Questions tagged [pi-3b+]

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

264 questions with no upvoted or accepted answers
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3
votes
1answer
105 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
79 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
274 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
149 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
418 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
428 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
44 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-...
2
votes
0answers
39 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
30 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
35 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
48 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
102 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
71 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
227 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
16 views

I don't know why suddenly mjpg-streamer and webcam stop working

I have made a program that uses three webcams and three ultrasonic sensors using raspberry pi 3 and python 3. When each ultrasonic sensors detect stuff in front of them, webcam take a picture of it. ...
1
vote
1answer
29 views

Is it possible to make access raspberry pi 3b+ access point from wifi without ethernet and other external devices?

Is it possible to create access point from Raspberry Pi 3B+, without ethernet? I'd like to create access point like for example android hotspot, were you can start hotspot but you still can use ...
1
vote
0answers
13 views

bluetoothctl hangs with “connect to bluetoothd”

I have a Raspberry Pi 3 and I have been playing with the bluetooth functionality. It worked for a while: I successfully paired a Windows machine with my Pi, but now it does not work anymore. I used ...
1
vote
0answers
29 views

Where does the Raspberry PI 3 b+ IO peripherals mapped in the ARM virtual address space?

BCM2835 data sheet The earlier version of Raspberry PI (BCM 2835) data sheet shows that the IO Peripherals are mapped from starting address - 0x20000000 - In ARM physical address space 0xF2000000 - ...
1
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0answers
20 views

RPi Camera starts going white

I bought a RPi Camera V2 from amazon yesterday and when I tested it today it started going white and then flashing colors like a disco party (rave starts 8 seconds in): https://imgur.com/a/QK5VL22 ...
1
vote
2answers
29 views

do RPi3 3.3/5V pins output constant voltage even if the RPi power supply is changing voltage?

I want to power my RPi with a lithium ion battery. The RPi will be powering some devices which require constant voltage to power them. If I use a battery as supply for the RPi (which changes as it ...
1
vote
0answers
61 views

Powerbank for Raspberry pi 3 B + car robot

I am just beginner, so perhaps this question is not correct. I am going to build a robot car, and I am going to power it by using powerbank. My question is : is it enough for robot at all? I mean, is ...
1
vote
0answers
27 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
25 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
13 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
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
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0answers
44 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
12 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
68 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
36 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
57 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
20 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
19 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
88 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
925 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
36 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
96 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
120 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
34 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
98 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
171 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
55 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
379 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
297 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
17 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
227 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 ...