Questions tagged [pi-3]

For questions that apply specifically to the Raspberry Pi 3 and not other/all models.

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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 ...
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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
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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.
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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
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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, ...
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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: ...
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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
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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 ...
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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 ...
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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 ...
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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
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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
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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'...
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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
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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 ...
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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: ...
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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 ...
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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 ...
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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:...
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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
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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,...
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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
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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
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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 ...
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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 ...
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 ...
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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
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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 ...
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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 ...
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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
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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??!
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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 ...
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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 ...