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Questions tagged [pi-3b+]

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

307 questions with no upvoted or accepted answers
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32 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 ...
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1answer
192 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:...
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1answer
29 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 ...
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24 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 ...
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38 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, ...
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1answer
173 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.
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28 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. ...
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97 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: ...
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1answer
473 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 ...
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96 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 ...
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191 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 ...
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28 views

Raspberry Shut down After trying to connect fan

I just bought a new Raspberry Pi 3B+ UK and was working with it for about 2 hours, and then when I was not at home, my son noticed that the CPU is hot and tried to cool it down with a normal 5V PC fan ...
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35 views

I am not able to login in Raspberry pi 3 b+( stretch Os) although my password is correct and I am facing this problem after installing protbuf

After installing protobuf and rebooting the Pi, I am not able to login into Pi. The login popup appears, but after entering my password I do not login into the Pi. Also, my password is not showing ...
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1answer
374 views

PIServer client autologin

I've got a Raspberry PI 3B+ configured to diskless boot with the PIServer PXE system. I have created a user 'map7' and would like it to autologin my thin clients into the GUI as that user. I've ...
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26 views

Install USB Wifi to run in parallel on RPi 3+

This is a very similar question to one already asked, but it is different in that I want the USB dongle to provide internet access to the RPi while the RPi AP still operates. I am trying to set up a ...
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23 views

PyGame GUI hidden by program

I am working on creating a graphical program to display two lines of text (a big message and a small message) on my Raspberry Pi Touchscreen using the module pygame. In the basic terminal, I can pass ...
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26 views

OpenCV 3.3.0 issue

Hey when i am running code i got this annoying error #!/usr/bin/env python import numpy as np import cv2 as cv import os from pantilthat import * os.system('sudo modprobe bcm2835-v4l2') cascade = ...
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120 views

Pi 3 Model B+ can't boot after changing vRAM

I just got the device (Pi 3 Model B+) and am a total beginner. I'm using NOOB/Raspbian. Every time I try to change the video ram (either through the GUI or the config.txt) the device is unable to ...
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19 views

Extracting machine data using Pi

We currently have moulding machines i am looking at whether i can use raspberry pi to give live data from each machine either from the main control board or the traffic lights system we have to show ...
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88 views

how to install Azure IoT Hub Device Client SDK python on Raspberry PI 3 B+

I am using Raspberry PI 3 B+ with Raspberrian stretch os. How to install Azure IoT Hub Device Client SDK python on Raspberry PI 3 B+
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309 views

Use of bind-interfaces in dnsmasq?

We have used dnsmasq to set up a wifi to ethernet router on raspbian jessie. I have configured eth0 for static IP address using dhcpcd.conf file and it is given as follows. interface eth0 static ...
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73 views

Try to sending and receiving data from raspberry pi to HC05 arduino

But I am not able to connect my HC05 module with Raspberry Pi 3B and I am getting error like: connect 00:18:E4:40:00:06 Attempting to connect to 00:18:E4:40:00:06 [CHG] Device 00:18:E4:40:00:06 RSSI: ...
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31 views

PI 3B not booting without Logitech USB dongle plugged in

My (headless) Raspberry Pi 3B (boots from SanDisk Ultra Fit 64GB USB stick) will not boot at all without the Logitech universal keyboard/mouse dongle plugged in one of the USB ports. With it plugged ...
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37 views

Can't Login To Pi Model 3B+ Via Serial Connection To PC Using PuTTY

Ok, so basically I have installed raspbian-stretch onto the pi using an SD card. I was having issues getting anything to show over the serial connection using putty so I connected the pi to a TV using ...
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55 views

Connecting a PIR and Relay Module to a Raspberry Pi causing 2 Minute False Alarms

I am building a small home automation system, and one node has a PIR to detect motion, and a Relay Module to control a 240v light with a Raspberry PI 3. The PIR is connected to 5v, and has a ...
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380 views

hostapd acces point configuration file

I'm using this to turn my raspberry pi into an access point https://github.com/Phoenix1747/RouteryPi This is my hostapd.conf file: # Bridge mode bridge=br0 # Networking interface interface=wlan0 # ...
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25 views

how to connect STM32F103C8T6 toboth of raspberry pi3 and GPS module via UART

I want to build a quadcopter based on STM32F103C8T6 microcontroller and two sensors(MPU-6050i, Baromter 5611) I will also add GPS NEO-M8N and Picamera, instead of radio controling i will use a wifi ...
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308 views

Raspberry Pi3 B+, connect 5V fan

I have watched a few videos on how to connect a mini 5v fan to my raspberry. I am still confused. On my fan I have one red wire and one black wire. Which pin do I connect the red wire to and which ...
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201 views

wvdial and usbmode,switch not working raspberry pi 3B+

I am trying to get my ZTE USB modem to connect on my Raspberry pi 3B+. here is my lsusb output: Bus 001 Device 005: ID 1611:2800 Bus 001 Device 007: ID 19d2:0031 ZTE WCDMA Technologies MSM MF110/...
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26 views

problem installing canonTS9020 on Pi3-b+

I'm new to the rasberryPi / linux scene and need suggestions. After running the command below & launching cups 2.2.1 I can see a list of printers after pressing the "add printer" button as shown ...
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4answers
3k views

