Questions tagged [pi-3b+]

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

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2answers
144 views

Raspberry Pi 3 B+ shuts down randomly [closed]

My RPi 3 B+ shuts down randomly. I have a official power supply and a 32 GB Toshiba microSDHC class 4 card. I'm using it as a host for a Discord bot.
2
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1answer
1k views

Upgrading to Latest Numpy Version on Raspberry Pi 3

I'm not sure if this is a Raspberry Pi issue, Raspbian Issue, Python Issue, or all of the above. So forgive me if this is the wrong place to ask this. I just got me a Raspberry Pi 3B+ and installed ...
2
votes
1answer
432 views

Green LED on RPI 3B+ GPIO

I have seen a few examples of wiring a red LED directly from the RPI GPIO pins, however, I need to wire a GREEN LED and am having trouble calculating the resistor needed. I believe that a green LED ...
0
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1answer
279 views

Can I give power 5V 2.1A to Raspberry Pi 3 B+?

I have already taken RPI 3 B + from post office and now I want start RPI 3 B +. But I'm seeing that I haven't got 5V 2.5A Power Block. So, I have a question. Can I give power 5V 2.1A to Raspberry Pi 3 ...
1
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0answers
362 views

Problem autostarting pigpiod

On my Pi3B+ I had pigpiod configured to run on boot and I can successfully run compiled c programs; specifically DHTXXD.c which contains:- /* DHTXXD.c 2016-02-16 Public Domain */ #include <stdio....
1
vote
1answer
343 views

Heartbeat on GPIO via config.txt

I want to have an indicator that the Pi is running an wired a LED to GPIO 21 (with a resistor). When manually turning on the LED via /sys/class/gpio the LED turns on. Unfortunately, it does not give ...
3
votes
1answer
2k views

What are the functions of the test pads on the Pi 3B/3B+?

The various models of the Raspberry Pi comprise numerous test pads (testing pins). Many of these pads however are not mentioned or properly labelled in the official reduced schematics the Raspberry Pi ...
0
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1answer
4k views

Raspberry Pi 3B+, installing Ubuntu Server (64bit)- problems

TL;DR: (Scroll down to bottom two questions) I have found dozens of "solutions" on the Raspberry Pi 3B which have worked for people and not with my 3B+. I suspect that there is a very specific ...
4
votes
1answer
2k views

Run steam link automatically when starting raspbian

I have installed steam link in raspbian stretch, but I would like it to start when the operating system starts, I've been reading and I tried it with init.d but it did not work for me. Thank you.
0
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0answers
26 views

My videobooth powered by raspberry pi, has a buzzing noise in the video clip, because of external lightning

My videobooth consist out of: raspberry pi 3b picamera (I use picam) usb microphone (which is actually a external sound card usb with jack input to the microphone) 4 led TL lights (230V) (switched on ...
0
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1answer
140 views

The servo keeps rotating forever

I have 3 servo motors in my robot arm controlled by Raspberry Pi3 B+. One of the servos is (HV5932MG) (Link: "https://www.banggood.com/JX-Servo-PDI-HV5932MG-30KG-Large-Torque-360-High-Voltage-Digital-...
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2answers
308 views

Powering Raspberry Pi and Arduino

I'm curious about powering Arduino Uno, Raspberry pi 3 b+ and motor driver L298n. I've got 11.1V / 2200 maH li-po battery. Firstly connected battery to motor driver, then feeded arduino from 5V out ...
1
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0answers
379 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 ...
1
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1answer
156 views

RPI3 does not boot, after which SD card is no longer usable

I have an RPi3 B+ on which I had set up NextCloudPi, using an external USB drive to store files to. Everything worked fine, so I decided to put the RPi into a case. I used an original RPi case. When I ...
2
votes
2answers
579 views

RPi to Arduino I2C block_data read fails with “Errno 121, Remote I/O error” (Python3)

Folks, I cringe to bring this up as it has been discussed frequently, but I am at a loss. Background: I have a Raspberry project with about 3000 lines of Python3 code and want to add a wireless ...
0
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0answers
363 views

Add Bluetooth 5 to Pi3 B+

Are there already easy to add Bluetooth 5 chips for the Pi3 B+. I couldn't find anything but maybe someone here has done it before or has a clue how to add Bluetooth 5 capabilities? I want to increase ...
0
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2answers
217 views

Creating symbolic link in RASPBIAN (reduce I/Os on memory card)

I'm doing this to reduce I/Os on memory card of raspberry pi. I want to redirect logs under /var/log to a mounted external drive. I am using following commands in the stated order to create the links. ...
0
votes
1answer
37 views

Is it possible to use my Raspberry Pi as an ethernet to USB adapter?

