Questions tagged [pi-3b+]

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

242 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
1answer
72 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 ...
3
votes
0answers
70 views

Google assistant on RaspberryPi3

I need help as I am stuck doing a project. I followed the tutorial on google developers website " https://developers.google.com/assistant/sdk/guides/library/python/extend/install-hardware" and got the ...
3
votes
0answers
244 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/...
3
votes
0answers
124 views

Are the camera and display connectors of my 3B+ soldered the wrong way around?

I recently purchased a new 3B+ board and although the board board itself is working fine, I can't get the PiNoir camera to work. The camera works fine on an another 3B board. I tried several tricks on ...
3
votes
0answers
376 views

Accelerated Numpy on Pi 3 B+

I'm looking to do some work with NumPy on my Pi 3 B+, and I'm not sure what the deal is with optimization, blas, etc. I installed libatlas using: sudo apt-get install libatlas-base-dev Following ...
3
votes
1answer
405 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 ...
2
votes
0answers
27 views

Touchscreen calibration: touchscreen does not cover full display

I have purchased an industrial touchscreen monitor that supports Linux through PenMount drivers. The VGA video output (via HDMI adapter) works perfectly, and the USB touchscreen is perfectly ...
2
votes
0answers
21 views

Configure AlexaPi to use bluetooth speaker connected to my Raspberry Pi 3B+

I am trying to clone Alexa on my RaspberryPi 3B+. Following are the links which I am following. https://github.com/alexa-pi/AlexaPi https://github.com/alexa-pi/AlexaPi/wiki/Installation I have done ...
2
votes
0answers
24 views

Dropped wifi packets from Pi Zero W to Pi 3B+

We're trying to build a system where a master Pi 3B+ controls a dozen (or more) Pi Zero W clients - all running the latest raspbian (as of 18:00 EDT today) - in an isolated WiFi island (no ...
2
votes
0answers
41 views

Image rollback using Raspberry Pi Bootloader

I'm using Yocto framework based RPi build and have created My SD card partition as follows, ======================== SD card with 3 parts ======================== | 68MB(bootloader) | 4GB(...
2
votes
0answers
65 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 ...
2
votes
1answer
2k views

AVAHI Daemon doesn't work on RPI

I have installed lighttpd on my RPI 3 : sudo apt-get install lighttpd I have managed to access the web server from /home/pi/www And it works, I can find my Hello World when I entered 192.168.2.31 in ...
2
votes
1answer
2k views

Correct Arch Installation procedure

What is the correct procedure to install Arch on raspberry pi 3 b+?? I've followed the instructions on this page: Arch Wiki substituting ArchLinuxARM-rpi-2-latest.tar.gz with ArchLinuxARM-rpi-3-...
2
votes
0answers
69 views

How can I force the Pi to wake a monitor

This question is not specifically a Pi question, but about how to FORCE the Pi hdmi to wake my monitor from sleep, which seems to be a seems to be specific to the Pi hardware, although it may be a ...
2
votes
1answer
217 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 ...
2
votes
1answer
4k views

3B+ fails to boot Ubuntu mate

I have the problem that the bootloader and kernel are too old in the mate image to run the on the new hardware. Raspian works fine with a noobs install. I tried the advice in the thread here https:...
1
vote
0answers
24 views

Raspbian on Raspberry Pi 3 b+ doesn't boot

All was working fine till I left my Pi 3 b+ board turned on for around 4-5 days along side windows on my monitor. Now, when I connect power to it, only red power led glows constant red. Yellow led ...
1
vote
2answers
29 views

Create Wifi network without Internet Connection and perform WIFI Switch

I would like to create a wifi network which does not have access to the Internet - that should not be a problem as there are plenty of posts already on Stack Exchange covering this topic. However, ...
1
vote
0answers
13 views

Black screen with cursor after configuring LXDE-pi/autostart

I've seen this post that describes the same problem I am facing, but the use case was somewhat different and the OP never updated the post with their solution. I am attempting to run Synergy at boot, ...
1
vote
0answers
20 views

Collect video from camera and display it in a navigator

I'm trying to collect live video stream from a camera. The camera output is analogic so I'm using an Analogic to USB converter connected to my Raspberry. I'm looking for a good solution to collect the ...
1
vote
0answers
11 views

How to access bluetooth controller on `/dev/input/js0` as user/group?

