Questions tagged [pi-3b+]

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

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11 views

Enable Fine Timing Measurement (FTM) on Raspberry Pi 3B+

Is there any way I could create a mesh of Raspberry Pi 3B+ access points supporting the IEEE 802.11mc standard? I'm interested in experimenting with the Wi-Fi RTT Android API for indoor positioning ...
0
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1answer
21 views

Wire burnt by activating peristaltic pump with relay and external power supply

So my wire started burning while activating peristaltic pump with relay and external power supply (output=12V). Why did it happen? Is it possible that diode is not well connected or that relay has too ...
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2answers
9 views

Cannot connect to Xserver during CLI boot

so i want to autorun my python script after boot in a CLI boot however it seems that its giving me an error "Cannot connect to Xserver". My python script uses a camera i used crontab to autorun my ...
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0answers
19 views

How to compile firefox nightly on Raspberry Pi 3?

I am running ArchLinux ARM on the Raspberry Pi 3 model B. I would like to install Firefox nightly on the raspberry pi 3 model B. I can find similar questions on the internet, but most of the answers/...
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1answer
45 views

Begineers - I need dual Wifi on Raspberry 3b

I describe the situation which i need help. I have installed raspbian with RASPAP. I need from my raspberry to deliver 2 wifi ssid: Work, not DHCP, transmit the ethernet on wifi for workers.192.168....
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0answers
29 views

Network doesn't work properly after interface and wpa_supplicant restart

So, I am using an RPi 3 B+ on Stretch. Networking is done through /etc/network/interfaces and systemd's networking.service. The thing is, I am trying to write a script that restarts the wireless ...
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0answers
40 views

Why the script hang for 2 days?

I am running a python script to check the internet connection of a wifi network. It is being run for every 10minutes. Afwer a one month of working, the scheduler is not invoking the actual function ...
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0answers
23 views

VLC stream RTSP USB webcam

I'm trying to stream a usb camera using VLC. I used this page to get it working on a pi zero with a raspberry pi camera attached to it. On a second RPI 3B+ I'd like to do the same only with a USB ...
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1answer
36 views

Raspberry Pi 3B+ input pin strange behavior

I have few switches connected to Raspberry Pi inputs. Internal pull up resistors are enabled. When I connect pin to the ground Raspberry Pi behave fine - pin state is low. However when I disconnect ...
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0answers
21 views

Mode of configuration on Zigbee

I connected one Zigbee with an overlay shield fixed on the RaspberryPi and one Zigbee attached to a vibration sensor. What mode should I configure on the Zigbee's?
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1answer
49 views

Not allowed to use internet in France?

According to the Declaration of Conformity, only indoor use is permitted. Is this just regarding the WiFi, or the whole Pi? What's the reasoning behind this?
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2answers
41 views

Command for checking all devices attached to RPI

Is there any command for listing all devices attached to RPI(light bulbs, buzzers, USB-s, etc.)? If there is no that command, how can I check it?
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1answer
64 views

Rpi3B+ buster USB to Serial (/dev/ttyUSB0) Communication Problem

I'm trying to establish a serial communication between my Raspberry PI 3 B+ - running on Raspbian 10 Buster - and a testing machine I have. The normal behavior of the machine is to send test related ...
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0answers
20 views

Raspberry PI 3B+ won't connect to smartphone Wi-Fi hotspot if it's “Shared wifi” instead of 4G+

I have a Samsung Galaxy S8 and a Raspberry PI 3B+. The PI can connect to a normal Wi-Fi without any problems. The PI can connect to my S8's hotspot if internet is from 4G(+) The PI CAN NOT CONNECT to ...
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2answers
49 views

Adding I2C Bus with dtoverlay Does Not Show Up in i2cdetect

I am trying to set up multiple I2C interfaces on my pi. I have added the following lines to my /boot/config.txt and rebooted: dtoverlay=i2c-gpio,bus=4,i2c_gpio_delay_us=1,i2c_gpio_sda=29,...
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3answers
86 views

Cannot set static IP address for Wi-Fi

I am trying to make static IP address on RPI 3B+ for both ethernet and Wi-Fi. I was following this answer(How do I set up networking/WiFi/static IP address?), but still could not do it. So far I ...
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0answers
30 views

Voltage troubles with Pins (Relais stays on) [duplicate]

