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Questions tagged [pi-3b+]

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

1
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1answer
634 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, ...
0
votes
2answers
27 views

Making the VCNL4040 proximity sensor work on Python

I purchased the SparkX module with the VCNL4040 proximity sensor you can see here: to use this sensor via Python, but on the repo for the Adafruit library it seems like the library is not available ...
0
votes
0answers
17 views

Chat Application in Raspberry Pi

I'm a beginner to Raspberry Pi. I have a Raspberry Pi 3. Is there a tutorial on creating one, preferably with Python?
-1
votes
1answer
31 views

Control function for a DC servomotor angle

I am using a Raspberry Pi 3B+ with servomotor shields to control multiple servomotors at once with Python. I know that the travel angle of a servomotor is controlled using PWM. So there exists a ...
1
vote
1answer
40 views

Connecting 50 Microphones on a raspberry pi

I want to create a microphone array like in the image below... How can I do it for a raspberry device ? I want the input to be stored for a few seconds on the sd card, and not to have a live stream, ...
1
vote
1answer
259 views

How do i remove i386 packages from my Pi?

I have a Pi 3 Model B running Raspbian Stretch. When I run sudo apt-get update, I see my Pi downloading i386 packages along with the armhf packages, and when it's done fetching all the packages it ...
2
votes
2answers
32 views

HELP, undo code that was for another touch LCD screen. Now it won't boot all the way

How can I undo the sudo code that was run with the wrong type of LCD "...-show" The system boots to a certain point and then just does not continue. Ive tried mounting the micro sd and see if I can ...
2
votes
1answer
206 views

Why can I no longer find gnome-mahjongg with apt?

I have installed the new release of Stretch for the Pi 3 B+. Apt goes to the Inrelease on the mirror and it does not seem to have the games? I like the Gnome-mahjongg package, but apt-cache search ...
0
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0answers
32 views

Vehicle Number Plate Recognition using Raspberry pi model 3 b (python opencv/tensorflow)

I am working on my Final year Project. I need to create a licence plate recognition system on a raspberry pi (if note then PC Intel i7 processor) using python. So, I searching for OpenCV or ...
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0answers
24 views

how to connect my raspberry pi to pc which has no hdmi port but a 5 usb port

I am not to find out how to connect rasberry pi to my pc which has no HDMI port Any suggestions please . Thanks
0
votes
1answer
41 views

Raspberry Pi wont boot from USB or SD card [duplicate]

Using the same exact SD Card and USB stick with the newest version of Raspbian I have one Raspberry pi 3B+ that will only Flash 4 times when trying to boot and no rainbow screen, where as with another ...
1
vote
1answer
71 views

raspberry pi with 4x20 lcd and pi4j; display something

Ive connected the lcd to the pi, setup raspbian, and powered the device (3B+) on. The display displays 4 lines, line 1 and 3 are sort of darked out, what seems to be indicating working hardware. I ...
1
vote
1answer
337 views

Wifi conflicts with bluetooth: impossible to use BT mouse + keyboard with wifi turned on

2 years later, I still have the same issue. In Raspbian, using the built-in Bluetooth controller: Connect a BT mouse Connect a BT keyboard Turn on the built-in Wifi and connect to a network ...
1
vote
1answer
63 views

Problem: Tor Router with a Wifi to Ethernet Bridge

I configured my Raspberry Pi 3 Model B to route all traffic from wlan0 to eth0. This works for me and I can connect my RPI to a Wifi-Network, connect my computer with the RPI through ethernet and I ...
6
votes
2answers
7k views

Access point as WiFi repeater, optional with bridge

I need a wireless access point that is bridged with the wired ethernet port and that is connected to another wifi internet router with a client connection as uplink. All devices connected to the RasPi ...
0
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0answers
45 views

Portable Raspberry for Recalbox [closed]

Today is the day where the beta of Recalbox for 3b+ is out. For the moment, it's working. I want to know how to make my RBerry portable, so that I can play with it everywhere. I'm new to all that ...
0
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0answers
20 views

ReSpeaker 2mic drivers can't be installed on Pi 3b

I’m trying to set up a ReSpeaker 2mic Pi HAT. Emphasis on trying. According to the instructions, i’m supposed to do this: sudo apt-get update sudo apt-get upgrade git clone https://github.com/...
1
vote
0answers
23 views

Bash script running fine in terminal window, but not when added to autostart

I use a script to start the google voice assistant on my rpi. This script runs fine when I run it from a terminal window, but when I try to run it via the LXDE autostartup nothing happens. It used to ...
0
votes
1answer
23 views

