minute. I have found this script online and it works pretty good, but it writes the ...
0
votes
0answers
16 views

Awful Color Saturation in Datlight using pi-camera

I decided to finally post this after no avail and several videos that are unusable. I made a python script to record and convert video from a raspberry pi running in the nosecone of my rocket. However ...
1
vote
0answers
11 views

Trying to get volume on IPHONE to communicate with Raspberry pi over blue tooth

I have my iPhone connected via bluetooth to my raspberry pi, and now I am trying to figure out how to receive the volume control from my IPHONE, I assume I need to read and write attributes, but I am ...
2
votes
1answer
100 views

How to handle a supposedly corrupt boot partition?

After working flawlessly for many months, in the morning, possibly after some packages were installed (or any other reason), my raspi showed a frozen desktop. I could not connect via ssh, so I had to ...
1
vote
1answer
35 views

Artillery [ ILI9341 ] 3.2" LCD Touch Screen White Display and Driver Problem

I bought this Artillery 3.2 Inch LCD Touch Screen Display Monitor: https://www.aliexpress.com/item/32553185633.html?spm=a2g0s.9042311.0.0.27424c4dFky0Ok But it only shows a white screen, so I ...
0
votes
1answer
25 views

dhclient hooks don't run automatically

I am trying to make Raspbian execute a bash script every time its IP changes. I placed my script in /etc/dhcp/dhclient-exit-hooks.d but it does not execute after a reboot. It does execute if I ...
0
votes
1answer
13 views

Installing Avahi-Daemon… now can't access RPI through SSH after entering password

My goal is to remotely access the RPI or interface with it without connecting it directly to a keyboard and monitor. I'm using Putty to access the RPI. When I'm prompted for the username I supply a ...
0
votes
3answers
106 views

Rpi3B+ micro USB connector got 15V power. Is it dead? Can I save it?

I accidentally gave 15V to a Raspberry Pi 3 B+ Micro USB slot, when I observed some smoke I instantly removed in from the power supply. What can I do to restore my Raspberry Pi?
1
vote
2answers
30 views

What system libraries are required to support Pillow on Raspbian Buster Lite?

After installing Pillow, I get errors such as: >>> from PIL import Image Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/pi/env/lib/python3....
1
vote
1answer
56 views

Regularly power up an autonomous Raspberry Pi? (e.g. once a week)

I want to power a Raspberry PI from a power bank, which should give me - according to various sources on the Internet - 30 to 70 hours of operation. How can I power up the Raspberry Pi once a week to ...
1
vote
1answer
36 views

To play a pi camera

I am trying to play a picamera in raspberry pi 4 using vlc with raspivid/raspistill. When I give a command: sudo raspivid -o cam.jpg then some errors come, mmal: mmal_vc_component_enable: failed to ...
0
votes
1answer
31 views

Raspberry Pi 3 Freezing / Crashing

A project I'm working on uses Raspberry Pi 3 boards to power a display which simply runs chromium in kiosk mode to display a webpage (a web app I've built for this project). Alongside this is a small ...
0
votes
0answers
35 views

Rpi3 Home Assistant To Read Signals at GPIO Pins Problem

I'm really new to Raspberry Pi, so please forgive me if this is a noobish question. I have a very simple setup: Raspberry Pi 3 running Home Assistant with a switch connected to GPIO12 and 3.3v. The ...
0
votes
1answer
27 views

RPI 4 — need libcrypto.so.1.0.0 to compile and run

I am trying to compile some c++ source code I obtained from a client. I managed to include all the dynamic libraries and running g++ <args> -o bin/thin <path to main.cpp> yields the ...
0
votes
0answers
23 views

Rasberry Pi's to Phone Hot spot not Working In S Korea

We've setup and successfully used several Rasberry Pi's to connect via Wi-Fi to a cell phone hot spot to grab UTC for the app the Pi is running. This has been working for over 2 years at locations ...
0
votes
0answers
10 views

Picamera: intermitent purple snowstorm - EMI or software issue?

I have recently tried a NoIR camera in my new appartment and started getting this strange interference, see photo below. I comes and goes randomly but happens mostly at night in a dark room. Sometimes ...
-2
votes
0answers
29 views

Refresh Tkinter GUI

I'm using tkinter and trying to make a gui that will display data and refresh, however the master.after function is not working as intended. Wondering if anyone can tell me why. My goal is to have the ...
0
votes
1answer
24 views

Is it okay/not okay to add more repositories?

I am using Raspbian Buster.Assume I have added kali-linux repositories in my source list. y question is , 1.What are the risks of adding two different repositories in one OS? 2.Is it going to corrupt ...
0
votes
0answers
33 views

Raspberry Pi 4 native Wifi AC 5GHz not working

This is my first Raspberry Pi, I'm wondering why it can't connect to my wifi AC network when the specification clearly states it can. I have tried editing the wpa_supplicant.conf file to no avail. Any ...
0
votes
1answer
38 views

Piezo Buzzer Driven By Rpi GPIO Problem

I'm trying to light up an LED and play a buzzer noise at the same time. Here is my code so far: Import RPi.GPIO as GPIO Import time GPIO.setmode(GPIO.BCM) GPIO.setup(7, GPIO.OUT) while True: ...
-1
votes
0answers
17 views

speedtest-cli: download speed 0 Mbit/s

I used a small python script to monitor download speeds at different times. I deactivated it for some weeks and wanted to start again today. Before I run my script I wanted to test if everything is ...
0
votes
0answers
32 views

Can't install Docker on Raspberry Pi - NextCloudPi Image

I'm trying to install Docker on my Raspberry Pi 4B running the NextCloudPi Image from own your bits. When I run curl -sSL https://get.docker.com | sh I get the following Error: root@nextcloudpi:~# ...
0
votes
0answers
21 views

