Questions tagged [raspberry-pi-desktop]
For question about Debian with Raspberry Pi Desktop - a operating system for PC and Mac with the Raspbian Look&Feel. Runs from a live disc, in a virtual machine, or installed on a computer.
75
questions
0
votes
1answer
13 views
camera program gives error when run in /etc/profile but the program runs fine
This is the error I get :
picamera.exc.PiCameraMMALError: Failed to enable connection: Out of resources
import numpy as np
import os
from picamera import PiCamera
from time import sleep
from gpiozero ...
0
votes
0answers
21 views
Is it possible to correct the HDMI projection angle for Raspberry Pi?
I'm making a chromium kiosk mode web application running on my Pi sync on 2 screen. One is the 7 inches touch screen. The second is connected to a projector in HDMI and projected on a curved wall (the ...
1
vote
0answers
103 views
Raspberry Pi Pico interfacing Rpi4B / WinPC Thonny Python IDE Problem
I am new to Raspberry in general so I dont have a lot of experience with these devices.
I recently bought the raspberry pi pico and downloaded the micropython file from raspberry´s website. Everyting ...
0
votes
0answers
64 views
Can't get sound on Raspberry Pi's 3.5mm audio jack
I've been asking this question everywhere. I've checked lot of resources, manuals, documentations out there. But couldn't get any sound out of my speaker. I tried the YouTube video tutorials also, but ...
0
votes
0answers
48 views
How do I use one device for audio input and one for audio output?
I am trying to use a Bluetooth speaker & mic combo for my audio input and output for the raspberry pi 4b. The speaker works for audio output no problem, but when it comes to audio input I keep ...
2
votes
1answer
73 views
Install LTE stick from Huwei 3772h on Raspberry PI with suisse telecom
Is there a way to use a LTE on Raspberry PI or Linux in general even if there are only .exe files on that stick?
Did anyone get a LTE stick from switzerland to work with his raspberry pi?
0
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0answers
27 views
Setup Raspberry Pi Bluetooth using Matlab
I want to set up a built-in Bluetooth module of Raspberry pi for providing wifi SSID and Password using MATLAB. But I don't find any Bluetooth object in MATLAB to connect the raspberry pi Bluetooth.
I ...
1
vote
0answers
56 views
How can I make Raspberry Pi's Bluetooth discoverable to iPhone or iOS? [duplicate]
I've got a Raspberry Pi 4B,
when I use an Android phone to connect to the Pi with Bluetooth, it works normally, both pairing and connection.
But when I use an iPhone to do the same thing, the phone ...
0
votes
0answers
119 views
I have a mlx90614 sensor and I am interfacing it with raspberry pi 3 B+ it gives output -273
#It works fine when I run it for the first time but once I run my LCD code then I run my MLX90614 code it gives an output -273 after restart it will work fine(using 2 different codes for mlx90614 and ...
1
vote
2answers
887 views
How to create a shortcut to a directory?
I'm trying to create a desktop shortcut that starts File Manager at a specified directory, in this case a mounted USB drive.
Here's what I have so far:
Backup.desktop
[Desktop Entry]
Version=1.1
Type=...
2
votes
0answers
88 views
Show RAM usage in numbers at the top panel?
For things like CPU temperature or CPU usage, I could find plug-ins that show them in numbers. However, I could not find such a thing for RAM usage. The only thing I could find was Resource Monitor, ...
1
vote
1answer
51 views
An experimental distributed system with Raspberry PI
I am trying to learn distributed systems development, and thus planning to perform experiments using Raspberry PI.
I have no prior knowledge of Raspberry PI in this context. I want to know would it ...
0
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0answers
132 views
Reading Mitutoyo digital micrometer with rasberry pi
Im trying to read the value from my Mitutoyo digital micrometer 543-390B Datasheet. The micrometer is using a smartbox to communicate with PC, the box is using P87C51SBPN microchip P87C51SBPN ...
1
vote
0answers
38 views
Pi4/Kodi media player
I have installed **Kodi LibreELEC on a Pi4 however, I am finding it will not play .mkv or .avi only mp4
Are there any solutions out there? I don't want to convert all my movies to MP4. Thanks for any ...
2
votes
1answer
200 views
I want to build “raspberry pi ” c++ code in desktop ubuntu
I have created simple c++ application program in raspberry Pi. I could build this code in raspberry pi, but I'm getting error while compiling it in my labtop "ubuntu".
My aim is to create executable ...
1
vote
0answers
445 views
DNSMasq reporting “TOo few Arguments”
I'm trying to set up a Raspbian X86 server as a DNSMasq host.
