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Questions tagged [pi-3b+]

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

2
votes
1answer
347 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
70 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 ...
0
votes
0answers
280 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
votes
0answers
15 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')
2
votes
2answers
54 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?
1
vote
2answers
32 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 ...
0
votes
1answer
43 views

How do I use the send_message method on a Raspberry Pi 3?

When I run this code: import datetime import smtplib import re import email from email.mime.text import MIMEText import email.message from robobrowser import RoboBrowser from bs4 import BeautifulSoup ...
0
votes
1answer
33 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 ...
0
votes
2answers
46 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
25 views

Get input from bluetooth with Node js

I want to use a raspberry pi 3B+ with node js to create a simple number counter that will be incremented by pressing a bluetooth button. I need a suggestion on the button to buy, and if it is possible ...
0
votes
1answer
31 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 ...
0
votes
2answers
29 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 ...
2
votes
0answers
42 views

webcam issue after UV4L installation

I am trying to make a usb webcam work on my rpi but it drives my nuts. I have Rpi 3 model B+ Also I've downloaded the newest raspbian image (stretch with desktop and recommended software). It's ...
1
vote
1answer
64 views

Raspberry Pi 3b+ do not detect DS18b20 on 1Wire

Problem: The new raspbian kernel does not detect the DS18b20 sensor over the 1wire bus. This is due to the Device Tree that was added to Kernel 3.18.8 What hardware used: Raspberry Pi 3b+ Kernel: 4....
0
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0answers
20 views

Raspberry pi 3 keep asking for password

Why my pi keeps asking for password in the GUI.? when i type the wrong password it will tell me its incorrect, but when i type the correct password it asks for password again!! So i switched out of ...
1
vote
3answers
53 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
63 views

How to toggle button on and off with gpiozero?

I can't seem to find a solution of doing this using gpiozero. I've done it using rpi.gpio with add_event_detect and call back to change state but I was under the impression gpiozero is much simpler. ...
0
votes
1answer
55 views

use raspberry 3+ and PN532 Itead with i2c

nfc-scan-device uses libnfc 1.7.1 1 NFC device found: error libnfc.bus.i2c error : worte only -1bytes (10 expected) error libnfc.driver.pn532_i2c Unable to transmit data(TX) pn53x check_communication:...
2
votes
1answer
32 views

Pi bluetooth audio: can't get LMS squeezelite audio to BT

I have a Pi 3B+ running Raspbian Stretch. I want to send audio via the built-in BT to a Logitech Audio Adapter which feeds my stereo. I can do this from the command line via either aplay or mpg123 so ...
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
46 views

Raspberry Pi 3 B+ attaching additional HDD when booted from USB Flash

So I installed Raspbian Stretch Lite on a USB Flash key and can successfully boot from it. Now I wanted to attach and auto mount another USB HDD Seagate of 1TB to it. Manually I can mount this 1TB ...
0
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0answers
22 views

The application stalls when the service is loaded at startup

I have RPI3B + with Raspian Stretch on which I run the QT application. When I create my service to launch the application after starting the rpi i have problems.. The application starts and then the ...
2
votes
1answer
110 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 ...
1
vote
2answers
39 views

Help with bridge TCP/IP through RPi 3B+

Need help setting up comm between an Integ Jnior and our primary domain. Here's what I've done so far. I've taken RPi 3 B+ and set it up as a DHCP server broadcasting 10.1.1.1. Wlan0 on the Pi has ...
0
votes
0answers
31 views

Strange Issues with Raspberry Pi Model 3 B+

I'm experiencing very strange issues with my recently acquired pi. It will only boot some of the time. I installed NOOBS, and through that Libreelec, which worked fine. Tried to install berry boot, ...
1
vote
1answer
26 views

RFID RC522 reader pigpio check error

I'm trying to connect Raspberry PI 3 B+ with RFID-RC522 (following this guide https://www.raspberrypi-spy.co.uk/2018/02/rc522-rfid-tag-read-raspberry-pi/). But I got stuck at the hardware ...
1
vote
0answers
28 views

Sending command over one I2C bus sometimes triggers a device on another bus

My setup: Raspberry Pi 3B+, 2 BigRelays connected to it over different I2C busses (1hw, 1sw). I had hoped to daisy-chain the two boards over the hardware I2C pins, though as the boards have the same ...
2
votes
1answer
51 views

Got compilation error when installing plyvel

I got an error while trying to install plyvel on my raspberry (pi 3 B+) with sudo pip install plyvel : Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple Collecting plyvel ...
0
votes
2answers
32 views

Raspberry Pi Setup Question

is there any way to set up a Raspberry Pi 3 Model B+ wirelessly (headless) without editing the microSD card contents to enable SSH?
1
vote
1answer
53 views

how to communicate with navio2, raspberry pi 3 to ard-ltc1867 using i2c protocol to read analog data