Enable Fine Timing Measurement (FTM) on Raspberry Pi 3B+

Is there any way I could create a mesh of Raspberry Pi 3B+ access points supporting the IEEE 802.11mc standard? I'm interested in experimenting with the Wi-Fi RTT Android API for indoor positioning ...
0
votes
0answers
35 views

Raspberry Pi 4 drops hdmi connection for a second at boot tv reconnects, drops signal again after playing any type of video

I've been having a terrible experience with my raspberry pi 4 4G, with regards to a strange problem that's occurring. I am currently running NOOBS with raspbian/libreelec, and everytime after entering ...
0
votes
0answers
28 views

Control two SPI devices at the same time

I have a problem with Raspberry Pi 3b+. I need to connect two DACs (MCP4911) to SPI bus 1. The two DACs are expected to output the different DC voltage level. However, I found that when I connected ...
-1
votes
2answers
47 views

DC12V, 3W Pump's Connecting Wire Melting Down Problem (External PSU 12V, 8.5A) [on hold]

So my wire started burning while activating peristaltic pump with relay and external power supply (output=12V). Why did it happen? Is it possible that diode is not well connected or that relay has too ...
0
votes
0answers
17 views

Starting python script at startup fails after some down time

EDIT: it seems that it starts randomly I have python script and I've created in lxsession/LXDE-pi/autostart file following command: sudo /usr/bin/python3.7 /home/pi/script.py If I type this command ...
0
votes
0answers
10 views

Connecting Raspberry pi 4 using RS485 can hat for communication between RPI 4 and 2 temp controller

I have purchased this RPI 4. And also RS485 driver Now i am wondering how to connect the RPI4 with my two temperature controllers which use the RS485 protocol. Kindly guide me in the step by step ...
-1
votes
0answers
21 views

Budiling small wine cellar rising from the table

I am not sure is it a correct place where should I ask that question, but I would like to build a small version of that rising from the ground wine cellar controlled by raspberry: https://www.youtube....
0
votes
1answer
31 views

Setup respeaker pi-hat 2 on RPI ZW

I am trying to run snips on my rpi0w, and has mounted the respeaker pi hat on to it. Installed the driver using git clone https://github.com/respeaker/seeed-voicecard cd seeed-voicecard sudo ./...
0
votes
2answers
43 views

LIRC Tutorial For Rpi2B+ Buster Too Old Problem

I'm trying to set up lirc on a Pi2 B+ running the latest Raspbian buster and latest kernel / firmware set by rpi-update. I've started from this HOW-TO. All I get from sudo modprobe lirc_rpi is: ...
0
votes
0answers
14 views

Disable Spectre/Meltdown mitigation in rasbian

As raspberry pi 4 use Cortex-A72 as CPU, it should be vulnerable against Spectre/Meltdown attacks, but rasbian has some patchs for these attacks. For some research purpose i need to disable these ...
0
votes
1answer
23 views

C++ Long Double or equivalent on ARM64

I'm having a hard time getting a straight answer about long double precision on ARM64 architecture. I'm engineering a scientific machine requiring extreme precision, and the driver, which I will write ...
0
votes
0answers
33 views

Can't Install Raspbian Because SD Card Shrunk

I have an 8 GB Kingston SD card that I'm using. I formatted the card with the formatter from sdcard.org and it kept its file size after format. I downloaded the NOOBS 3.2.1 file from RaspberryPi's ...
-1
votes
0answers
13 views

Unable to run ALPR on Raspberry Pi 3b+

Hi first time posting here. Im running Raspbian on Raspberry pi 3b+ and im having issues when i execute command alpr. when i run alpr it comes with this output: "bash: alpr: command not found" Ive ...
1
vote
0answers
24 views

Raspberry camera v1.2 results in kernel panic

Update I have found the following issues that might relate to this problem: Framerates below 1 are not supported (https://github.com/raspberrypi/userland/issues/575) Frequent sequential call hang (...
2
votes
2answers
81 views

AC mains dimmer dimming 7W LED lamp problem (RpiZero + MPDM V4.1)

I'm trying to dim a 7W LED with a Raspberry Pi Zero for home automation. However it doesn't work as expected. I followed this tutorial : https://www.youtube.com/watch?v=wqY4-gHqvZI . I have the exact ...
0
votes
3answers
59 views

How to interface more than 10x ADS1115 a raspberry pi?

Hello i am creating a shield for raspberry Pi 3/4 and in need of a lot of analog pins to read 30 sensors. and since the shield can only fit 5 sockets of the connector i am using i need to use 2 ...
0
votes
0answers
28 views

Pi Zero Segmentation Faults

I have two raspberry pi zeros.I wrote program using nodejs and opencv4nodejs. It works as intended on the first raspberry pi zero. On the second pi zero it crashes frequently due to Segmentation Fault....
0
votes
0answers
44 views

Cannot set 60Hz @4k with Raspi 4B

I just bought a Raspberry Pi model 4B. I am trying to set the video output to 4k resolution and 60Hz refresh rate. While I am able to have the output running at 4k resolution (3840x2160 pixels), I am ...
1
vote
2answers
52 views

Screen is blinking while playing video on vlc!

I am using PI4 with raspbian buster. While I am playing videos on VLC the screen sometimes blink. The blinking interval is random. Is it normal or is there a problem that is needed to be fixed?
0
votes
3answers
28 views

How can I connect a Raspberry Pi 3+ with a MacBook Pro 2018?

I would like to access my Raspberry Pi via SSH and am not sure how to connect it to my MacBook Pro from 2018, given that it only has USB-C ports. My idea was to buy a crossover Ethernet cable and an ...

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