I've got it configured but I get a error on startup, "Too few arguments."
it seems to start up "fairly" normally, but I'm assuming this ...
1
vote
1answer
49 views
Scaling down Raspbian for Adafruit PiTFT 1.14"
I want to use the Adafruit PiTFT (click here) 1.14" with the Raspbian Desktop. How can I scale the Raspbian Desktop down so that it will be normally sized on the 240x135 px screen? An example with ...
0
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0answers
21 views
regarding working of raspberry Pi
I inserted raspberry Pi ip adress in putty and then I open x11 then I selected on x11 forwading then all of a sudden some message popped up regarding any "key" change and I didn't see and did yes and ...
1
vote
0answers
99 views
GUI with tkinter, 2 buttons touched together
Have written a GUI (touchscreen) for my Pi in Python 3 with tkinter. It works in fullscreen. I do not want to have an extra button for shutting down the Pi but when I push 2 buttons together. How can ...
1
vote
0answers
53 views
How do I run AppGameKit for Pi, as it seems to be an executable file?
I am new to StackOverflow so please let me know if I am doing this wrong. I recently got a Raspberry Pi, and have played with it for a little bit. I wanted to use AppGameKit for the Pi on it, but I ...
0
votes
1answer
72 views
What the difference between 'mac tx' and 'radio tx' commands in LoRaWAN?
I am trying to send a message to my TTN application using ABP encryption mechanism through RN2483 LoRaWAN microchip and Raspberry Pi 3. In this case, I am using ArduPi extension board and enable UART ...
1
vote
0answers
23 views
Official Pi Keyboard repeating characters for 1,2,q,w,a,s,z,x [closed]
I just bought the official desktop kit of Raspberry Pi 4 with 4 GB ram.
press 1 - 12 getting printed
press 2 - 12 getting printed
press q - qw getting printed
press w - qw getting printed
press a - ...
2
votes
1answer
2k views
Building a Virtual machine with the .img file of the raspberry pi stretch
I would like to emulate the exact copy of my real RPi on another virtual machine. I noticed that the only working OS to build a virtual machine is the version RPdesktop. I need the specific OS version ...
2
votes
3answers
622 views
How to stream RaspiCam video on webpage on Django server running on other PC?
Hey I wanted to stream rpi cam live footage to a webpage hosted on django server running onther Pc.Any suggestions on how to do it.Thanks.
0
votes
0answers
426 views
How to continuously check Pin status in infinite while loop
I am working with Raspberry Pi 4 and using python for some project.
The sample code is as below:
while True:
if( GPIO.input(a)==GPIO.LOW):
if __name == '__main__':
try:
...
5
votes
3answers
5k views
Is it possible to record the screen and Audio on a Raspberry Pi 4 model B
I wanna record my screen and audio, Is It Possible? how to do that?
I use Raspberry Pi 4 Model B.
I still new, I hope you can help.
thanks.
0
votes
0answers
579 views
PIVPN with Wireguards - Hide IP
i have a question: i installed PIVPN with Wireguard protocol. From my mobile phone, my endpoint is the my ip public and with a specific port, I reach out my VPN. Perfect! My data are encrypted between ...
2
votes
0answers
138 views
Samsung Flip + Raspberry Pi 3
I have started to work with a brand new Samsung Flip digital paperboard (WM55H).
This device works well with my laptop (WIN10) but i would like to have another PC connected to the screen in any ...
0
votes
0answers
125 views
QEMU emulator window is not showing up
I am trying to run custom kernel on QEMU emulator version 2.11.0. Compilation done successfully but QEMU emulation window is not showing up.
Should I use different QEMU emulator version? I am on ...
0
votes
0answers
410 views
Can't get OpenCV up'n'running in Raspberry Pi, what should I do? (details in the description)
I followed the whole tutorial (https://www.deciphertechnic.com/install-opencv-python-on-raspberry-pi/) line by line, but at the end when I imported the OpenCV library in Python CLI, it gave this error:...
0
votes
2answers
2k views
Why won't my TV see the Raspberry Pi 4 as a source
I recently got a Raspberry Pi 4B and i used a 128GB MicroSD card and copied over the files from Noobs 3.2.1. I connected the MicroHDMI > HDMI to my TV and connected the power adapter and turned it on. ...
1
vote
1answer
158 views
Need troubleshoot fix my Raspberri Pi camera
So my MotionEye setup works fine, but after like 24 hours everyday, when I go connect the IP address it won't connect for some reason... And I can see that the Raspberry Pi3 and the Camera is working, ...
2
votes
0answers
31 views
Permanent Arduino usb address on RPi!