I'm working on an application that is reading an XBox controller connected via bluetooth. After configuring it (see https://pimylifeup.com/xbox-controllers-raspberry-pi/), I noticed that only root has ...
1
vote
0answers
21 views

uv4l usb camera stream not working

I am using a raspberry pi 3b+, trying to make the usb camera work with uv4l streaming. These are the packages I've installed: uv4l uv4l-raspicam uv4l-raspicam-extras uv4l-server uv4l-uvc uv4l-...
1
vote
0answers
16 views

Is raspberry able to retrieve/store some n time prior a trigger with multiple cameras?

I came across a project idea which I think would demand a lot from a raspberry pi and arduino hardware capabilities. From my understanding, a master raspberry could be used to trigger n slaves through ...
1
vote
0answers
43 views

Powwering Raspberry pi 3 with Li-ion battery

I use MT3608 boost converter in order to convert Li-ion voltage to 5V for RPI, but when I connect battery, RPI doesn't boot up. When I check output of MT3608 it is 5V but it can't tolerate peak ...
1
vote
0answers
10 views

Linux headers missing from a custom kernel built through cross-compilation

Helo, I have followed the instructions given at https://www.raspberrypi.org/documentation/linux/kernel/building.md to build a custom kernel. (I have cross-compiled it on an x86 box.) The custom ...
1
vote
0answers
63 views

raspberry pi3 + fingerprint

I'm looking for a way to connect fingerprint scanner with raspberry pi3 using python. I'd like to use only gpio or hat (not usb) interface. I'm searching for a while without figured out, so I've ...
1
vote
0answers
28 views

sudo apt-get update isn't working / networking problem

I am getting following errors repeatedly upon using apt-get update command : pi@raspberrypi:~ $ sudo apt-get update Err:1 http://raspbian.raspberrypi.org/raspbian stretch InRelease Cannot ...
1
vote
0answers
36 views

Ubuntu Mate compatibility

A Raspberry Pi3 B+ was outfitted with: ubuntu-mate-18.04.2-beta1-desktop-armhf+raspi-ext4.img which indicates that the B+ is the recommended hardware. That being said, at bootup, the rainbow screen (...
1
vote
0answers
18 views

Can't get bluetooth headphone mic working with pi

I am trying to get my Bluetooth headphone mic working with pi b+, my headphone gets connected and audio output is also working but its mic isn't working with pi. I had gone through several online ...
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 ...
1
vote
0answers
16 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 ...
1
vote
0answers
65 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
1answer
72 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 ...
1
vote
0answers
532 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 ...
1
vote
2answers
34 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 ...
1
vote
3answers
72 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
83 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. ...
1
vote
0answers
32 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 ...
1
vote
0answers
76 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 ...
1
vote
0answers
112 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 ...
1
vote
0answers
48 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 ...
1
vote
0answers
323 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 ...
1
vote
0answers
189 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
16 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,...
1
vote
0answers
168 views

Disable mouse acceleration on Raspbian Stretch

I can't figure out how to change the mouse acceleration setting such that the change is persistent. Changing the value in the Preferences > Keyboard and mouse settings keeps resetting every time I ...
1
vote
0answers
22 views

My raspberry pi 3+ suddenly stopped displaying

I've been using this raspberry pi for months to run LibreELEC to run Kodi. One day it didn't let out a HDMI signal. I no longer am able to a HDMI signal at all, my SD card is fine, I even reinstalled ...
1
vote
2answers
215 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
0answers
70 views

BLE Connect fails with page timeout

I've got a custom BLE 4.1 device and I'm trying to connect it to Raspberry PI 3 B+ using hcitool, gatttool, bluetoothctl, ..., without success. The device is an NRF BLE chip with the Nordic UART ...
1
vote
0answers
41 views

raspberrypi3 bluetooth socket problem

I have write program for raspberrypi3 bluetooth communication with hc05 ,but most of the time I am getting error bluetooth.btcommon.BluetoothError: (110, 'Connection timed out') how can I solve ...
1
vote
0answers
147 views

Regarding ttyS0 and ttyAMA0 of Raspberrypi b+

Is it possible to communicate at the same time with raspberry UART(ttyS0) port Rx and Tx and ttyAMA0 (inbuilt Bluetooth) Communication? In my current project, I am doing the serial communication of ...