Questions tagged [pi-3b+]

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

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1answer
207 views

Installing Cyberduck CLI on Raspberry Pi 3b+ with Raspbian

I am attempting to install Cyberduck CLI on a Raspberry Pi 3b+ that has the default Raspian. I am aware that there is a UI available, however for the purposes of writing a script to automate mass ...
1
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1answer
88 views

Bridge WiFi with ethernet on RPi 3B+ without NAT

I would like to bridge eth0 and wlan0 on Raspberry Pi. The connections are as follows: ________________________________________ | RPi ...
1
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2answers
81 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 ...
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1answer
218 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 ...
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1answer
255 views

Can't get the msodbcsql package for Debian 10

I am currently attempting to set up my 3b+ (which runs on Raspbian Buster) to work with a database I have set up on Azure. I already downloaded the pyodbc package, but I can't seem to get the ...
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1answer
481 views

Can I modify an RPi2 image to boot on an RPi3 B+?

I have a Raspberry Pi 3 B+, and none of the operating systems that usually work on the RPi 3 will boot. I've done a small bit of research, and I think this has something to do with an outdated ...
1
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1answer
122 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 ...
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3answers
124 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 ...
1
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3answers
278 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 ...
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4answers
1k 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/...
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1answer
110 views

How to convert a Layer 3 VPN to a Layer 2 VPN?

I have been back and forth with some users here about creating a VPN using my Raspberry Pi 3 as a hotspot (OpenVPN client) but being able to bridge it to my other Rasperry Pi 3 at home (OpenVPN server)...
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1answer
186 views

RPi is not finding packages libapache-mod-php5 and php5

It is not finding these packages. Does anybody know why? It is not finding the installation candidate. Here is the result of sudo apt-get install libapache2-mod-php5 php5: pi@raspberrypi3:~ $ ...
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1answer
360 views

Why the message “raspberrypi dhclient: send_packet: Network is unreachable”?

I am having a raspberry pi jessie OS. I configured it as ethernet to ethernet router. eth0 is connected to a modem and eth1 is actually a usb to eth converter. Rpi get internet through the eth0 ...
1
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1answer
48 views

PINN no internet connection after hard reset

I have recently installed and configured a new server on my raspberry pi 3B. I used PINN as my bootloader and installed some OSes (Fedberry - an Raspberry Fedora implementation - being the main one). ...
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2answers
90 views

Raspberry pi 3 model B does not boot from USB

I've got a Raspberry pi 3 model B+, but unfortunately the SD card slot has broken, so I googled about booting RPI3 from USB and I realized it's possible but all tutorial that I've read mentioned that ...
3
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2answers
49 views

Ambient operating temperature

Will the raspberry pi be able to operate with an ambient temperature of between 50c to 80c? The model we are using is the raspberry pi 3 b+.
1
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1answer
59 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 ...
3
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1answer
117 views

How to control Odrive with Raspberry pi? [closed]

How to interface Odrive with RPi? didn't find much information on the internet so want to know who has done something like this before. trying to use this code:- import odrive import time import ...
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1answer
373 views

RPi4B PCA9685 PWM Controlling Servo Problem

I have this RPi3 that I am running a bunch codes on it. It is communicating with a server and also I have python supervisor running on it. Now I am trying to set up the same system on RPi4. For some ...
7
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5answers
1k views

RaspberryPi 3 B+: RPi restart whenever I tried to run two webcams simultaneously

I have a very strange problem with my RPi. Whenever I tried to run two webcams simultaneously, RPi restarts itself. A few months back I can run two webcams simultaneously without such a problem (same ...
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0answers
21 views

Insert real-time sensor data without using a csv file and display real-time accuracy

Hello guys im having a problem about inserting real-time data directly without using a csv file and dislay real-time accuracy of the data Here's the Program : import os import time from numpy import ...
6
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4answers
2k views

Performance differences running Raspbian from USB flash drive versus SD card

I want to run Raspbian from a USB flash drive on a Raspberry Pi 3B+. What would be the performance difference in doing so, as compared to running Raspbian from an SD card?
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0answers
358 views

VLC cannot read mjpeg video produced over USB webcam

I'm trying to use vlc to transcode a mjpeg stream from a USB camera connected to a raspberry pi 3B+, however VLC seems unable to read the mjpeg video stream from the camera, I already checked the v4l2-...
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2answers
360 views

Why is WiringiPi unable to find hardware revision?

I installed Ubuntu 18.04 on a Raspberry Pi 3 B+ and WiringPi following the instructions presented here. The problem is that when calling the GPIO utility, I get the following error: It seems that the ...
2
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1answer
512 views

Rpi3B+ Buster WiFi 5GHz Connection Problem

Raspbian 10 buster here. I tried to connect 5GHz WiFi but it didn't ever see the hotspot. I changed WiFi county to US and it worked. Now Rpi detects the hotspot and can connect to it but connection ...
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1answer
624 views

Raspberry Pi 3 4G Dongle Internet to eth0

I have followed the following tutorial to setup Hotspot on RPi with a 4G Dongle. For 4G Modem i use Sakis 3g Scripts. It works fine. But when I try to connect my PC to the ethernet port of the RPi ...
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1answer
129 views

RPI3B+ Chromium Freeze - RAM Swap

I have some Raspberry pi's that I want to use it as a Browser Kiosk. When I use more than one tab with chromium the pi completely freeze I need to reboot it after this because the lack of ram, if I ...
1
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1answer
213 views

Run blender 2.8 headless on pi?

I am trying to run blender 2.8 headless on raspberry pi 3b+ running raspbian. I have downloaded the Linux version from the blender website. But whenever I open the executable called “blender” in ...
3
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1answer
289 views

Running a persistent node js server on boot and keeping the command line open

I know there are a lot of answers to this question but none have worked for me and I've been at it for something like six hours... Most of the answers also look like they are years out of date. I am ...
48
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4answers
227k views

How do I make serial work on the Raspberry Pi3 (or later model)

My Pi3 serial console produces rubbish and fails to respond to the keyboard.
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0answers
34 views

Connecting circuit with raspberry pi

I have a dedicated circuit that has a proximity sensor and every time it detects an object the motor is rotated. I want to connect my Raspberry Pi to it and control the motor as well as the proximity ...
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3answers
131 views

Raspberry Pi Security Issues: SSH ATTACK? Case Study

This might be a long post so please bear with me. This is a scenario that took place a year back when I had very almost no knowledge of raspberry pi. Right now I am trying to learn some stuff about ...
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0answers
38 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
42 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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1answer
302 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
48 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
346 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
190 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 ...
13
votes
1answer
18k 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-...
3
votes
1answer
79 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 ...
4
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2answers
3k 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 ...
0
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0answers
60 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:...
0
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0answers
39 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 ...
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0answers
37 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
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3answers
130 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
3k 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
41 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
55 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. >>> ...
0
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4answers
5k 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 #!/...
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5answers
4k 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 ...

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