Questions tagged [pi-3b+]
Use for questions specific to the Raspberry Pi 3 Model B+
672
questions
0
votes
0answers
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
votes
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 ...
0
votes
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 ...
1
vote
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/...
1
vote
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....
-1
votes
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 ...
0
votes
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 ...
0
votes
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 ...
0
votes
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 ...
0
votes
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?
0
votes
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?
0
votes
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?
1
vote
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 ...
0
votes
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 ...
2
votes
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,...
3
votes
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 ...
0
votes
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)...
2
votes
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 ...
0
votes
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 ...
-3
votes
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
votes
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 ...
0
votes
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 ...
1
vote
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 ...
1
vote
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?
1
vote
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 ...
0
votes
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 ...
0
votes
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 ...
0
votes
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
1
vote
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
votes
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 ...
1
vote
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 ...
-1
votes
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(...
0
votes
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
votes
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
votes
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 ...
1
vote
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....
0
votes
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
votes
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 ...
0
votes
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 ...
1
vote
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 ...
1
vote
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
votes
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
votes
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
votes
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-...
0
votes
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?
0
votes
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
votes
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
vote
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
votes
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.
...
