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Questions tagged [pi-3b+]

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

1
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1answer
78 views

How to use two keyboard layouts in Raspbian

I am using Raspbian 9 (Stretch) and I want to use both English and Persian keyboard layouts at the same time. Right now I have to go to the preferences every time I need a keyboard layout shift. Is ...
1
vote
0answers
325 views

How to upgrade other major OS to work on 3 B+

Scenario I am yet another victim of thinking my rpi 3 B+ was broken when it wouldn't boot up. It turns out that the 3 B+ is looking for some special boot instructions. I currently have: Ubuntu Mate ...
0
votes
1answer
207 views

qtdesign-UI using PyQt5 is not showing images on raspberry

My ui created in qtdesign is not showing the images on raspberry pi 3B+ with LCD-screen. I added them to the ui via the resource and in qtDesign5 they do show up. I have tried to add the image as ...
1
vote
0answers
115 views

Raspberry Pi 3B+ Ethenet socket Orange LED flashing

I have this weird issue with my Raspberry Pi 3B+ where during normal operation, e.g. while running sudo apt update && sudo apt upgrade the command errors out saying it couldn't connect to the ...
0
votes
2answers
152 views

Raspberry not discoverable on local network

I've installed Raspbian Stretch Lite (June 2018) to a Raspberry Pi 3B+ and am trying to connect to it via ssh. Pi and my macbook are directly connected to the same network switch and my wifi is off to ...
6
votes
1answer
645 views

Netbooting multiple “workers” RPi from a “master” RPi

My question is, I believe, a little bit complex, and I think it would be better to fully describe what I have and what I want to achieve, with what I am able to do. What I have I have a group of ...
0
votes
1answer
181 views

Is it possible to use Wifi and Bluetooth at the same time on a RPi 3B+?

I need to connect to WiFi and Bluetooth at the same time using an RPi 3B+. Is it possible or will one connection drop out or be very substandard while using the other?
0
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0answers
65 views

Qt project deployment on rpi 3 board

I am done with cross compiling Qt 5.10.1 for rpi 3 board and took me nearly 7-8 days. now everything is set and when i tried to run the deployed project on rpi3 : The error popped out: relocation ...
0
votes
0answers
29 views

Raspberry PI not booting - underpower

I have 2 RPis, both version 3, model B. One has V 2.1, 2015 stamped on it, the other has no version, just 2017. I have 3 SD cards; the 2015 PI boots with the two that I had before recently getting a ...
1
vote
2answers
1k views

Installing PyQt5 on raspberry: unable to imoprt PyQt5.sip

Trying to install PyQt5 on Raspberry Pi 3B, I followed instructions to first download, extract and install SIP and then download, extract and install PyQt5. Python 2.7 and 3.7 are both installed on ...
0
votes
0answers
113 views

cross compilation Qt 5.9.1 with rpi 3

I am trying to cross compile QT 5.9.1 for Rpi3 board. when i run make command i am getting following errors: make[5]: *** [../../../../lib/libQt5EglFSDeviceIntegration.so.5.9.1] Error 1 make[5]: ...
0
votes
2answers
30 views

Unable to detect the button press

I am trying to execute the code where the LED will be blinking until the button is pressed. Once the button is pressed, the LED should be 'On' without blinking. The issue is that the LED keeps ...
0
votes
1answer
44 views

Roughly how much users could handle a RaspBerry Pi3b+ as server for standard Wordpress personal blog?

I want to try to use my raspberry to host a standard wordpress personal blog. Yes I know this could sound a crazy idea but I'm wondering roughly what range of users could handle assuming a standard ...
1
vote
1answer
34 views

latest raspbian kernel update broke bash

I just updated by raspbian box (stretch, upgraded raspbian-kernel, using it as console only) and somehow broke bash. Every time I try to log in (either by ssh or locally) I get the following error: ...
0
votes
0answers
121 views

Connecting RAW NAND through GPIO

I'm trying to define a device tree for connecting an external raw NAND using GPIO on RPI3. I found that there are available drivers, and I found an example in the sources' "Documentation" directory ...
0
votes
0answers
114 views

cross compile Qt 5.7 for rpi3 : help needed

i am trying to cross compile QT 5.7 for rpi 3 and following following links for the same: https://www.ics.com/blog/configuring-qt-creator-raspberry-pi https://wiki.qt.io/RaspberryPi2EGLFS on ...
0
votes
0answers
43 views

Both local network and enterprise wifi connection on pi 3 running stretch

I am currently trying to build a monitor system with rpi, running stretch image, and a esp8266 nodemcu 1.0. I want to connect them using MQTT via a local network on a router. The Rpi is also connected ...
0
votes
0answers
182 views