Xbee-API python

I'm trying to use my Raspberry Pi B+ as a gateway so others sensors, also with xbee, can send data and get a few kind of commands by it. The problem is that i can only read the data with the simplest ...
1
vote
0answers
12 views

Pi-topCEED / Bluetooth áudio question

I’ve a Raspberry Pi 3B+ along with a Pi-topCeed and pi-top SPEAKER ver 2. Using Raspbian Stretch not pi-top OS. It works ok but for better quality I want to try using a Bluetooth speaker to play ...
0
votes
1answer
27 views

Using cgroup module in iptables cause “no chain by that name” error message

Trying to use cgroup module in iptables rule cause "No chain/target/match by that name" message. I'm using: Linux raspberrypi 4.19.42-v7+ #1219 SMP Tue May 14 21:20:58 BST 2019 armv7l GNU/Linux ...
0
votes
1answer
245 views

Can't get past rainbow screen with Kali install process

I am new (to all of this, Pis, Linux, etc). This is my first real attempt at working directly with hardware as well. I needed a new project so I got a Canakit started set which came with a Raspi 3B+,...
2
votes
1answer
77 views

PoE hat fan activation on OS other than Raspbian

I'm aware that the only officially supported OS that the PoE hat works on is Raspbian. I can confirm that both my hats work, and that the fan does switch on and off if I have Raspbian installed on the ...
7
votes
1answer
310 views

Is it possible to simultaneously use the dual band(2.4 Ghz and 5 Ghz) of Raspberry pi 3 B+ to create an AP?

Is it possible to simultaneously create a single AP on raspberry pi 3 b+ which uses both 2.4 Ghz and 5 Ghz bands so that users with low end devices can connect to the 2.4 Ghz band and users with ...
2
votes
1answer
128 views

How to setup the Raspberry Pi 3 onboard WiFi for Ubuntu Server 18.04 with netplan?

How to setup of Raspberry Pi 3 B+ onboard WiFi for Ubuntu Server 18.04? In particular, with netplan? This is a clean install of the Ubuntu Server 18.04 image for Raspberry Pi 3. File: ubuntu-18.04.2-...
0
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0answers
12 views

dgps commands return such as: “bash: cgps: command not found”, apparently because they are not on $PATH

Installed dgps on RPi 3 B, connected Sparkfun f9T RTK GPS board, and received NMEA stream via SSH serial port. So the setup works. However all the dgps commands return command not found. Looking at ...
0
votes
0answers
136 views

Raspberry Pi 3 B+ - Error: Driver 'sdhost-bcm2835 is already registered, aborting. What is that and how to solve it?

I have a Raspberry Pi 3 B+ and a microSD 64GB. I am going trough the boot process following this video. This is what I have: MicroSD card 64Gb (it is working) formated to FAT32 using MiniTool ...
0
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0answers
44 views

Raspberry Pi 3B+ No Boot (Hardware Failure?) [duplicate]

Between two identical out of the box RasPi's 3B+ (same supplier and model), one of them boots flawlessly with SD Card running 2019-04-08-raspbian-stretch but the other refuses too with all the same ...
0
votes
0answers
19 views

Raspberry Pi 3B+ RS Components

Went crazy trying to get my 3B+ setup with the latest version of Raspbian from the website. No matter what I did I could not get the system to boot, and have only a solid red light and a flashing ...
1
vote
1answer
60 views

Is there a way I can boot up an already shut down Raspberry Pi without physically accessing it?

I have a Raspberry Pi 3 B+ which is currently shut down, and not appearing on my network. The Raspberry Pi is running MotionEyeOS. And is powered using power over ethernet. I've tried starting it by ...
2
votes
0answers
218 views

Bare Metal RPI 3B UART not working

I have referred many tutorials to get UART working in bare metal environment on RPI 3. https://github.com/dwelch67/raspberrypi/tree/master/uart05 https://github.com/mrvn/RaspberryPi-baremetal/tree/...
0
votes
1answer
59 views

What's the difference between Raspberry 3B+ and Element14 version?

