Questions tagged [pi-3]
For questions that apply specifically to the Raspberry Pi 3 and not other/all models.
3,133
questions
1
vote
0answers
24 views
Weird problem with Raspberry Pi falling over
So I've been trying to trouble-shoot this myself for weeks.
I have a Pi3 (and a Pi4, though the 4 causes no issues).
My Pi3 is fully up to date, on Raspbian Linux 4.19.81-v7+
This issue persisted ...
0
votes
0answers
15 views
Directly accessing a drive used as a NAS drive by a raspberry
I successfully tried to add a NAS to my local network. I did this using a RaspberryPi 3, samba and a USB stick formatted in NTFS. My RPI use ntfs-3g driver for accessing the drive.
My problem is that ...
0
votes
1answer
15 views
Why isn't it possible to run a 32-bit kernel on QEMU's raspi3 machine?
I've been using QEMU for a few years now, and I know that when using raspi3 machine (in QEMU >= 3.x), you can't run a 32-bit kernel on it. You have to use raspi2 machine.
However, Cortex-A53 is ...
0
votes
0answers
15 views
SIM800L - GAMMU not connecting - RPI 4
I connected my RPI4 & RPI3B one by one with my SIM800L board in hope to be able to receive sms on the board. Unfortunately, the boards do not detect the module. The SIM800l was given external ...
1
vote
1answer
20 views
How do I reverse the loop?
I'm trying to do a KITT Led Scanner on the simulator at https://trinket.io/sense-hat. This is my code:
from sense_hat import SenseHat
import time
s = SenseHat()
R = (255,0,0)
x = 0
y = 1
s.clear()
...
2
votes
1answer
26 views
is it possible to set up multiple ssids using rpi 3?
I have been trying to setup multiple ssid configuration in my rpi 3B so that my rpi can broadcast multiple ssid through the adapter present in the stock hardware itself. Does BCM43143 support it?
1
vote
0answers
35 views
Raspberry pi with 1.3" oled i2c screen
I'm currently trying to use this 1.3" i2c oled screen with the Adafruit oled i2c library, but I'm currently getting this issue:
I have made sure to run the setup.py and all of the code is the same.
...
0
votes
0answers
20 views
“Couldn't find matching render driver” error [LIBVLC][LIBSDL2][RPi3 B]
I am trying the simple libvlc demo with libsdl2 from LibVLC Sample Code SDL but I am having issues when running the compiled binary. I get a "Couldn't find matching render driver" error from ...
-1
votes
0answers
32 views
How to run a python3 program automatically in Raspberry pi 3 - Raspbian Jessie?
Good morning, I'm trying to run a program automatically When the Raspberry log in and shows the desktop, I'd already run a program following this tutorial: https://www.raspberrypi-spy.co.uk/2015/02/...
0
votes
0answers
32 views
Need troubleshoot fix my Raspberri Pi camera
So my MotionEye setup works fine, but after like 24 hours everyday, when I go connect the IP address it won't connect for some reason... And I can see that the Raspberry Pi3 and the Camera is working, ...
0
votes
0answers
45 views
Errors with Lepton FLIR: Red square, unresponsive capture/overlay
I've been trying to set up a Lepton Thermal Camera (breakout v1.4) with a Raspberry Pi Zero W, and a Raspberry Pi 3. I've been following a number of guides but most recently this one.
Once I run
...
0
votes
0answers
17 views
Improve RaspberryPi 3 B+ wifi reception
would like to know how best to improve wifi reception for Pi3 B+. Can a WEMOS miniPro with ext antenna be used with pi to achieve this?
1
vote
0answers
60 views
Raspberry Pi always reboots when trying to shutdown
I've been facing this issue for a long time and I haven't been able to find a working solution for it. I've found a few different posts online of people having the same issue but none of the solutions ...
0
votes
0answers
27 views
How to disable Raspberry Pi console output to monitor but keep rendering graphics [duplicate]
I'm building an application on Raspberry Pi that renders some GUI to the screen. I would like to keep rendering the GUI but get rid of all the "ugly" console logs during boot or when the GUI crashes, ...
-2
votes
2answers
81 views
How do I upload files to google drive automatically from raspberry pi or from PUTTY
The title says it all. I want a simple way to preferably automatically upload files from my pi to a google drive or something similar
1
vote
3answers
102 views
How Can Rpi3B+ Detect MQ9 Gas Sensor's Carbon Monoxide Leakage, Without Using ADC?
I already have bmp180 sensor connected to raspberry pi 3b+, now I want to add MQ9 sensor like this https://e-radionica.com/en/mq9-gas-sensor.html
Is connection straight forward like the bmp180?
...
1
vote
1answer
61 views
eduroam wifi login RP3b vs RPI4
I was wondering if there is any difference with the RPI3b and the RPI4 to login to eduroam network (WPA-EAP)?
