Questions tagged [pi-3]
For questions that apply specifically to the Raspberry Pi 3 and not other/all models.
0
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0answers
4 views
Trying to connect vnc server from my Pi 3 but getting blank screen in vnc viewer
Hey I have setup the VNC server and running chrome there and want to see the same view here in my RaspberryPi3. But I am getting the blank screen.
I have done the same setup in my laptop it is ...
0
votes
0answers
10 views
Execute Python-Script on MotionEyeOS
I've recently created a Card with MotionEyeOS for the Raspberry Pi. I've tested motioneyeos already on DietPi and the normal Raspbian, but it didnt worked with the original Raspberry Pi-Camera.
In a ...
1
vote
0answers
17 views
Safe cut power supply from raspberry
I want to cut safe the power supply from the raspberry with a relay
connected to the gpio.
I know how to connect to relay to the board but..
When the relay turn off the power line will be cut off to ...
0
votes
0answers
15 views
Wearable motion capture suit
I am trying to find the simplest way to connect multiple 15 IMU sensors (ICM-20948) to a wearable suit.The thing is that they all have fixed addresses.
The solutions I found so far are:
Using a ...
0
votes
0answers
16 views
The docker repository does not have a release file
I'm trying to install Docker on a Raspberry Pi 3.
I followed the instructions and ran:
curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh get-docker.sh
When I do this, I get the following ...
1
vote
0answers
15 views
RPi Quadcopter under RISC OS
it is well known that the pi is in recommended for the quadcopter as raspbian is not a real time operating system
the question is, will using RISC OS offer any advantage over raspbian, and make the ...
0
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0answers
8 views
Ubuntu Server 18.04 on Raspberry Pi B + / Resolution Problem
Does anyone have a solution to a Resolution problem with Raspberry Pi B + running Ubuntu Server 18.04? It is connected to Samsung TV via HDMI and text is cut off (Spilling off screen). It is unusable ...
0
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2answers
31 views
How do I download raspberry pi updates to a linux server [on hold]
Relativity new to Raspberry Pi and Linux in general, but essentially I'm trying to create an update repository for my Raspberry Pis via a separate Linux server, how would I go about doing this? On the ...
1
vote
1answer
51 views
Utilising a Raspberry Pi as a wireless access point and a webserver
I have followed the official Raspberry Pi documentation's guide to setting up my Raspberry Pi as a wireless access point, with a shared internet connection using the bridge functionality discussed at ...
-3
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0answers
16 views
Start program when a device connects to local wifi
I'm looking for a python program that could detect when device has connected to a local wifi and start a specific program. And would communicate via SMS with raspberry pi.
0
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0answers
14 views
Raspberry Pi 3 Model B Hung / Frozen, Including Clock?
I just happened to check on a Raspberry Pi 3 Model B with Raspbian Jessie 4.9.35-v7+ this morning and found it unresponsive. IIRC, there is an LED that is normally on when the Pi is on, so I thought ...
2
votes
1answer
26 views
Any existing software which can safely update the Raspberry Pi with dual OS partitions?
We are using Raspberry Pis model 3B in some remote deployed products, each one is running a Raspbarian OS image. I'd like to investigate a software update scheme that would allow dual OS partitions, ...
1
vote
0answers
13 views
About code of GPS Neo 6M with Raspberry Pi3
Firstly my GPS only blinks led upto 1hour only and thereafter no connection in day. Why it is so? Also my this code is not working (with LCD display). It shows syntax error as
SerialException: ...
0
votes
0answers
21 views
Using Raspberry Pi Camera (CSI) with Windows 10 IoT Core
I want to use the official Raspberry Pi Camera on my Pi which is running the current Build of Windows 10 IoT Core.
I figured out that this will not to work using the UWP stack.
Microsoft Tutorial ...
1
vote
1answer
73 views
No internet on client device when connected to Raspberry Pi [on hold]
I've been trying to set up RPi to act as both a wireless AP and wifi station simultaneously. I've got nothing but errors and bugs so far. I did however find this guide that creates a virtual AP and ...
0
votes
0answers
21 views
Raspberry pi showing nginx welcome page on local IP after uninstall
I have been fiddling with nginx to make a reverse proxy for Deluge with no avail on my Raspberry Pi 3 running the latest version of raspbian. So, I attempt to uninstall it. I did the usual thing, sudo ...
0
votes
0answers
21 views
Log in password [on hold]
So I accidentally logged out of the raspberry pi and I didn't change the default password though, so I decided to check this website, I saw answers and I used all the answers but it's not still ...