I am trying to install various linux distros on my MacBook Air and MacBook Pro machines. They often require an ethernet connection for the installation. Instead of paying for and waiting for an ...
0
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2answers
2k views

How to Check SD card is working or not in Raspberry Pi?

If i put sd card in raspberry pi and want check whether it is working or not. Is there any procedure in raspberry pi to check it. I want to check my either my SD card is broken down or corrupted.
11
votes
4answers
17k views

Why am I getting a rainbow screen and flashing red PWR LED with a new Raspberry Pi 3B+?

I think there might be a problem with my new Pi. I'm using the same power supply (purchased from PiHut for my previous 3B) in the new 3B+ but I get the rainbow screen and the red power light flashes ...
1
vote
1answer
413 views

Restrict WiFi range of Pi 3b+

I want to restrict the wifi range of my Pi in order to only have a really small range of around one or two meters for my access point. I'm not totally new, but I don't know any way to reach the goal ...
0
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1answer
2k views

Wifi Not Working with Ubuntu MATE 16.04 and Pi 3b+

I was able to get Ubuntu MATE to finally run on my Pi 3B+ after following this tutorial: https://www.youtube.com/watch?v=tdJrd75_068&lc=z234tvgocvmqyzb5a04t1aokgml1ll00iwv1gbnt2da0rk0h00410....
0
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1answer
194 views

Remote access Raspberry PI 3 from Mobile Application

I want to Remote access my Raspberry Pi 3 Model B from my Mobile Application(that i have created). Actually I have many Devices at home that based on Raspberry PI (many Raspberry PI) and want to ...
1
vote
1answer
36 views

Why does screen go blank while wifi data is being transmitted?

I got a Raspberry Pi 3 B+ with 2.5A power supply that came with it. I've connected a VGA monitor (via an HDMI-VGA adapter) and keyboard to it, and connected it to the WiFi. From the beginning, the ...
0
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0answers
51 views

How to enable audio volume on 3b+ /w vx1 usb sound card

I have an rpi 3b+ that I want to get all audio to come out of the USB sound card - a VX1, which seems to have worked on an earlier version from this When I power it up / connect it, it gets detected ...
0
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1answer
481 views

qtdesign-UI using PyQt5 is not showing images on raspberry

My ui created in qtdesign is not showing the images on raspberry pi 3B+ with LCD-screen. I added them to the ui via the resource and in qtDesign5 they do show up. I have tried to add the image as ...
1
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2answers
796 views

Cannot Detect LIDAR Lite v3 Raspberry Pi 3B+

I am trying to connect my Garmin LIDAR Lite v3 sensor to my Raspberry Pi 3B+ via i2c interface. However i2cdetect on the command line returns dashes for every address. I'll try my best to clearly ...
2
votes
1answer
4k views

Where is the Polyfuse of Raspberry Pi3?

I wan to test the polyfuse of the Raspberry pi3 B+ I try to find where it is but it said in the search result locate the F3 but there is no F3 in the board written anyone can help?
0
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1answer
1k views

Confusion regarding getting started with OpenGL ES 2 on Raspberry Pi 3 B+

I am developing a 3D application for RPi 3 B+ using OpenGL ES. As I know there are plenty of tutorials and books but they are mostly for either OpenGL-ES 3.0, Android or iOS. I far as I know RPi 3 ...
0
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1answer
61 views

Running Raspberry pi 3b+ on lithium ion 36wh/7.4v question

I have built a little medical assistive device using the raspberry pi 3, I wanted to attach it to a backpack and test it in real life situations. I don't have much money to purchase much things but I ...
1
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0answers
675 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 ...
3
votes
2answers
279 views

RPI 3B+ state of /sys/class/net/eth0/carrier won't change

My application check /sys/class/net/eth0/carrier for ethernet status; it works great on RPI 3B but broken on RPI 3B+. If I plug out the RJ45 cable from both RPI 3B/3B+ : the RPI 3B will change the ...
1
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2answers
107 views

crontab schedule .py file

I am attempting to run a scheduled .py file every 5 minutes with crontab but I don't think it's working. I'm following this post with the instructions: Can't run python script from cron I opened ...
2
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2answers
182 views

128GB in Rpi3b+?

