Questions tagged [pi-3b+]

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

315 questions with no upvoted or accepted answers
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1answer
91 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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0answers
2k 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 ...
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2answers
57 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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3answers
152 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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1answer
316 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. ...
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0answers
37 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 ...
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0answers
133 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 ...
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0answers
277 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 ...
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0answers
78 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 ...
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0answers
509 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 ...
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0answers
751 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 ...
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0answers
18 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,...
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0answers
464 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 ...
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0answers
26 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 ...
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0answers
175 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 ...
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0answers
95 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 ...
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0answers
277 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 ...
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2answers
294 views

AM2302 no signal using Raspberry Pi 3

I am trying to setup a AM2302 (DHT22) to use with Raspberry Pi, and unable to get a signal. What I need help is to be able to conclude whether the problem is due to (1) sensor fault (2) wiring fault (...
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1answer
1k views

Difference between iface wlan0 inet manual and iface wlan0 inet dhcp in wifi to ethernet router?

I have developed a wifi to ethernet router. Wifi is connected to my home router having internet and ethernet is connected to my laptop( just for testing).My laptop is not getting internet, but it gets ...
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0answers
66 views

Remote internet options

I am looking to set up a RaspberryPi 3 for a trail cam and I have seen multiple option for internet access that are a little dated. Wondering if there is anything more "up to date" that I am not aware ...
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0answers
29 views

UART 0 PCLK not registered (pi 3)

I'm using a rpi 3 and so to use the UART 0 I had to disconnect the bluetooth from it: enable_uart=1 dtoverlay=pi3-miniuart-bt dtoverlay=midi-uart0 in /boot/config.txt It works great but now at ...
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0answers
109 views

SONY TV as Display / Monitor

Background: I have successfully used pi-3b+ to display on LG LED TV, New model Sony 4K LED TV. Requesting your support: The year 2011 SONY 40NX710 model is showing blank (No desktop / text-console). ...
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1answer
202 views

Cant install php

I'm kind of new to the linux os and I'm having trouble installing php. i needed a few tools for jasper which alwys show up in the error message. sudo apt-get install php -y Reading package ...
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0answers
33 views

raspberry pi display reverse color issue

my problem with the Raspberry Pi Official 7" Display: In this page I found this: My display fades out to weird patterns when I shutdown/reboot my Pi. Don't panic! This is perfectly normal. ...
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0answers
194 views

Raspberry Pi 3B+ Bluetooth undiscoverable on iPhone

I installed latest version of Raspbian Stretch with desktop (which comes with pre installed bluetooth). I turned the bluetooth on, and made it discoverable. At the same time I searched for available ...
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3answers
108 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 ...
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0answers
390 views

Chromefy (Chrome OS) on RPi3B+?

Has anyone tried using Chromefy (a way to get official Chrome OS on any device) or similar Chromium OS releases on the RPi3B+? If so, which one works best?
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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, ...
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0answers
309 views

Low video quality with h264_omx encoder

I have a Logitech C922 webcam and I'm recording using ffmpeg with this settings: ffmpeg -thread_queue_size 1024 -f alsa -r 16000 -i hw:1,0 -f video4linux2 -thread_queue_size 512 -s 1920x1080 -i /dev/...
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1answer
1k views

Rpi3b+ to Rpi3b+ jtag/SWD connection and OpenOCD

I'd like to hook together two Raspberry pi 3b+ to use jtag/SWD with OpenOCD. I learned it can be done, but implementing it has proven challenging. I have two questions: How to connect the Rpi's. If I'...
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0answers
441 views

Android RPi bluetooth disconnects after pairing

I'm trying to set up some simple communication between my RPi 3B+ and my phone One Plus 3, but when I try to pair the RPi, it gets disconnected a few seconds after pairing, and disappears from "Paired ...
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0answers
240 views