0
votes
0answers
14 views
Miracast and digital signage on rpi3 [on hold]
I would like to configure a rpi3 to sit in a lobby/ meeting room to work as
× a digital signage (eg as screenplay.io) showing content from our intranet. Screenplay seems to be more or less perfect ...
1
vote
1answer
36 views
Power on a machine by pressing a physical button
There is a machine which usually runs in standby mode, and the only way to wake it up is by pressing a physical button with a small force and then quickly release.
I want to remotely push the button ...
3
votes
1answer
39 views
netperf command doesn't exist on raspbian
I am trying to run some tests about network on my Raspberry Pi 3 B+, and I have raspbian on it. I installed flent via apt install flent, and I ensured that non-free repository is enabled. I still can'...
0
votes
0answers
10 views
selenium.common.exceptions.WebDriverException: Message: connection refused
I ran a program with selenium
from selenium import webdriver
driver = webdriver.Firefox()
driver.get('http://www.google.com')
and this error accured
Traceback (most recent call last):
File "/...
13
votes
8answers
7k views
What is the highest voltage from the power supply a Raspberry Pi 3 B can handle without getting damaged?
I am using Android things on Raspberry Pi 3 B with a 7-inch touch screen. Currently, I always see a yellow thunder bolt sign on the screen which means that the Raspberry Pi isn't receiving a high ...
0
votes
0answers
8 views
Adding Subtitle font in OSMC
Hi
I have OSMC installed on berryboot. And I want to Add my own Subtitle fonts (.ttf).
I tried to locate Font file from OSMC File Manager. But I only found a file named "addons"
this was the path:
...
0
votes
1answer
32 views
False Contact Closures - Do I Need Physical Pull Up Resistors to Resolve?
I'm running Raspbian Jessie 4.9.35-v7+ on a Pi 3 Model B. I cobbled together a basic python script to monitor a GPIO pin and send a network signal to a remote application, made two copies of the ...
0
votes
1answer
28 views
virtual keyboard RPI 3 model B
I tried installing the virtual key board as described here:
Virtual keyboard activation
on my RPI 3 model B Board
but it doesn't work at all
I get this when installing:
pi@raspberrypi:/ $ sudo ...
1
vote
0answers
41 views
LIRC receiver problem after kernel update
I recently updated my raspberry pi 3 using sudo apt update && sudo apt upgrade . During the process rpi kernel got updated.
uname -a
Linux raspberrypi 4.19.42-v7+ #1219 SMP Tue May 14 21:20:...
1
vote
1answer
34 views
Raspberry Pi 3 B+ was connected to NRF24L01 in the following manner as in diagram but Raspberry pie not working after that why? [duplicate]
I connected VCC to 3.3V and GND to 5V of raspberry pie mistakenly. Now raspberry is only showing red light on and no green light blinking. What might be the probable reason. Is there any solution so ...
1
vote
1answer
16 views
Plex video problems on updated Chromium
I have a Noobs RPi 3 connected to my TV. After a recent apt-get upgrade, Chromium is no longer displaying video from my Plex server correctly (it was working fine before the upgrade).
I get the audio,...
0
votes
0answers
21 views
Need help on how to apply arcade kit commands in Python code
I'm using Python on my Raspberry Pi to code some games for my high school finals project, and I want to play them with a arcade kit (Game DIY Arcade Set Kits Replacement Parts USB Encoder to PC ...
1
vote
1answer
15 views
ALPR on Raspberry Pi [closed]
I'm looking to do a quickie - that is, a simple project for ALPR on the Raspberry Pi. I would prefer to have the ALPR engine on the Raspberry Pi so that I don't have to send images over to the cloud. ...
2
votes
1answer
38 views
raspberry pi serial communication function (serialdev)
I'm working on a radar project and I want Matlab to send commands and collect radar data remotely from the USB port of a Raspberry Pi 3 B+. My setup is as follows:
I have the radar connected to the ...
1
vote
1answer
30 views
Rpi Webrtc echo cancellation - aec
I am using Rpi-Webrtc-streamer for webrtc on raspberry pi with usb sound card connected to audio amplifier for speakers and electret microphone. I am able to run webrtc correctly but with issue of mic ...
1
vote
1answer
34 views
IP address randomly changed wlan0
I had an issue related to IP change. Is it typical for a Raspberry Pi to randomly change the IP? When I ran the command ifconfig, I noticed that under wlan0 inet, my IP address changed. I was made ...
0
votes
0answers
17 views
How do you set up Squid Proxy behind DHCP router?