I am having troubles setting a simple Relais to On and Off. My code is quite simple: GPIO.setup(RELAIS_PIN, GPIO.OUT) GPIO.output(RELAIS_PIN, GPIO.HIGH) time.sleep(2) GPIO.output(RELAIS_PIN, GPIO.LOW)...
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2answers
32 views

persistent canbus data logging during power loss

I am trying to setup a robust raspberry canbus data logger. The pi will be installed on a mobile vehicle where the power to the pi is disconnected every time the vehicle is switched off, which will ...
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0answers
26 views

Live feed from rpi [closed]

My Raspberry Pi is connected to a 3G cellular module and I have also created WiFi through the cellular module just like a hotspot and through this I want to send live video feeds to a remote network ...
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1answer
36 views

How to send data wirelessly from Raspberry pi to another network at remote place? [closed]

I have to live stream video feed captured from rpi to the remotely placed device which is connected to another network. Please help me finding any link or any stack exchange post. My rpi is connected ...
0
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1answer
19 views

Stacking together two I²C hats with different voltage

I plan to make a domotic system based on a raspberry pi. I choose a grove hat to connect sensors and relays, but I need a digital potentiometer and grove system does not have that. So I plan to buy ...
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0answers
24 views

Raspberry Pi VPN causing problem in regular internet connection

My setup: RPi 3B+ as a wireless access point connected to my home router Openvpn NordVPN Problem: I can successfully connect to a Nordvpn server. It works well for some time. I keep the setup ...
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1answer
97 views

How to connect two BME280 sensors via I2C to a Raspberry Pi 3B+

I have a Raspberry Pi 3B+ and I bought two BME280 sensors (specifically these) and I would like to connect them via I2C. I read that you can do software multiplexing but all the information I am ...
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0answers
36 views

Is it still safe to use my pi? Missing component (capacitor?) near USB port

I dropped my pi and what I think is a capacitor has come off. What effect will this have on the USB ports, if any? Can I get away with just not using them?
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1answer
29 views

ssh, shutdown problem, pi 3B+

I could not find answer to my question reading the forum, Im having unusual problem with my new pi 3b+. I'm able to connect my Pi with ethernet cable, and I can ssh to it. So no problem with ...
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1answer
75 views

Raspberry pi access point: To use bridge or not?

I have followed this documentation to set up the wireless access point on my RPi 3B+ successfully : Documentation link I followed this until the step: Using the Raspberry Pi as an access point to ...
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0answers
32 views

Can you use your pi's Hostname to ssh into your Raspbarry Pi 3 from outside your network? [duplicate]

I'm trying to ssh into my rpi from outside of my network but it is not working. I am using ssh username@raspbarypi to try and get in but no luck. I have also tried to use the IP address like so ssh ...
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0answers
23 views

chromium os on rpi3 is not supporting video streaming nor I can watch live or other videos on Chrome except for YouTube

I have installed chromium os on rpi3 b+ and while Playing any live video or any other video except on YouTube it's showing video not supported what should I do to fix this issue please help
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2answers
36 views

Determining how specific services were started?

I have a Raspberry Pi which is running well, and am looking at creating a status app for it. I have some services that are run on startup, and I want my app to check that they are running, and if not ...
0
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1answer
50 views

Raspberrypi unable to read 2000 ppm encoder

I am using a DC motor attached with a 2000 ppm incremental encoder. I am using RPI to count the number of ticks, my code works fine but I am not able to calculate all the 2000 ticks. Any help would be ...
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3answers
40 views

RaspberryPi turns on but wont start

So I come home and the power strip in which I left the RaspberryPi has tripped and it was off. I restart it, but I notice that the RaspberryPi wasn't giving any output when I plugged the monitor in. I ...
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1answer
20 views

I used anaconda3 python 3 run the following code appears, NameError: name 'TurleControl' is not defined.How to fix?

import turtle import sys from PyQt5.QtCore import* from PyQt5.QtGui import* from PyQt5.QtWebEngineWidgets import* class TurtleControl(QWidget): def __init__(self,turtle): super(...
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0answers
30 views

kernel warning in dmesg

I've bought a new 3B+ and when I add dtdebug=1 to config.txt in /boot the following shows up in dmesg. I'm also having a problem where a GPIO extension board isn't being picked up at all, is this ...
0
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1answer
45 views

New RPi OS kernel panics with VFS: Unable to mount root fs on unknown-block(179,2) not using NOOBS

