Questions tagged [pi-3b+]

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

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1answer
15 views

GPIO pins lose voltage when connected

I am still a beginner in raspberry pi world. I have a 3 B+ and a small water pump that can work with 3V to 12V, and a multimeter that I use to measure voltage. First when I measure voltage between ...
1
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2answers
339 views

Can't blink a LED using SPI interface on Raspberry Pi v3

As a part of my PoC project, I'm using single 5050 LED made by Adafruit. I wired it like this (LED - RPi): DI (Data Input) - SPI0 MOSI CI (Clock Input) - SPI0 SCLK GND (Ground) - GND VCC (5V) - 5V ...
3
votes
1answer
264 views

Keyboard and mouse don't work in GUI

I've tried to include as much information as possible, but if it isn't relevant I will remove it. I purchased a Raspberry Pi 4 months ago, and I've been using it to run some CRON jobs. I have a ...
1
vote
1answer
438 views

Raspberry Pi MIDI Looper

I would like to write a script that allows MIDI data to be recorded, then sent back out in a loop similar to how a drum machine works. Think drum machine without the audio data. Only MIDI data. I'm ...
0
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0answers
21 views

OpenCV2 ---> OpenCV4

I have been working on a project from github, https://github.com/twilio/wireless-security-camera, that utilizes OpenCV. Now I haven't played much with OpenCV so this is trial and error on my part. ...
0
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1answer
225 views

How can I play a .mkv video with subtitles on the raspberry pi 3b?

How can I play a .mkv video with subtitles on the raspberry pi 3b? using osmc or anything else. Also Can I add or use external fonts? I am new to this section so excuse me.
1
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1answer
31 views

Auto run python program upon boot up of raspberry pi

I have done up a real time GPS python program with raspberry pi3b+ and Adafruit GPS module, the program can run manually when connected to monitor. I would like to auto run it once the raspberry pi ...
0
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1answer
64 views

Windows 10 on Raspberry Pi 4?

The RPi 4 B with 4 GB of RAM has been released quite a while ago and out of curiosity I was thinking about if it could run Windows 10. There is a video about the pertaining topic but Windows 10 seems ...
0
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0answers
12 views

SIM900A with Raspberry Pi 3 Weird Error and Behaviour

I am working on integrating Sim900a on Rpi3B. As usual connecting to TX->Rx, Rx->Tx (GPIO14, GPIO15 in Rpi) - following diagram from this link: How do I connect GSM SIM 900A to a Raspberry Pi 3? When ...
1
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1answer
1k 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, ...
-1
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0answers
11 views

looking for preconfigured 2player arcade with trackball

im looking to find if anyone built a 2 player gaming arcade w usb encoders and an additional usb trackball for pi that has the joysticks/trackball working. im either looking for a working image, ...
0
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0answers
32 views

ValueError: Could not find a format to read the specified file in mode 'i'

I am trying to run this code from here on RaspberryPi 3 B+: https://www.datacamp.com/community/tutorials/tensorflow-tutorial For a reason I cannot understand it throws this error: "Could not find ...
8
votes
1answer
8k 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-...
1
vote
1answer
65 views

Configure Static IP For bridge connection

I am working on Raspberry pi 3B+ (Having Ethernet and wlan both). Currently i am trying to create a bridge connection between my Ethernet port and tap which i am using for other purpose. Below ...
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0answers
14 views

Still cannot mount Synology shared folders [closed]

I have looked through this forum and nothing works. Most of it is new to me, but I figure most things out. I added NFS permissions, enabled privileged ports (over 1024), but I still get the message: ...
2
votes
2answers
36 views

Unable to use Chromium browser

I have a Raspberry Pi 3 B+ with Raspbian installed. I use it headlessly with Remote Desktop Connection with Windows 10. After I log on to the Pi, my home screen shows up. If I run the Chromium browser ...
0
votes
1answer
12 views

Unable to expand SD Card for RT-Linux Image created using Yocto

I am creating a minimal image for my Raspberry Pi 3b+ with an Preemptive RT Linux Kernel using Yocto Project's warrior branch. I was able to create a base image for the same (bitbake -k core-image-...
0
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1answer
29 views

Consistent filesystem corrruption

It seems that recently my SSD began to get corrupted almost every time I shut my Pi 3B+ down, and on boot I get: [ 4.503731] sda: sda1 sda2 [ 4.511049] sd 0:0:0:0: [sda] Attached SCSI disk [ ...
4
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2answers
2k views

Switch between wifi client and access point without reboot

I want my Raspberry Pi to be used as access point or as client connected to my internet router but not both together. So I want to switch between these two modes with one simple command without ...
2
votes
1answer
283 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
14 views

ALSA lib bluealsa-pcm.c:219:(io_thread) PCM FIFO write error: Broken pipe aplay: pcm_write:2053: write error: No such device

Bluetooth Error Device: Rpi 2 2014 Model B Ver 1.1 also Rpi 3 Bluetooth Headset JBL Everest Elite 750NC Bluetooth Adapter Panda Wireless PBU20 command line: aplay -D bluealsa:DEV=C8:DF:84:20:...
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0answers
30 views

Rainbow screen issue with raspberry pi 3 model b+

I am using Raspberry pi 3 Model B+ and using Ubuntu Mate operating system not Raspbian Os I am also using raspberry pi 3 supportable original charger of 5.1V 2.5A. still i am facing the same rainbow ...
1
vote
1answer
541 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 ...
0
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0answers
20 views

Is there anyway to make Logitech Flow (move between individual pc's) work on a Raspberry Pi?