I installed Squid on my RPi-3 for use behind a DHCP router. However, the pi will not route traffic back and forth between my computer because my router's DHCP settings. I don't want to give my router ...
0
votes
1answer
24 views
Black Screen After boot in raspbian
I have Raspberry pie 3 with Raspbian, after turn it off and turn on again, after boot (displaying four raspberry), the display shows only a black screen.
I can login with alt+ctl+f1 and access a ...
3
votes
1answer
155 views
Reactive Programming
The examples I see for the GPIO input are based on a loop which waits and check if the GPIO is receiving any info. Is there a way of just detecting when a button was pressed without using a loop under ...
1
vote
1answer
23 views
Most recommended power-supply option from dual-port Powerbank
I have a Raspberry Pi 3 model B [1]. It's powered by a DC adapter that outputs 5.1V and 2.5A. Although I consider ocassional manual reboots, I'm planning to use a Powerbank as some kind of UPS, after ...
1
vote
1answer
45 views
chrome won't install because of architecture?
I am trying to install Chrome on a 64 bit, see all info below. I also tried this on Ubuntu and get the same thing. Chrome won't install because of the architecture. I am some what knowledgeable with ...
1
vote
1answer
33 views
bluez - failure to pair bluetooth remote
I'm trying to pair my PS3 remote with my RPi 3, through bluetoothctl. The steps I'm attempting:
place the remote in pair mode
run
bluetoothctl
[bluetooth]# devices
Device 00:19:C1:5A:24:7B BD Remote ...
2
votes
0answers
22 views
SPI NOR Flash: Unstable reads
So I hooked up an Winbond 25Q256JVEQ to my Raspi3 via SPI (spi0.0) and want to read its content.
I use the jedec-nor-spi dtoverlay so its available as MTD.
However when I want to read the chips ...
0
votes
2answers
73 views
Read TV remote IR codes for building a RPi3-powered remote
I am trying to figure out how to read IR codes of a TV remote, so I can build my own web-based remote using a Raspberry Pi 3 with IR receiver and IR transmitter. I see a ton of articles online but ...
1
vote
1answer
18 views
How can I restore the default toolbar or add apps from the command line?
So I was messing around with the toolbar and ended up deleting the whole panel. When I rebooted my Pi, the panel came back, but it was empty, so I opened the toolbar editor, and was able to add an ...
0
votes
1answer
40 views
raspberry pi home automation sphinx
Hello.
I'm suffering from this problem. Had anyone here dealt with it before, if so please help me. I'm running out of the time.
I already downloaded cont_ad.h to sphinxbase library but nothing has ...
1
vote
0answers
26 views
How to switch between VGA and HDMI for 7 inch display controller without OSD keyboard
I have a 7 inch 800X400 display, with the controller board, but I don't have the switch keyboard or OSD panel, When I hook it with raspberry pi using HDMI or VGA or even composite cable, it shows VGA ...
0
votes
1answer
65 views
How to send and read a string from Raspberry pi to Arduino via serial interface?
I was trying to send and receive data between Raspberry pi and Arduino UNO.
I'm able to send and receive a string from Arduino to Pi using Serial.println.
I spent hours searching a better tutorial or ...
0
votes
0answers
22 views
PiFace Digital2 and LED display
I'm building a home alarm system with Raspberry Pi 3 B+ and the PiFace Digital 2 board.
I will have used all 8 inputs, and maybe 4 outputs.
Now, my question is, If I would like to connect a 16x2 ...
0
votes
0answers
23 views
RaspberryPi2EGLFS guide - EGL/GLES libraries fix fail
I built Qt 5.12.3 for Raspberry Pi following the RaspberryPi2EGLFS guide from Qt Wiki.
I was able to reproduce almost each one of the steps described in the guide, but on step 14 (EGL/GLES libraries ...
0
votes
1answer
22 views
Corrupted image file when using win32 [closed]
What things make the file is corrupted and not readable as an image file?!
if the sd card is read-only, this prevent that I able to take a copy from it??!
0
votes
0answers
29 views
Can't SSH into RPi from Mac Using Direct Ethernet Connection
I am completely new to the Raspberry Pi - I was bequeathed a 4yo RPi 3 and am trying to setup Kali. I have temporary access to a TV I can plug it into but will soon be leaving to go back home where I ...
0
votes
0answers
17 views
Error installing dotNet4.0 on Wine
sorry if the solution is obvious but this is my first time working with Linux.
Backstory (just the reason why I do this): I have to code a Programm for school which has to run on a Raspberry Pi and I ...