Hi I have 6 Raspberry Pis and none of them have encountered this error when using this EXACT setup. I boot up. Get a bunch of messages telling me that my CPU swapper is not tainted (not official ...
0
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1answer
39 views

Can you switch from connecting the RPi from pifi access point to an actual router access point

So for a robotics project I have in mind I'm trying to create an access point on my rpi so that I can directly ssh into it without using wifi from another router. But the problem is that I'm not sure ...
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2answers
43 views

No escape key on keyboard

My Logitech Keys-to-Go bluetooth keyboard does not have an ESCAPE [ESC] key. I discovered that I can use the "ctrl-[" keyboard combination as a workaround to get [ESC] functionality with this keyboard....
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2answers
69 views

I can't connect to wifi although I can see the networks

I'm new to Raspberry Pi and I have to make a script based on WiFi connection, but sadly I can't use it. I have a Raspberry Pi3 Model B+ with the NOOBS sd (the one given with the Premium Kit). I ...
0
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0answers
26 views

Installing HY463xx touchscreen driver

I am trying to install HY463 touch screen driver on to raspberrypi-cm3 buster lite. I have installed drivers before. But Their website does not provide any Makefile or any documentation for me to ...
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0answers
78 views

No ethernet on RPi 3B+

I have 3 RPi 3B+, all exhibit the same behaviour. 2 were bought a while ago, one more recently. When starting, on lucky days, they will get an IP from DHCP. If not lucky or upon first reboot, they no ...
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3answers
125 views

Unstable Ethernet connection on RPi 4

I run a headless Raspberry Pi 4 (4 GB) which is powered by the official USB-C power supply. I operate the Pi 4 (Raspbian Buster Lite) via the ssh protocol (putty) from a Windows machine. I realized ...
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1answer
19 views

PINN no internet connection after hard reset

I have recently installed and configured a new server on my raspberry pi 3B. I used PINN as my bootloader and installed some OSes (Fedberry - an Raspberry Fedora implementation - being the main one). ...
2
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1answer
63 views

Editing Main Menu Item

I have an odd (to me) problem with a menu item. When I click Programming, I see the launcher I want but it has the wrong path. That is what I need to correct. When I right click and select properties, ...
0
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1answer
40 views

Whether using a 3.4 Ampere adapter or Qualcomm QC 3.0 adapter to power a Raspberry Pi 3B+ can cause damage? [duplicate]

So here it goes,after looking out hundreds of pages regarding powering of Raspberry Pi 3B+ still some hesitations here. I have totally read this out very detailed & nicely written answer by ...
2
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1answer
50 views

How do I setup DHCP on a 2nd port?

My Main Question How do I configure my RPi so that I can share its internet connection with an IoT device plugged in via ethernet cable in addition to sharing its internet connection via its wifi-...
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2answers
294 views

RP Automatic Updates

Does Raspberry Pi working with Raspbian make any automatic updates without our permission? If yes, How to disable it?
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1answer
50 views

Controlling 5 LIDARs using Raspberry Pi

I came across this instructable which illustrates how to connect the TFMini LiDAR to the Raspberry Pi. In the list of materials, he said that I will be needing a Resistor (between 100-1k Ohm) (...
0
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1answer
32 views

Why the message “raspberrypi dhclient: send_packet: Network is unreachable”?

I am having a raspberry pi jessie OS. I configured it as ethernet to ethernet router. eth0 is connected to a modem and eth1 is actually a usb to eth converter. Rpi get internet through the eth0 ...
1
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1answer
87 views

GPIO pin (BCM 12) acts differently on PI3 and PI4

The following code is running on PI3 and is working perfectly fine. I try to provide a short description of what the code does. In this code I first set the BCM 12 as the pin of interest for my sensor ...
5
votes
1answer
76 views

Is it possible to configure a Raspberry Pi 3 to become a Bluetooth adapter for a desktop PC?

Stupid question, but I've been looking everywhere. I want to configure my Raspberry Pi 3 so that it can basically serve as a bluetooth adapter for my desktop pc. Is this possible, or does it only work ...
0
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1answer
21 views

How do I set up an RPi 3 as a 1-port eth0 router?

I want to set up my RPi3 to be a 1-port router running a webserver. I know how to make a wireless access point and connect my PC via hostapd/dnsmasq, and I know how to set up a webserver on the Pi. ...