So my project is using to Arduinos slaves to RPI that is master. They communicate through USB.
Each time I remove one of the Arduinos I need to modify the .Py script to add the new USB alocated.
Is ...
0
votes
1answer
121 views
Is my PI 3 B+ fine after this odd short-circuit behaviour?
I know that anything more than 5v touches any GPIO then it's dead but I was changing the wiring and accidentally plugged a 12v 2A (for motor supply) connector to a female connector which leads to GPIO ...
0
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0answers
890 views
Is the Debian with Raspberry Pi Desktop available as a 64bit download
I downloaded the Debian with Raspberry Pi Desktop to install on my laptop so I had the same environment on my laptop and Raspberry Pis. However, I find that the installed Java version is a 32 bit ...
1
vote
0answers
467 views
picamera incorrect buffer length
I am currently using a pi camera module to stream video using flask and at some point, it randomly crashes. I found a similar question over here and they say that clearing the stream helped them sort ...
1
vote
1answer
349 views
Video playback on Raspberry Pi 3
I have a raspberry pi 3 connected to one of my TV's HDMI inputs. I've installed VLC, but videos won't play. The image will hang and the audio will continue to play in the background. Regardless of ...
0
votes
0answers
62 views
More Fingerprint IDs in r307 Finger Print sensor
I am using PyFingerprint python library. It's finerprintID storage capacity is 1000. How can store more than 1000 fingerprint IDs ?
my fingerprint sensor is r307
0
votes
1answer
1k views
What is the easiest way to set static ip in raspberry Pi?
I want to do port fowarding of my raspberry Pi, so first I need to set static ip. I searched in Google but didn't find any easy answer.
1
vote
0answers
432 views
How to set the USB port name in raspberry pi 3?
I'm using 2 ports such as /dev/ttyUSB0 and /dev/ttyACM0, but when I remove one of this ports and put it again, the port's identification changes. How can I force a name to my fisical port in order to ...
-1
votes
1answer
787 views
How to install gcc 7 and g++ 7 on NOOBS_v3_2_1 version..?
The preinstalled gcc version on Noobs 3_2_1 is 8.3.0. I would like to downgrade or install 7.4.0 version on it.
When i try to run
sudo apt-get install gcc-7.4
I get Below error.
E: Unable to ...
0
votes
0answers
617 views
Green light always on after a while for Raspberry pi 3 Model B V 1.2 2015
I boot the raspberry pi correctly, the red light is on (solid light) and the green light blinks. After a while, (it can be few hours or a couple of days) the green light stays solid and it does not ...
0
votes
0answers
196 views
How to change back in default raspbian desktop preference?
This is what I did, I changed something in the repository listing and my desktop suddenly changed after a reboot. It looks good now but it is using more processor and increasing the heat of my board. ...
1
vote
1answer
118 views
Boot time problem
i want to reduce boot time on my Raspberry Pi 3B+. I'm using this tutorial http://himeshp.blogspot.com/2018/08/fast-boot-with-raspberry-pi.html and i done 1,2 and 3 step. After this i reboot Pi and ...
1
vote
3answers
412 views
Help need with python script for PiCamera
I am working with the Raspberry Pi camera and need some help regarding the python script. I need to capture a set of 5 images continuously every 5 minutes interval until I want it to stop. This set of ...
1
vote
1answer
2k views
Run python script on Raspbian desktop through ssh access
I have a RaspberryPi with a PiTFT 3.5 display connected. The display is configured to mirror the HDMI output and the Pi is running Raspbian desktop.
Now what I am trying to do is to run a python ...
2
votes
4answers
92 views
What can I use to program a Raspberry Pi 3 board like an Arduino board?
I have a Raspberry Pi 3 board. I want to use it like an Arduino Uno board. My problem is very simple in that, I used 'Arduino' software to link with my Arduino Uno/Nano boards to blink LEDs. I have ...
0
votes
0answers
112 views
Running a visual studio 2019 c++ code with cryptopp library on raspberrypi for performance analysis
I've written a code in visual studio 2019 in c++ language and it involves various cryptographic mechanisms. It also includes Elliptic curve library named cryptopp. I want to simulate and test the ...
1
vote
0answers
39 views
Command to verify that desktop is loaded completely [closed]
What is the terminal command that verifies RaspbianOS is loaded completely? Any other command that does not return the value unless the environment is loaded is fine also?
0
votes
0answers
136 views
How does the RPi Boot work?
I am a complete beginner in Raspberry pi and have very little knowledge of the Operating system. So to put on the OS on my new Raspberry Pi I come across the "RPi Boot".
When I follow the steps as:
...