I’m thinking about getting a Samsung 128GB microsd as they’re cheap in Amazon and I assume not fake/shanzai. But can the Rpi3b+ use this? Also it is speed 10 and U3 rated because there’s no longer ...
1
vote
1answer
69 views

My raspberry pi doesn't work after I execute “gpio -g write 1 0”

Sorry for my poor English. I just bought the raspberry PI 3B+ a few days, don't know what the gpio -g write 1 0 mean.After try this, my pi doesn't work now. the green led is also not lit. I have an ...
3
votes
2answers
107 views

Scaling of digital reading of pressure sensor

I have purchased one of these and I've connected it to a pressure sensor. I now need to convert the digital values to pressure. However, my maths is all forgotten. Can anyone help me out? The ...
0
votes
1answer
81 views

Can this DC Motor Driver feed my RPi?

I've bought this motor driver, which features a 5v output pin. I connected this and the ground pins to a micro-USB adapter, so that I could use a 2-cell LiPo battery to power the driver and the driver ...
0
votes
1answer
278 views

Why is my Raspbian command prompt grey?

I was messing around in settings and updating a few things today and rebooted my Raspberry Pi running Stretch and went to open the CLI again and the prompt has turned gray and some commands like ll ...
-2
votes
1answer
75 views

How to compare if the cpu serial is correct

I have a question. I would like to check when the raspi system starts or if the serial cpu is correct. If not, he would be rebooting. So he would be doing reboot loops all the time. I found the ...
3
votes
1answer
2k views

Rainbow Screen after Android Things installation

I am new to Raspberry and Android Things. I have a Raspberry Pi 3 B+ and I am using latest Android Things (followed as per Android Developer Site). But why is it only showing Rainbow Screen after the ...
0
votes
1answer
270 views

install PINN without deleting OSes on SD-card

I have a RPi 3B+ on which I installed two OSes via PINN. That worked fine until now. Recently I tried to configure my bootloader so I am able to chose the correct OS to boot from my TVs remote-...
0
votes
1answer
171 views

wpa_supplicant.conf entries?

Every resource I have seen / used always say how to COPY or paste entries into wpa_supplicant.conf. The question is Is there a document actually explaining , in "5 W's" style, purpose these entries?...
1
vote
2answers
528 views

Raspberry Pi 3 B+ doesn't boot up. Only PWR LED is on

Just got new Pi3 B+ today from reseller. I went ahead and test it out and it doesn't work. Only PWR LED was lit. I tried another SD card and still doesn't work. I also tried reflashing Raspbian ...
1
vote
1answer
780 views

Speeding up boot process : RBP 3B+ and UBoot

I am trying to setup a system in the RBP 3B+ using UBoot as bootloader. I am trying to get it to boot the fastest I can (at the moment, I have a Class 10 SD card) and I am getting around 1.4s from ...
3
votes
2answers
4k views

10MB/s speed on model 3 B+ gigabit ethernet

I'm running speed tests on raspberypi 3 b+ (gigabit ethernet interface). I've tested with ethtool from the terminal, and it shows Speed: 1000Mb/s Based on this result I assume both the router and ...
0
votes
0answers
455 views

Unable to login into Kupiki captive portal using the given username and password(Raspberry Pi 3 B+)

I tried to create a captive portal for my Raspberry Pi's Wifi hotspot using Kupiki-Hotspot-Script which is given in this link Kupiki-Hotspot-Script However I am unable to login using the given ...
0
votes
1answer
1k views

How to Connect Raspberry Pi to WiFi Network without keyboard / Monitor but via Putty at first installation?

I have got a new Raspberry Pi 3 B+ model. I'm using Noobs package for Pi OS. Now, I have the only laptop. So, after seeing some online tuts I'm thinking, can I configure WiFi in Pi via terminal. I'...
3
votes
1answer
5k views

USB Boot From SSD not booting — Rapsberry Pi 3b+

So I'm having issues getting the USB boot mode working on my new raspberry pi 3b+ and a couple of different SSD's I'll first go through all the things that I've done, and what I'm seeing. Installed ...
1
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0answers
90 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 ...
0
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0answers
607 views

How many arduinos can I control with one raspberry pi 3 B+

I have been reading about using a Raspberry Pi to control an Arduino. My goal is to control several Arduinos using a single Raspberry Pi, in order to automate several tasks, it is important to note ...