I have 3 rpi3b and i connect to eduroam without any issue. On th RPi 3B I have Raspbian ...
1
vote
1answer
37 views
Trying to access Local Network from eth0 and Internet from eth1
I have a Raspberry pi Device I want to use the (eth0) ethernet port/Cable to connect to a local network with ip range from 192.168.x.x. And i have a 4G usb dongle which connects to the internet on the ...
2
votes
1answer
48 views
How to get acces torrents using Transmission?
I have installed transmission on my raspberry pi and im going to use it to download audiobooks and stuff like that. The torrent I tried to download is now in .torrent format (/.config/transmission-...
3
votes
1answer
97 views
How to get curent cpu mhz on a raspberry pi with python?
I need a sample program that will put the current CPU MHz in a variable with python. I prefer a short compact program. Thanks in advance.
1
vote
2answers
65 views
Unable to Install NumPy on Raspberry Pi 3
I'm installing NumPy on a Raspberry Pi 3 using pip. When I type in pip install numpy into the SSH bash terminal, pip starts collecting and downloading NumPy. But when it runs the setup.py file, it ...
3
votes
3answers
67 views
My wlan0 interface is not coming up
I have a raspberry pi 3 that I was using as hostspot. Today I booted it and the wlan0 interface is gone when typing
ip a
When doing raspi-config and try to configure a wireless interface, I receive ...
0
votes
1answer
44 views
make -j4 zImage fail missing kdb_cmds reference
I'm trying to recompile kernel on my RPi3A+.
Excecuting the following commands on clean Raspbian 9 (stretch):
sudo apt-get install openssl-dev
sudo apt-get install git
sudo apt-get install bc
sudo ...
0
votes
2answers
19 views
Port Forward port 22 for Raspberry Pi 3 but port still closed
Yesterday I made a Nas Server on Raspberry Pi and on the local network it's works fine and the SSH connection too but as soon as I try to connect to the Raspberry through Putty from an outside network ...
1
vote
2answers
39 views
Installing Python 3.6: question about needing sudo command for configure command
I have a Raspberry pi 3 Model B and I want to install Python 3.6 on it.
A bit of context:
I acquired this Raspberry pi over 2 years ago and it came with Python 2.7 and 3.4 installed by default in /...
0
votes
0answers
9 views
kodi image not picked up in boot
I have one sd card more than 8 GB, which i was using in a pi3. Want to format the card and copy kodi image in it. Did below steps
Formatted the SD card using a windows os format feature. (I can ...
2
votes
1answer
31 views
How to securely share linux devices from client to another linux server
I have 3 I2C devices connected to my raspberry pi 3 i2c bus 1.
I want to share this whole I2C bus 1 (/dev/i2c-1) to another linux server, which is running in the cloud, through a secure TLS, username ...
1
vote
0answers
14 views
Reconfigure xserver?
I was installing different DEs like KDE Plasma and Cinnamon on Rasbian buster. I uninstalled KDE and I’m using Cinnamon as my permanent DE, but somehow KDE reconfigured xserver so that even now with ...
0
votes
0answers
20 views
bind event from evdev to GUI wxpython
I have buttons and joystick as in the image below and I am reading events from these inputs on raspbian with the evdev library, I am also running a GUI using wxpython. My question is how can I bind ...
0
votes
0answers
32 views
Getting error on Raspberry pi 3 while trying to run chromium in app mode
$chromium-browser --window-size=1080,960 --window-position=0,0 --app=/home/pi/Desktop/python/LMMS.html --disable-quic --enable-tcp-fast-open --ppapi-flash-path=/usr/lib/chromium-browser/...
-2
votes
1answer
101 views
Rpi3 Jessie Leafpad editor not found problem
On my Raspberry PI, I want to use simple text editor. So, I learned that it already has Leafpad text editor installed on it, but there is no trace of it being on PI. Like for instance, I run find ...
1
vote
0answers
19 views
How do I access a LAMP server hosted on a raspberry pi via mobile hotspot? [closed]
I have setup a LAMP server on my Raspberry Pi 3. I am using it to host a WordPress site. When the pi is connected to my home server, I can use the pi's ip address from my laptop to view the site. ...
0
votes
0answers
51 views
Rpi3 Home Assistant To Read Signals at GPIO Pins Problem
I'm really new to Raspberry Pi, so please forgive me if this is a noobish question.
I have a very simple setup: Raspberry Pi 3 running Home Assistant with a switch connected to GPIO12 and 3.3v.
The ...
0
votes
3answers
48 views
How can I connect a Raspberry Pi 3+ with a MacBook Pro 2018?
I would like to access my Raspberry Pi via SSH and am not sure how to connect it to my MacBook Pro from 2018, given that it only has USB-C ports.
