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Questions tagged [pi-3b+]

Use for questions specific to the Raspberry Pi Model 3 B+

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4 views

Raspberry Pi 3B+ Bluetooth undiscoverable on iPhone

I installed latest version of Raspbian Stretch with desktop (which comes with pre installed bluetooth). I turned the bluetooth on, and made it discoverable. At the same time I searched for available ...
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0answers
12 views

Pi stopped booting after one night

Last night I set up my Raspberry Pi Model 3B+ as a Samba Server with an External Hard drive. After connecting to it on one of my PCs, I went to sleep. I also had VNC Server set up on the Pi so I had ...
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2answers
21 views

How can i Get 5 Volt output with GPIO

I am using Raspberry Pi 3 B+ and I want to run a 5 volt DC motor with RPi.GPIO, I have written a code: import RPi.GPIO as GPIO from pip._vendor.distlib.compat import raw_input u = raw_input('how ...
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1answer
36 views

Cannot resolve local hostname of my Raspberry Pi

Currently I am using a pi 3 model B+ as a mopidy server. I set this up at home and I was able to access the pi with the hostname from a browser (e.g. going to http://hostname.local/ in a browser). I ...
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0answers
6 views

RPI Motion service delay on restart

Is there any way to delay the start of the Motion service on RPI restart? I'm having an issue where v4l does not make it yet to provide /dev/video0 but Motion is already trying to open it and ...
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0answers
17 views

Waveshare 3.5 (A) display speed 41000000 not work

i had a real waveshare 3.5 lcd. and, i try to edit config.txt. i'm try to edited speed=41000000,fps=60 and speed=36000000,fps=60. refresh rate is worked so smoothly! but display's color is terrible. i ...
1
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1answer
25 views

Change back from LCD driver

I've successfully installed this 3.5" LCD display, which uses this LCD driver: https://github.com/goodtft/LCD-show. My problem is, that when I use VNC to remotely access the PI, (I assume) because of ...
2
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2answers
38 views

I'm trying to run a python script at boot but keep getting “socket.error: [Errno 111] Connection refused” error

I've bought my first Raspberry Pi 3B+ last week and started working on my project but I seem to be stuck at this point. I've looked through a hundred different posts but none of the solutions seem to ...
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0answers
22 views

Correct wpa_supplicant config for WPA2-Personal connection

I need to setup my pi 3b+ headlessly (I dont have access to a monitor or keyboard). I have already burnt raspbian lite to my sd and added the ssh and wpa_supplicant.conf files. However, the pi does ...
0
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1answer
25 views

Issues with systemctl launching service

I have followed various tutorials to get systemd to launch Homebridge on my Pi. This is the main one which seems to have worked for many others: https://timleland.com/setup-homebridge-to-start-on-...
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2answers
33 views

How can I capture the 720p fps60 video?

I tried to use below command to capture the video, but output video fps only 25: raspivid -rot 180 -t 10000 -w 1280 -h 720 -fps 60 -b 1200000 -p 0,0,1280,720 -o test.h264 Any one can help me?
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0answers
15 views

What's a decent overclock for RasperryPi 3B+ with added heatsink at these temps?

So I've been bench-marking my 3B+ with sysbench and i've been thinking of adding an overclock, but i don't want to over do it, what is a decent overclock with these temps (47.2'C is average idle temp) ...
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3answers
42 views

can't install opencv on my pi

I'm an absolute Raspberry Pi newbie. My intention is to get some camera vision project working for which I need OpenCV3.3's dnn Python module. I've found here a description of how OpenCV can be ...
0
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3answers
43 views

How do I set up a OpenVPN tunnel for Raspberry Pi on LAN without internet connectivity?

My setup is described in the image above. I have a raspberry pi connected to a router via Wi-Fi and the router is connected to a host via a Ethernet cable. The router doesn't have a internet ...
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3answers
64 views

How to choose a suitable display for pi 3 B+?

I'm currently looking for a display 5 inches or less for my PI, but there are a lot of information and since I'm quite new to the world of raspberry I'm looking for some help and guidance on where ...
0
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1answer
54 views

3D printer corrupts Pi when shutdown

I have my rPi hooked up to my printer via USB connection and powered by a power adapter as supplied with the kit from amazon: https://www.amazon.ca/gp/product/B07BD3WHCK/ref=oh_aui_detailpage_o04_s00?...
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1answer
34 views

Cannot start openELEC on Raspberry Pi 3B+

I've tried a whole bunch of media center systems for my fresh RaspberryPi 3B+. The most interesting one for me is openELEC, but unfortunately it is the only one I can't seem to successfully run - ...
1
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1answer
75 views

Handle data while filming with rPI [closed]

We will buy the BMPCC4k (This means 500GB/hour on a ssd), as we are a low/no-budget production, we can't have someone handling data. I had the idea to use a rPI3+ to use for this. But I'm not sure if ...
0
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1answer
23 views

On initial boot of Pi 3B+ what config app is running?