Build Yocto image on a RPi B+

I am new to Yocto, but I was wondering if it is feasible to build a Yocto rpi-basic-image on Raspbian using a B+ model with a 128GB SD card. Do you have any idea if it is possible?
1
vote
2answers
699 views

Booting Arch ARM from USB

I've recently learnt that Arch ARM is not designed to work being booted from a USB, and can only work from an SD card following the installtion guide on their site (https://archlinuxarm.org/platforms/...
0
votes
1answer
161 views

Arch ARM: mount: /new_root: special device /dev/mmcblk0p2 does not exist

I've installed Arch ARM onto a USB and I'm trying to boot off of it on my Pi 3B+, but whenever I boot the error message mount: /new_root: special device /dev/mmcblk0p2 does not exist shows up, and I'm ...
1
vote
1answer
369 views

Speeding up boot process : RBP 3B+ and UBoot

I am trying to setup a system in the RBP 3B+ using UBoot as bootloader. I am trying to get it to boot the fastest I can (at the moment, I have a Class 10 SD card) and I am getting around 1.4s from ...
1
vote
2answers
2k views

Raspberry Pi 3 B+ no wireless interfaces found

I can connect to Wi-Fi when I use RPi 3B but when I boot the system with 3B+ it doesn't connect to Wi-Fi automatically and when I click on the top right to connect it to Wi-Fi, I see the error: no ...
1
vote
2answers
365 views

Cannot Detect LIDAR Lite v3 Raspberry Pi 3B+

I am trying to connect my Garmin LIDAR Lite v3 sensor to my Raspberry Pi 3B+ via i2c interface. However i2cdetect on the command line returns dashes for every address. I'll try my best to clearly ...
1
vote
2answers
121 views

Raspbian Lite booting with nov'16 date (causing a disk check every time)

Since last week my Pi begin to take a long time during boot to check its sd card, and if plugged any external devices. At first I thought the SD card was dead, but switching with another, and ...
0
votes
0answers
12 views

Power draw over various states of wifi/bt connectivity

Can someone measure power draw of a pi with integrated wireless over different states of connectivity such as scanning, connected, disconnected, in-use, disabled, etc, for Bluetooth LE and WIFI each? ...
0
votes
0answers
53 views

Pi stopped working suddenly

I'm using an RPI 3B+ and it suddenly stopped working (after shutdown didn't boot again). The SD-Led on the board shows constant green. I tried creating a new image-file on the SD (which until now has ...
-1
votes
2answers
48 views

How to use sensors which are not at close distance with the Raspberry Pi using line wires? [closed]

If my sensor is outside my house and I want to keep my Raspberry Pi inside the house, how do I connect them? If it is near the sensor I can connect them using jumper wires, but how to connect them ...
0
votes
1answer
230 views

Pi boots to rainbow screen and flashing RED LED when using BerryBoot

I recently bought a Raspberry Pi 3 Model B+. As I want Raspbian together with Retropie I thought it would be a good idea to have the BerryBoot-bootloader in order to boot multiple operating systems. I ...
0
votes
1answer
304 views

Is it true that windows IoT remote client does not work with Raspberry Pi 3b+? [duplicate]

Is it true that windows IoT remote client does not work with Raspberry Pi 3b+? My Raspberry Pi is running on Windows 10 IoT core, and I tried to use remote client to control it, but the connection ...
0
votes
0answers
361 views

Pi Hole Stopped working after reboot on VPN enabled Raspbian

I've been using a Raspberry Pi 3B (running Raspbian) with OpenVPN and ISC DHCP for about a month now and everything has been great. I decided to add Pi Hole to block ads network wide and used this ...
1
vote
1answer
31 views

Is there a way to find a script/program that already uses some of the GPIO pins?

It seems that GPIO 5 (pin 29) is used by another process: when starting my script I get "...channel already in use..." warning. Oscilloscope confirms that, because after a reboot, the pin is ...
0
votes
1answer
188 views

Wrongly junctioned GPIO 1 and GPIO 2

I wanted to connect an fan to GPIO 1 and GPIO 6 and what happens is that accidentally GPIO 1 & 2 were junctioned. I saw an light only and from that moment is not starting. Anyone has any ide how ...
1
vote
0answers
16 views

Why do fbedev OGLES Draw Calls takes 30+us each?