My idea was to buy a crossover Ethernet cable and an ...
2
votes
1answer
216 views
SIM800 GSM Module To Raspberry Pi UART Serial Communication Problem
I am new to Raspberry Pi Zero and I want to connect it with a GSM module for GPRS connectivity. I bought the SIM800A GSM module but its LED is not even blinking one single time.
I am able to turn on ...
2
votes
1answer
75 views
Need advice for connecting multiple arduinos to raspberry pi
I have a project in hand where I need to connect 5 arduinos as slaves to Raspberry Pi. Load Cells, Reed Switch, Solenoid lock will be connected to each of the arduino. The arduinos need to send the ...
0
votes
0answers
43 views
Issue with I2C communication with raspberry pi and arduino
I am new to I2C communication and python coding so please bear with me if my question is naive or my code looks very bad. I am able to achieve I2C communication between raspberry pi and arduino and ...
0
votes
0answers
46 views
PWM without root access (Navio2)
We use the Navio2 sensor hat from Emlid. These boards are used for a class where students develop flight software (not using Ardupilot or PX4). We roll our own framework which provides some basic ...
0
votes
1answer
85 views
Connecting multiple sensors to Raspberry Pi 4 B
I have a Raspberry Pi Project in mind but I'm completely new to this matter and have literally no idea.
My plan is to create a transportable Weather Station (which includes a temperature sensor, air ...
0
votes
1answer
31 views
Login screen stuck in a loop
I have tried several ideas such as:
chown pi:pi .Xauthority
choxn -R pi /home/pi
and I have deleted .Xauthority
But my pi keeps returning to the Shut-Down / Log-In screen no matter what I do.
I ...
2
votes
1answer
37 views
How to bridge wlan0 to eth0 without a static ip?
I'm having internet issues in my dorm and I can solve them by bridging the dorm's WiFi (wlan0) to ethernet (eth0). I've read a lot of tutorials online, but most of them are outdated or not applicable ...
0
votes
0answers
27 views
How to create a real time link between Raspberry pi3 and Android app to see sensor info?
I built an App (android) and a little Car (Raspberry Pi 3 b+). The app is a remote control and I put a proximity sensor to the Raspberry (little car).
How can i do to get that info in real time in ...
0
votes
0answers
40 views
Phoniebox.de - No audio issues due to snd_usb_audio file missing
RPi Model 3 B+
Used this to install the stretch
https://downloads.raspberrypi.org/raspbian/images/raspbian-2018-03-14/2018-03-13-raspbian-stretch.zip
as recommended on here
https://github.com/...
-1
votes
1answer
90 views
How to physically wire two I2C sensors' SCL/SDA signals to a single I2C bus?
I need to connect two sensors like this https://encrypted-tbn0.gstatic.com/images?q=tbn%3AANd9GcRDDlL2AK_eYo9BKbImJcekMZ0PgIYC2GL0OLIMVGzkWAtq54zG to rpi 3 b.
I found that it is not a problem and ...
1
vote
1answer
44 views
RaspberryPi with openfortivpn
I'm using a fresh raspbian stretch SD card.
Sorry if I can't get my meaning across well, I'm new to this and still learning.
I'm trying to set up my Pi as a sort of VPN gateway/router. I'd love to ...
1
vote
1answer
41 views
When socket programming on raspberry pi, getting ConnectionRefusedError
I am working on a simple project where I need two raspberry pi's communicating each other with an ethernet cable. I connect one end of ethernet cable to let's say first pi and the other end to second ...
0
votes
0answers
35 views
Send audio from one Pi to another Pi, and the “2nd” Pi working as bridge sending audio to next Pi
Send audio from one Pi to another Pi, and the "2nd" Pi working as bridge sending audio to next Pi and so on, each "2nd" Pi as a wifi router to the next Pi and so on also.
I want to make a low cost ...
-2
votes
1answer
39 views
how can i connect 4 LCD screen, 4 cameras and 12 led lights to a raspberry pi and can they work simultaneously?
I want to build a prototype for an intelligent traffic signal system for a four-way cross junction, hence I need to connect 12 led lights i.e. red, yellow, green and 4 cameras for taking input images ...
0
votes
2answers
48 views
Ethernet connection not detected if cable reattached
Let's say my rPi is functioning properly and has a working Ethernet connection; it has a local IP and I can connect to it.
I disconnect the rPi's Ethernet cable because I need it for another device ...
0
votes
0answers
30 views
Raspberry PI 3 B+ with 3G Pilot
Ive been trying to setup a 3G internet connection for my Pi using the Pi: PiloT.
I keep getting and ERROR on the minicom window when i run the command AT+XCEDATA=1,0, in order to start an IP session.....
