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1answer
5 views

How can I power a IR LED ring using GPIO port?

Okay so, I'm currently working on a final year project about vein visualization with Raspberry Pi 3 Model B+ and a NoIR camera V2. An infrared light source is required to capture clear vein image. I'...
0
votes
1answer
12 views

Can't find the IP address of the OSMC device within my network

I want to get an ssh connection to my OSMC device, Raspberry Pi 3+. I have downloaded the .img.gz file from the website, unarchived and installed the .img file into the SD card via (on macOS bash ...
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0answers
5 views

Audio Injector stereo soundcard is preventing boot

I recently bought a Audioinjector stereo soundcard HAT to stream sound on my raspberry pi running Raspbian. I went to their website and installed the .deb installer file and ran it with audioInjector-...
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0answers
8 views

SSH to RPI on same ethernet network fails on ubuntu

I have a RPI that is connected to a router through ethernet and a PC connected to the same router through ethernet. While using windows on my PC I ssh to the RPI successfully using Putty and ssh to pi@...
0
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0answers
6 views

Access point as WiFi router with additional WiFi-dongle

I am trying to set up a Raspberry Pi 4 as a wlan0 <-> wlan1 router and followed Ingo's excellent guide here: Access point as WiFi router/repeater with additional WiFi-dongle Having gone through ...
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0answers
12 views

Pi-Hole: How to change DNS via command

I use Pi-Hole on my Raspberry Pi 2. It's very easy to change the Pi-Hole DNS using the Web Interface Settings. But how can I change my Pi-Hole DNS via command in my raspberry pi console? (Raspbian) ...
0
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0answers
9 views

bind event from evdev to GUI wxpython

I have buttons and joystick as in the image below and I am reading events from these inputs on raspbian with the evdev library, I am also running a GUI using wxpython. My question is how can I bind ...
1
vote
1answer
22 views

What servo motors can safely be driven directly from a Raspberry Pi's GPIO pins?

A Raspberry Pi has enough GPIO pins to power and drive multiple servo motors. It's very easy to place too much load on the PI, causing low-voltage conditions, freezes and restarts. The most reliable ...
1
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0answers
17 views

GPIO.add_event_detect false triggering

I'm currently having trouble with my project. I'm using a Raspberry Pi 3B+ with an InnoMaker Hifi Amp Hat some push butons. import time import signal import os import RPi.GPIO as GPIO GPIO.setmode(...
0
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0answers
15 views

USB-C to USB-C Cable Recommendations for Pi 4

Based on the USB-C implementation issue in Pi 4 rev. 1, I'm looking for recommendations on a non e-marked USB-C cable to use for power. Having dug through my own cable stash, I've found a couple of ...
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2answers
25 views

Controlling 28 invidivual leds with a raspberry Pi Zero

I want to do a what I hope is a simple project. Making a led light clock built into a plank. Basically I'm planning on cutting 28 slots in a piece of wood, and placing a small LED light in each slot, ...
0
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0answers
8 views

How can I take the motion sensing signal from a VR headset to use an input signal, for head movement tracking?

I am planning to build a pointer with two-degrees of freedom, which copies the motion of the wearer's head movement. And to mount a camera on the pointer, to feed video stream to the VR. How do I go ...
0
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0answers
33 views

For the pi-4 which should i use Ubuntu Mate or LinuxMint for desktop use

So as the question suggested I want to try different versions of Linux on my pi-4 but not sure if I should use Ubuntu MATE or Linux Mint on the pi-4. In addition I having a hard time finding images of ...
0
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0answers
8 views

Getting error on Raspberry pi 3 while trying to run chromium in app mode

$chromium-browser --window-size=1080,960 --window-position=0,0 --app=/home/pi/Desktop/python/LMMS.html --disable-quic --enable-tcp-fast-open --ppapi-flash-path=/usr/lib/chromium-browser/...
-1
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0answers
9 views

Raspberry Pi couldn't find wireless interfaces!

After a while I have started my raspberry pi, the wifi disconnects and when I am clicking on my Wifi icon it is saying No wireless interfaces found How am I supposed to solve this?
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0answers
12 views

2 WLAN, 2 SSID, Dongle + integrated wifi on Raspberry PI 3B+

I need to share my eth0 with two WLAN CARD: 1 -> DONGLE WIFI TP-LINK (WLAN 0) 2 -> INTEGRATED WIFI OF RASPBERRY (WLAN 1). I tried with RASPAP, create_AP but only one works :s, how can i make work ...
1
vote
1answer
16 views

Periodic backup of Rpi3 Stretch SD card

Starting with a pristine install of Raspbian Stretch on a 16GB SD card, I plan to set up various sets of software packages. I would like to start with a baseline install and create a restore-point (...
2
votes
0answers
10 views

g++ and gdb debugging does not provide full backtrace

I never experienced this behaviour on classic desktop platform thus I'm asking here. The question is how to correctly debug C++ application (g++ build) using GDB on Raspberry Pi? When my application ...
0
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0answers
13 views

Need advice for live camera feed

I'm helping with the AV for a veterans day event in a few weeks. Because of the cramped space, the people on stage will be facing the front of a gymnasium and the audience will be on bleachers on both ...
0
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0answers
27 views

Accessing xrdp via Windows 10 RDP Reboots Pi

I'm suddenly running into a problem accessing a Raspberry Pi 3B+ on my LAN from my Windows 10 desktop using Remote Desktop. Up until about a week ago everything had been running fine for well over a ...
0
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0answers
11 views

How can I run a PxE server off my Pi to PxE boot Windows Images?

I've come across many different options to run a pxe server on my pi but I run into trouble with each of them. The most promising was PyPxe but this was my last experience with trying that option. ...
0
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0answers
12 views

Ubuntu 18.04 LTS - Cross-compiling Raspberry Pi Kernel - modules_install doesn't create files

I am trying to build a Raspberry Pi kernel by cross-compiling on an Ubuntu 18.04 LTS instance. The compilation of zImage, modules, and dtbs all complete as expected. However, when I run the make ...
1
vote
1answer
13 views

How can I make dhcpcd ignore an interface?

There are two NICs eth0 and eth1 (on Raspbian buster). For eth0 DHCP is used which works fine. eth1 is supposed to be up but otherwise go untouched (NO static address since I‘m trying to setup my own ...
0
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0answers
13 views

Raspberry Pi Services Stop Working when Idle for Too Long

I am running a Raspberry Pi model 4, 4GB, with Buster Lite with Nextcloud and Mumble installed on it. I noticed that once I unplug my pi from my display, that the services stop working and I cannot ...
-1
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0answers
22 views

How can Rpi3 remotely turn on and off home lighting (perhaps using a wireless power switch)?

So I happen to know some python to turn lights on and off in rpi3. Also to automate my home I know how to use relay boards. But the problem is that I have one rpi3 and the light which I want to ...
-2
votes
1answer
29 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
0answers
20 views

Sites unavailable ('Network unreachable') but pings work fine

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. ...
0
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0answers
31 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
24 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
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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
24 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
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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.
0
votes
1answer
34 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
98 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
31 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
22 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
88 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
27 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
44 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
32 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
30 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
23 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
26 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 ...

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