WiFi won't start

I have a new Pi 3 B+ and am running openplotter version of NOOBS. When I boot, WiFi doesn't show on the top right of the home screen. When I run raspi-config for Network Options and WiFi, I get '...
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93 views

Unable to get accurate RPM with Adafruit Stepper Motor HAT v0.1

I'm trying to drive some stepper motors using a Raspberry Pi 3 B V1.2 and an Adafruit Stepper Motor HAT v0.1 and am having trouble setting them to the speed I want. The motors have a step angle of 1.8 ...
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207 views

Connect fans and display to rpi 3b+

I have a rpi 3b+. With it I bought a 3.5 inch display and a case with dual fans. But the pins for the fans (5v and ground) are the same with the display. How can I have them both connected to my ...
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346 views

Raspberry Pi mouse and keyboard not working

So last night I was using my Raspberry Pi just fine but my internet didn't work so i fixed it with sudo apt-get update and sudo apt-get upgrade. This morning I plugged it in and neither the mouse nor ...
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70 views

Corruption of external USB pen

I'm running Raspbian Lite on an RPi3B+. It's powered with a bench power supply capable of sourcing over 3A. I never see an "under-voltage" warning. My application requires an USB pen drive always ...
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160 views

How to play specific video files through python script based on passed integer

I have an oddly specific problem, though aren't they all? I have a RPi 3B+ on stretch that I'm trying to boot into a python script that I've written that receives an integer and passes it to two ...
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265 views

Getting error: `/usr/bin/veracrypt: No such file or directory` after installing veracrypt

I am trying to install the armv7 version of Veracrypt on my Raspberry Pi. I downloaded it from: https://launchpad.net/veracrypt/trunk/1.21/+download/veracrypt-1.21-raspbian-setup.tar.bz2, unzipped and ...
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90 views

Wrong X and Y touchscreen axis after screen rotation on Raspberry Pi 3B+ and Raspberry Pi zero w

I can successful rotate the screen with display_rotate=1 (and display_rotate=0 to return back to landscape mode). But, I cannot get the X and Y axis to work correctly after the rotation. How can I ...
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0answers
230 views

Error: could not locate runnable browser

I am using Raspberry Pi3 B+, I have a problem with webbrowser module, when i run my Python 2 Program Code: import webbrowser url = "youtube.com" chrome_path = "/home/pi/Desktop/Chromium Web Browser" ...
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0answers
195 views

How to toggle a push button to capture an image and insert a string in a text widget?

I have a project that involves capturing an image using a push button and after I use image processing I can convert it into a string. How do I make the string display the tkinter text widget while ...
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1answer
60 views

Android cannot connect to Pi's wlan

I'm running a Node server on port :3000 and want to access it from other devices using Pi's wlan0 address. wlan0: 169.254.36.22 Accessing from Macbook works Accessing from iPhone works Accessing ...
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0answers
55 views

Apple iAP 2 Bluetooth profile support on Raspberry Pi

I have an RPi 3 B+ model and I know it has a Bluetooth chip onboard. Then I have found that BlueZ Bluetooth protocol stack can be installed on it. But there's no Apple iAP 2 protocol support out of ...
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108 views

180 panoramic based on multiple cameras

Need some help please :) I would need some help to find the best option for a product upgrade. Right now, it consists of a Raspberry Pi 3 B+ with the Camera Module v2 and an external mobile ...
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0answers
153 views

Set variable PATHS_FROM_ECLIPSE_TO_PYTHON debug remote PyDev

I want to write my Python scripts from my Raspberry Pi 3 b+ in my Eclipse IDE (Windows 10) and be able to debug them. I installed Pydev and RSE plugins on Eclipse. I installed Pydev on my Rasp Pi ...
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0answers
459 views

PiCamera not working with mmal error

I have Picamera v2 which I have been using Rpi3 for a while now and it has been working properly. Using vcgencmd get_camera I get supported = 1, detected = 1 But while i run raspistill -o cam.jpg. I ...
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2answers
187 views

Can't SSH Into Headless Raspberry Pi 3 B+

I have a Raspberry Pi 3 B+ and I'm trying to use it to run some servos. I'm brand new to the hardware and networking part of this setup - I only have experience with programming, but not this part. I ...
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0answers
320 views

Raspberry Pi 3 won't boot, red LED light only

I was using my RPi for testing the sensors of my project, when suddenly it stopped and won't boot after that. I did not touch anything nor destroyed parts of the pi. The sd card is working fine as it ...
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1answer
57 views

Raspberry pi + L298 H bridge motor speed reduced when battery circuit shows 50%

I made a raspberry pi car. The pi is powered by two 18650 (Breewell New Multipurpose Flat Top 18650 Battery 2000 mAh 3.7 Volt Lithium Genuine Rechargeable Battery -Pack of 2 https://www.amazon.in/dp/...
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1answer
890 views

Access point as a Wifi repeater for WPA2-Enterprise network

So this is a little bit of a random question but I'm attempting to follow this tutorial to set up a wifi repeater with my Raspberry Pi 3B+. I can get the Raspberry Pi to generate a network that can ...
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0answers
17 views

Pi stopped booting after one night

Last night I set up my Raspberry Pi Model 3B+ as a Samba Server with an External Hard drive. After connecting to it on one of my PCs, I went to sleep. I also had VNC Server set up on the Pi so I had ...