Using Bluetooth to transfer data between two Pi's

I am using two Pi 3B+'s, one is a calculator without a screen, the other one is the human interface with a screen. I would like to command the calculator with the other Pi via Bluetooth. I am using ...
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1answer
431 views

pymodbus on Raspberry Pi 3B and Energy Meter

Followed this thread on enabling the serial console on the Raspberry Pi 3B. Checked the functionality using this code: dmesg | grep tty Which produced these results: ... console [tty1] enabled ......
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0answers
302 views

Ethernet Indicator led on pi 3B+ not glowing

I am a newbie to Raspberry Pi and recently bought Raspberry pi 3 B+. I first downloaded and burn the minibian on sd card as some course suggested minibian. But whenever I connect pi with power, only ...
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0answers
117 views

PI NOIR Camera Not Working

I recently bought a Raspberry Pi 3B+ and a Pi Noir Camera and attempted to set them up. I followed the install instructions on the Pi website for the board and camera, and unfortunately received an ...
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2answers
519 views

Lan and Wifi interfaces behave strangely when trying to set a static IP

I'm using an RPI3B+ to learn about dhcp servers. I've hit a snag I can't figure out. Please bear with me. I want to explain what's happening in detail so you can understand it better. I booted my pi ...
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0answers
810 views

Slow Chromium on Raspberry Pi 3B+ after update from Jessie to Stretch

I've been looking into my problem for days now and I didn't find a solution to it. If there is already a question about this issue, I have not found it, my apologies. Please direct me to it if there ...
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1answer
407 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 ...
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0answers
94 views

Jackd problem on RPi3 B+ Stretch

I'm running Stretch on an RPi 3 B+. I have a C-Media USB sound card showing up as: card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio] and ALSA recognises it as the default card ...
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0answers
68 views

Safe GPIO configuration for powered-down RPi?

I have a RPi3 driving a robot and I've built a dual H-bridge circuit to run it. I have seperate fuses for the RPi and the driving circuit and I'm glad I do! Trouble is, when the RPi is off, the H-...
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0answers
99 views

Recent raspivid segmented filenaming does nog work properly

I updated to pi3B+ and got the most recent raspivid. In my old software I use raspivid -sg 6000 -wr 40 -sn 4 -o REC_%04d.h264" to produce a file named REC_0004.h264. The new version produces a ...
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0answers
87 views

Connect to failover WiFi if other router is unavailable

I have two WiFi networks configured in /etc/wpa_supplicant/wpa_supplicant.conf as below, and I'm able to manually switch from one to the other via GUI with no problems (via RealVNC usually). However, ...
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1answer
384 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 ...
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0answers
43 views

Rpi3 WIFI AP go down after some time of innactivity?

I have setup my Rpi 3 as wifi access point and it was working for a long time. But some day, wifi stop working unexpectedly and i was no idea that what was the problem. It means wifi access point is ...
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2answers
325 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 ...
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0answers
60 views

Relay for controlling backlight of touchscreen not reacting after a while

I connected my rpi3 to a 10" touchscreen. I connected the backlight of the touchscreen to a relay which I'm controlling via the GPIO pins. This is working fine for the first couple of minutes. But ...
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0answers
398 views

How to upgrade other major OS to work on 3 B+

Scenario I am yet another victim of thinking my rpi 3 B+ was broken when it wouldn't boot up. It turns out that the 3 B+ is looking for some special boot instructions. I currently have: Ubuntu Mate ...
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0answers
234 views

Raspberry Pi 3B+ Ethenet socket Orange LED flashing

I have this weird issue with my Raspberry Pi 3B+ where during normal operation, e.g. while running sudo apt update && sudo apt upgrade the command errors out saying it couldn't connect to the ...
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2answers
4k views

Raspberry Pi 3 B+ no wireless interfaces found

I can connect to Wi-Fi when I use RPi 3B but when I boot the system with 3B+ it doesn't connect to Wi-Fi automatically and when I click on the top right to connect it to Wi-Fi, I see the error: no ...
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0answers
20 views

Why do fbedev OGLES Draw Calls takes 30+us each?

When operating with the framebuffer OpenGL Drivers on my HTC Vive, performance is incredibly good on my Raspberry Pi 3B+ EXCEPT that every single draw call takes anywhere from 30-50us, regardless of ...