When operating with the framebuffer OpenGL Drivers on my HTC Vive, performance is incredibly good on my Raspberry Pi 3B+ EXCEPT that every single draw call takes anywhere from 30-50us, regardless of ...
1
vote
1answer
459 views

OpenVPN on Raspbery Pi stopped working (no tun0)

I've been using a Raspberry Pi 3B (running Raspbian) with OpenVPN connected to a Portuguese IPVanish server for about a month now and everything has been great. In fact I've been amazed at the speeds ...
0
votes
1answer
320 views

Raspberry Pi 3B+ with a 2.5 hdd is the power always on?

Background I do not own a Raspberry Pi yet so I could not test this but I plan to get a 40 watt 5 port USB charging hub and have that power the Pi and a 2.5 hard drive (HDD); yes in this scenario 3 ...
0
votes
0answers
23 views

Is it possible to create Virtual Raspbeery pi? [duplicate]

I mostly code on my PC and the run things on RPI. Again for small changes i have to go back to my PC change and upload and run. Is there a possibility for creating a virtual environment on my local eg ...
1
vote
1answer
434 views

Python Script with Systemctl not working only on Stretch

I've been using systemctl to manage multiple python scripts on raspberry pi 3b running jessie for a while. I recently got a rpi 3b+ and installed the lates Stretch on it. Set up the exact same way as ...
0
votes
0answers
147 views

Chromium --no-sandbox error

hello there I also have a code in python like this webbrowser.get("chromium-browser").open("https://google.com") what will happen that the chrome will say that need to re-run the chrome with --no-...
1
vote
0answers
811 views

Slow Refresh Rate on WaveShare 3.5" LCD (B) on RPi 3 B+

I've flashed StickyFingers-Kali-Pi-armhf-180607 to my Raspberry Pi 3 B+ with Waveshare 3.5" LCD (B). I update and configure the unit for my specific screen using the guide's instructions, entering the ...
1
vote
2answers
79 views

Rpi3 log file opened and closed with python but corrupted on power loss - albeit file was closed

I have to ensure that every minute I open, write, and close a log file. It must be closed as we trigger power loss randomly on the Rpi3. I known it is bad and I also know that you want to use ...
1
vote
1answer
594 views

RPi 3 B+ under voltage with Retropie

I recently acquired a brand new RPi Model 3 B+ and decided to try and install Retropie (v4.4) on it. I managed it to boot properly and I got a PS3 controller to work via USB. The problem is that I ...
1
vote
4answers
483 views

Connecting RPi to 2 different networks

I'm pretty new to Raspberry and I searched the net for a while now trying to find a good and simple answer to this question. Ok, so I have a network that is connected to the internet. I want to start ...
2
votes
2answers
135 views

128GB in Rpi3b+?

I’m thinking about getting a Samsung 128GB microsd as they’re cheap in Amazon and I assume not fake/shanzai. But can the Rpi3b+ use this? Also it is speed 10 and U3 rated because there’s no longer ...
0
votes
0answers
177 views

removing splash screen in noobs Rpi3

I have a Rpi3 board with Debian installed using NOOBS. I want to hide booting process and show customised image or GIF file while booting and want to launch my GUI at start. I am able to remove boot ...
1
vote
1answer
74 views

Power LED blinks at first boot, but fine during second boot

I have a Raspberry Pi 3 Model B+. When I turn it on, it works fine but the red PWR LED keeps blinking. Everything else works fine, with no issues, but when I power it off and turn it on again, then it ...
0
votes
0answers
95 views

Chromium and ALSA route problem

I have set up a virtual device in asoundrc which works in Audacity but when I open it using the Chromium --alsa-input-device flag I get the following error: Rate doesn't match (requested 48000Hz, get ...
2
votes
1answer
2k views

Where is the Polyfuse of Raspberry Pi3?

I wan to test the polyfuse of the Raspberry pi3 B+ I try to find where it is but it said in the search result locate the F3 but there is no F3 in the board written anyone can help?
1
vote
1answer
1k views

How to make xrdp work with Stretch

On Jessie, with the Rpi3B, it is simple to enable xrdp: sudo apt-get update sudo apt-get install xrdp badda bing. But with the new Rpi3B+ which requires Stretch, it has a problem. It will still ...
0
votes
2answers
54 views

Is there a way to control the power output from raspberry pi3?

I'm new to electronics and I'm thinking of building a small racing car. I have this toy car that has a DC motor and a servo motor to control the direction of the car. My plan is to write some software ...
0
votes
1answer
120 views

How to get a power output from raspberry Pi 3 B+

I'm pretty new to these electronics so i'm trying to figure out if I could take a 5V power output from the Pi3 B+. I'm such a noob that I can't figure where the GND and a GPIO with a 5V could be?