I've just received a message from an Aliexpress seller, and they told me they are out of 3B+ model stock, but that they could send me a "Element14 version". What is that version? I can't find an ...
0
votes
1answer
97 views

RPI 3 B+ configured as wireless extender (AP + client) troubleshooting

Im trying to configure my RPi 3 B+ as a wireless extender using the internal wifi chip aacting as the client and AP. Ive been following this guide as it seems most suitable for os/model/application ...
1
vote
1answer
529 views

Pi 3 model B+ won't boot

I was using this specific Pi for over a month now without any issues. Today, out of the blue, the screen started flickering. I decided to shut it down. When I replugged it, the green led wasn't ...
1
vote
0answers
25 views

Raspberry Pi Touchscreen Screen Control (Python)

I want to create a script that will turn off my Raspberry Pi Touchscreen if nobody touched the screen in 30 seconds. (In the future I want the option to reset this 30 second timer with other programs -...
1
vote
2answers
2k views

Raspberry Pi 3B+ RTC and Power ON button

I have a RTC DS3231 connected to my Raspberry Pi 3 B+. I connected it using this tutorial https://www.raspberrypi-spy.co.uk/2015/05/adding-a-ds3231-real-time-clock-to-the-raspberry-pi/ and everything ...
0
votes
0answers
11 views

How to solve Raspberrypi 3 b+ stretch os Bluetooth host down error

how to solve his error : in connect _bluetooth.error: (112, 'Host is down') bluetooth.btcommon.BluetoothError: (112, 'Host is down')
1
vote
3answers
38 views

pigpio.error: 'no permission to update GPIO' (again)

I am a beginner in Python and in the Raspberry field. I want to write a code to drive 3 leds with a PWM signal. The three leds must not emit at the same time and I want them to emit pulses trains. In ...
1
vote
1answer
312 views

Trying to run a C# Discord Bot on Raspberry Pi 3 Model B+ with Windows 10 IoT

I have developed, in Visual Studio 2015, a C# Console Application which uses the Discord.Net API. It works great running on my PC, which has Windows 10, however I am looking to run the program 24/7 on ...
0
votes
2answers
528 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
1answer
3k views

Setting up a static IP address in Raspbian Stretch using the “new way” (dhcpcd.conf)

This question is in relation with the following landmark article: How do I set up networking/WiFi/static IP address? I have a raspberry PI3B+ with raspbian stretch lite (2018-10-09-raspbian-stretch-...
0
votes
1answer
21 views

Picam and USB serial comms issue

Are there any known issues with serial comms & the Picam module? When I have a serial channel open (over USB) & write to it whilst viewing the input from a Picam on screen, the view port will ...
2
votes
1answer
2k views

RPI3 Raspbian Stretch regular connection on wlan0 AP on wlan1

I'm trying to make a very simple setup with my RPi. On the on-board standard wlan0 I want to connect to my home network normally, using a wpa_supplicant file this works very well. Now I'm having ...
1
vote
1answer
503 views

Raspberry Pi Internet Issues

On my raspberry Pi 3B, attempting to access the internet for downloads fails. Anything that uses it (chromium, apt-get, etc) does not work, giving errors such as DNS server not found, or just hanging. ...
2
votes
2answers
51 views

Increase number of ttys

I am running Raspbian 9 on my RPi 3 B+ and I have only 6 usable ttys (Ctrl-Alt-F#) while other are blank with blinking cursor. ls /dev lists 64 such ttys. How do I enable/run something on them?
0
votes
2answers
44 views

Need help clarifying my python script to run on Rpi3b+

If it's not obvious, I'm trying to learn python, and am having a go at it. Although, I'm running into some issues. Any help would be appreciated. I'm trying to run this on a Rpi3b+ & with a ...
0
votes
0answers
22 views

Best solution to turn RPi 3B+ into a Bluetooth Speaker [closed]

I am looking to turn my RPi into a Bluetooth speaker. The system itself is already done (hardware wise) and it's working fine but I am looking for a easy software solution so I can stream music via ...
0
votes
1answer
28 views

RPi 3B+ Ethernet crashes TP-Link Archer C9

When I use the ethernet connection on my RPi 3B+ my Archer C9 (TP-Link router) works fine for 20-30 minutes then crashes and reboots indefinitely until the RPi ethernet is disconnected. The RPi and ...
1
vote
2answers
150 views

I can't get WiFi access point (AP) working on my RPi

I want to control my Raspberry Pi 3B+ using VNC via the on-board WiFi. To this end, I am trying to set up a WiFi access point on wlan0. I followed the instructions at https://www.raspberrypi.org/...
1
vote
2answers
23 views

Raspberry Pi and Arduino Due Spi

Is there any way to establish SPI communnication between Raspberry Pi 3B + and Arduino Due. Both only support master mode. I tried to google but mostly answers from 2013 come up. Has there any recent ...