When you first start a 3B+, there is a configuration application that runs. How can I restart that from the CLI? I need to start that application to simulate the initial start.
0
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1answer
33 views

Raspberry pi doesn't connect at all after I did reboot

I have Raspberry Pi 3 B+ and I tried to apply some answer in GitHub for a problem that I faced before. https://github.com/adafruit/Adafruit_Python_DHT/issues/63 The problem is that when I run these ...
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1answer
33 views

Wiring on RPI3 when connecting two peripherals - microcontrollers simultaneously

I am currently having an ADC(MCP3008) connected to a rpi3, using the following wiring map, in order to read data from analog sensors. MCP3008 -> RPI3 VDD -> 3.3V VREF -> 3.3V ...
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2answers
13 views

After reboot: Model 3 B+ shows up as client in router interface, but not responding to pings and has no internet connectivity

Very odd problem here. I have Model 3 B+ running Pi-hole and dnscrypt-proxy. Everything was working just fine until this evening when it lost power for an extended period of time. Since powering it ...
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1answer
43 views

I want to connect raspberry pi and alexa in order to control my Samsung tv

i have amazon alexa and i cant control my Samsung tv model UE50KU6000W. Somewhere i can't recall i think that i read that you can do it if you use raspberry pi. So is that true? and if so how can i ...
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2answers
37 views

Is this Solenoid Connection Correct?

I'm new to this Raspberry Pi. I'm trying to build this project: https://www.hackster.io/hitherejoe/braillebox-braille-news-reader-e86060 But the circuit diagram in it: https://hackster.imgix.net/...
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0answers
23 views

Video on local page lags but on YouTube it plays smooth

3B Plus model and latest Raspbian version. I’m developing an ExpressJs app where I could display photos and videos as a slideshow in a web browser. Everything works fine except when it comes to ...
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0answers
34 views

Chromefy (Chrome OS) on RPi3B+?

Has anyone tried using Chromefy (a way to get official Chrome OS on any device) or similar Chromium OS releases on the RPi3B+? If so, which one works best?
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0answers
31 views

Connecting wifi to Raspberry Pi 3B+

i have used wifi before and it worked but now only Ethernet works. ive tried the config file and switching wifi dongles but nothing. ive use sudo ifup wlan0 and get wlan0 not detected , but ifconfig ...
1
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1answer
24 views

Compiling GCC 8.1.0 on Pi64

I have installed Pi64 from here. I want to compile GCC 8.1.0 as per the instructions here. However the text of the article sets the target architecture to --with-arch=armv6 which is 32bit? Should/...
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0answers
25 views

Error while opening LXTerminal in Raspberry Pi

I have got a problem. I am giving power to RPI 3 B+ and waiting for starting OS. Then when I open LXTerminal there are symbols with error of /etc/inputrc(see screenshot in down). Please help me, and ...
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0answers
11 views

Is there anyway to use raspberry pi to control an air compressor driving a hydraulic press?

I have a 20 ton shop press that I would like to automate to have certain run settings at a certain psi for a specific amount of time. For instance if I wanted to press something at 140 psi for 3 ...
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2answers
61 views

FreeBSD on Raspberry Pi 3B+ not booting

I used the 64-bit CURRENT build and copied the image to my microSD card. During the boot process my Pi is hanging on network configuration. Is the Pi 3B+ officially supported and how can I fix the ...
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1answer
26 views

Raspberry Stucks After Welcome Screen

My raspberry(pi 3B+) doesn't work after reboot. It stucks in black screen. The Red led is on but green one is first flashing then stops. And the point is flashing on screen.
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1answer
56 views

Control Raspberry Pi from PC without internet

I got a Raspberry Pi 3b+ and I got a problem with my internet and I want to control my Pi with my MacBook. It should be like with a VNC server. But in the next time, I got no internet and want to go ...
1
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1answer
37 views

How do I run a service (Darkice) in the background?

I am trying to build a one-button Darkice streaming box, I'm using a Pi 3 B+ with Stretch from NOOBS. I have everything set up but my Python script hangs up as soon as the button is pressed and ...
0
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1answer
127 views

How to update Chromium on RPi 3B+?