Basically, I just bought this mid-range mouse that I am trying to take full-advantage of. One of the many features is "Logitech Flow". Essentially you can hook multiple computers together and move the ...
0
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0answers
24 views

Socket communication between Pi and Arduino

I'm a beginner with Raspi and I would appreciate your advice and input on a project I'm working on. Hardware: Raspi 3B+ with latest Rasbian, Arduino MKR 1000 I have a bunch of sensors attached to ...
2
votes
3answers
49 views

Ribbon Cable for bridging the headers of Raspberry pi and Custom hats

Hello I am in need of a ribbon cable for my custom pi hats. The problem with ordinary ribbon cables such as this I could not make it to align the rows of the pins will get swapped because of the ...
4
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2answers
2k views

Is it safe to power my external hard drive with a Raspberry Pi 3 B+ USB port?

I have a external hard drive that has written on it "5V ⎓ 1A". Both power and data transfer happen over a single USB. I have been reading about powering this hard drive with the USB ports on my ...
0
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0answers
21 views

Unable to SSH into RPi using Public/Private keys “Server refused our key”

I am using Windows 10 and Raspbian Buster on a Raspberry Pi 3B+, and am unable to use keys to login to the Pi. I get the error "Server refused our key" every time. I have created public and private ...
0
votes
1answer
48 views

Signal generator connected to raspberry pi via USB

Ido connect to the device from my raspberry pi and able to send commands. The power consumption of the SG is 2.5 W. That means that the current of usb port should be 2.5 / 5 = 500 mA. >>> ...
1
vote
1answer
310 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+,...
0
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4answers
3k views

Failed to execute child process “xterm”

I updated my Pi yesterday. Afterwards my own sh program, which is for switching audio-outputs stopped starting with the error message Failed to execute child process "xterm". The programm uses the #!/...
1
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5answers
3k views

Raspberry Pi 3 B+ Low voltage warning

I have 10+ various older model RPis running already. I bought 2 new RPi 3 B+ starter packs (with original power supply!). When I insert an existing SD card it shows a low voltage warning in the top ...
1
vote
2answers
2k views

Unable to configure Raspberry pi 3 B+ as a 5Ghz AP using 802.11ac in India

I have been trying to configure my Raspberry pi 3 B+ as a 5Ghz access point but I'm unable to do so. Here is my hostapd config: country_code=IN ieee80211d=1 ieee80211h=1 interface=wlan0 driver=...
2
votes
1answer
607 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 ...
0
votes
1answer
614 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
405 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
5answers
6k views

WiFi won't start

I have a new Pi 3 B+ and am running openplotter version of NOOBS. When I boot, WiFi doesn't show on the top right of the home screen. When I run raspi-config for Network Options and WiFi, I get '...
-1
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0answers
42 views

Serial reception through uart [duplicate]

I want to do real time voice communication through uart of raspberry pi 3b.Currently I am able to transmit data while recording it.But at receiver side I am not able to receive it properly.The code I ...
1
vote
0answers
52 views

LXDE autostart takes too long to start chromium-browser

I am trying to start chromium-browser via ~/.config/LXDE-pi/autostart. The command is as follows: @chromium-browser localhost/scada --kiosk --incognito The problem I am having is that it takes ...
0
votes
0answers
44 views

Can't connect waveshare hat to raspberry pi 3b via python3 to obtain gps

I'm stuck with my waveshare hat and it would be cool if you could help me. I would like to obtain the gps location. I'm a python beginner and tried to use some already written code from this websites:...
0
votes
1answer
4k 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-...
2
votes
1answer
72 views

What does the raspberry pi “Run…” thing do?

I bought a raspberry pi a few months ago and i'm curious what the "Run..." thingy does.(see image) I was able, to write in some commands but i'm not sure, what it does with it... Can someone please ...
1
vote
1answer
824 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. ...
3
votes
2answers
2k views

Raspbian - wpa_supplicant.conf Country meaning

I'm a bit confused of the country property in wpa_supplicant.conf. In official Raspberry Wifi Documentation it says this: On the Raspberry Pi 3 Model B+, you will also need to set the country ...
0
votes
1answer
35 views

LXDE crashes randomly

I've been using this Pi for a while now, and only recently this problem begins to happen: I'm doing some programming (Geany, lxterminal, pcmanfm are running) and then suddenly the icons in lxpanel ...
2
votes
2answers
835 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/...
0
votes
2answers
267 views

Can't SSH Into Headless Raspberry Pi 3 B+

I have a Raspberry Pi 3 B+ and I'm trying to use it to run some servos. I'm brand new to the hardware and networking part of this setup - I only have experience with programming, but not this part. I ...
1
vote
0answers
14 views

Starting transmission causes drive to unmount

I have a drive with media files. It's mounted on /media/pi/media. The drive unmounts whenever I start the torrent client transmission. Why? Details I have previously run sudo chown -R pi:pi /media/...
3
votes
1answer
471 views

Which Linux driver does control the PMIC of the Raspberry Pi 3B+?

The Raspberry Pi 3B+ contains the MaxLinear (previously Exar) MxL7704 power management chip (PMIC) with I2C interface for "on-line" reconfiguration of power sequencing and internal voltages.1 This is ...
-1
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0answers
24 views

Cant read RFID card consistently from EM18 + Raspberrypi

I connected EM18 rfid reader to RaspberryPi. Cards get read sometimes and sometimes not. In other words it is not read in a single attempt every time. Though after a successful read output is correct ...