I am trying to read analog data from a potentiometer using I2C connection between the pi and adc board using python code. Below is my code so far: import time import smbus bus = smbus.SMBus(1) bus....
1
vote
0answers
58 views

Raspberry Pi 3 B+ not reading time from the GPS

I have a Raspberry Pi 3 B+ with Adafruit Ultimate GPS HAT (https://www.adafruit.com/product/2324) with external antenna. I configured the device to act as NTP server but the NTP server won't work (No ...
0
votes
1answer
53 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.
2
votes
2answers
95 views

How to check if SPI is enabled and functional on Raspi 3b+?

I have run raspi-config and enabled SPI and also verified that /boot/config.txt contains the line: dtparam=spi=on However, when I run lsmod | grep spi I get the following: spidev ...
0
votes
0answers
26 views

raspberry pi hangs after not using for 1-2 days

raspberry pi hangs after not using for 1-2 days, then we have to forcibly reboot or restart the device. I have connected hardware of magnetic door lock, relay, RFID and Dual smps to the raspberry pi. ...
-1
votes
1answer
37 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
0answers
71 views

Second i2c bus on RPi 3?

Were you ever successful big-banging a second i2c bus on the RPi 3? I've seen different sites showing a 'dtoverlay', but it doesn't seem to work for me. I see a result of a "i2cdetect -y 3" but very ...
3
votes
1answer
56 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
0answers
43 views

Display drivers for RaspberryPi3B+

I am trying to get a 3.5 inch RPi Display working on my raspberry pi. I have written my sd card with raspbian and the pi works well (red LCD glows all the time , and greed LCD flickers (fades on and ...
0
votes
0answers
56 views

Raspberry pi port forwarding issue

I have a raspberrypi which is raspbian installed.I am connecting rpi with ssh via my home wifi.Then Installed 3proxy,usb modeswitch and wvdial.And my 4g wifi dongle is connected and up.This my config: ...
2
votes
1answer
36 views

Normal Work of RPi 3B+

I am newbie and i want to understand watching only on indicators, is Rpi 3 B+ work quite well? I mean, are green and red lights should glowing both permanently together or red light can glows ...
1
vote
2answers
136 views

Raspberry Pi 3 B+ to Samsung Galaxy S7 USB Tethering Inactive eth1 Interface

This is a follow up to Static IP Address for USB Screencast in Raspbian Stretch. Concisely, I want to use USB Tethering to connect VNC on my smartphone to the RPi for use as a remote desktop-type ...
0
votes
1answer
166 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
0answers
237 views

Install Windows 10 IoT on 3B+?

I bought a 3B+ a few months back and have been experimenting with it with Raspbian, but I recently discovered it is possible to run Windows 10 IoT on it and since I am mainly a C# developer, I want ...
0
votes
0answers
85 views

proxy is working locally,But not with remote host

I have install 3proxy in rapberrypi.Raspberrypi is connected with 4g dongle.My proxy is working fine in locally,but I can not connect it to remote host(Vps).It shows "Error: I could not see your ...
1
vote
0answers
131 views

Autostarting Chromium (Edit: How to connect to the local Session on Pi?)

I just want to auto start Chromium on boot and I followed Method 1 over at this site. The same Method is used in the Top Answer here. All in all it is about adding the command for starting the ...
1
vote
0answers
15 views

How do I stop my HDMI going off

for some reason, after a while the screen connected to my RPI 3B+ goes off, and stays off, until I unplug it and plug it back in again. I only run in console mode, and running alt+F[1-4] does nothing,...
0
votes
0answers
34 views

HDMI port is not working

I have been using an RPI3B+ for around 2 months . I used it remotely most of the time. Recently, when I was trying connect it with a monitor via HDMI to VGA converter , it didn't work at all. I ...
0
votes
1answer
38 views

Pi HAT Waveform Generator for Raspberry Pi 3B+

I am looking for a Pi HAT capable of generating 300 kHz sine waves at about 8 samples per waveform with my Raspberry Pi 3B+. Sampling rate required is around 2.5 MSps. Output voltage ideally needs to ...
1
vote
1answer
49 views

Unable to exceed 100Mbps over 3B+ Ethernet link

I have an rpi 3B+ running Raspbian connected to a gigabit switch, and a Debian machine on the same switch. Both systems negotiated a gigabit link to the switch: $ sudo mii-tool eth0 eth0: negotiated ...
0
votes
2answers
44 views

Execute single graphical programs remotely using X Window

I have a Raspberry Pi with Raspbian Stretch Lite. I want do execute only some single graphical programs remotely and do not want to install a complete graphical user interface with a Desktop program ...