I'm brand new to Pi, and I found that the Raspberry Pi chromium is not as updated as standard Chromium. Thanks in advance. EDIT: For clarification, I am on Raspbian 2.5 (Nov. 2018) on a Raspberry Pi ...
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0answers
18 views

Xorg doesn't properly work on RPI3

I'm trying to configure Xorg on my Raspberry Pi 3 (Model B). I've just installed Debian GNU/Linux (unstable/arm64) and it runs. Then, I've decided to install Xorg, LightDM, and i3 but I'm having ...
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0answers
40 views

Raspberry Pi 3.5 Inch Display Works on Pi 2 B but not 3 B+

The exact screen is this one. http://www.neosecsolutions.com//products.php?28 On a Raspberry Pi 2 B it boots to raspbian. On the 3 B+ it gives a white screen, The Raspberry Pi 2 B has a white screen ...
0
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2answers
42 views

Can I delete the “~/.cache” file?

I am new to Raspberry Pi and Raspbian. Just curious, can I delete the ~/.cache folder? What is its purpose? Can I automate the deletion process for this folder? What's the command/scripts that I can ...
0
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1answer
46 views

Raspberry Pi running python opencv on php

I try to use the php running the python: <?php $command=shell_exec('sudo python /var/www/html/FacialRecognition/simpleCamTest.py 2>&1'); echo $command; ?> But the result show in ...
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0answers
72 views

Raspberry Pi 3 Model B+ — Wifi Country not set every boot?

I have a Raspberry Pi 3 Model B+. On the initial installation, I was able to select a WiFi network and connect to that in order to download and setup everything I need. After that, I had to switch ...
0
votes
1answer
65 views

Could not open port /dev/ttyS0: Errno 13: Permission denied: '/dev/ttyS0'

I am getting this error whenever I am trying to run this code: import serial from time import sleep ser = serial.Serial ("/dev/ttyS0", 9600) #Open port with baud rate while True: ...
1
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1answer
34 views

Running a Python Script with Tensorflow via systemd doesn't work, but running the same script via the terminal works

I have successfully coded a Python 3 Script that detects objects in a frame given my the camera. Based on those objects detected, I run commands and logic. I have tested this and I can run it via the ...
2
votes
1answer
140 views

Swift ARM build that will run on Raspberry Pi 3 B+

I've been fiddling around in my free time trying to get Swift 4.something to run on a Raspberry Pi 3 B+ with Raspbian Stretch. I found a repo on GitHub which looked promising, but after building it ...
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0answers
12 views

How can I map js2 joystick to keys for retroarch

I built an arcade cabinet using a Raspberry pi running RetroPie. This is a single player configuration but my button set came with 2 usb boards that simulate two Dragon joysticks. (js1 and js2) So I ...
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0answers
37 views

Raspberry pi 3 b+ doesnt read rfid tags

we are currently working on our class project that contains raspberry pi 3 b+ in which is connected rfid reader that should read tags. The thing is, it does not. We have used different tutorials but ...
0
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2answers
33 views

Raspberry Pi batman-adv ad-hoc network setup unreliability

Problem: I am trying to configure batman-adv network on raspberry pi 3b+ following this, using on-board wlan0 interface coming with raspberry pi 3b+. Once the network is executed by following all ...
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0answers
48 views

AArch64, Weston, xwayland — x clients not working / Desktop freezes

I have installed AArch64 (ArchLinuxARM-rpi-3-latest.tar.gz) as described here on a new rpi 3. Additionally I installed those packages: mesa libva-mesa-driver libnotify notification-daemon adobe-...
1
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1answer
128 views

(Error trying to run qjackctl) libEGL warning: DRI2: failed to authenticate qt5ct: using qt5ct plugin

Running Raspbian installed with NOOBS. qjackctl is installed with all its dependencies using Synaptic. Just trying to run Guitarix on my Pi3 B+. I tried following the instructions in this solution, ...
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0answers
44 views

Low video quality with h264_omx encoder

I have a Logitech C922 webcam and I'm recording using ffmpeg with this settings: ffmpeg -thread_queue_size 1024 -f alsa -r 16000 -i hw:1,0 -f video4linux2 -thread_queue_size 512 -s 1920x1080 -i /dev/...
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1answer
77 views

I think I fried my RPi

I am working on two stepper motors and trying to control them using RPi3(Ubuntu mate) with A4988 motor drivers.I successfully managed to drive the motors with extenal 12V battery source.After ...