Questions tagged [pi-3]
For questions that apply specifically to the Raspberry Pi 3 and not other/all models.
0
votes
0answers
6 views
Serial commands over Ethernet RPi 3b
I am trying to send LinBus protocol serial commands over the ethernet port of my Raspberry pi to a linear actuator connected on the other end via ethernet.
Currently, I am using pyserial script to ...
1
vote
1answer
10 views
Unable to use tor for all traffic directed through Raspberry Pi 3
Before all of this, I wanted to make my raspberry pi a wireless access point so that all traffic is anonymous through tor.
I currently have Raspberry pi 3 b+ and I installed Raspbian freshly. Pi 3 B+ ...
1
vote
0answers
14 views
Can you get minetest 5.0.0 on the raspberry pi 3 b +?
I use minetest 4.17 on the raspberry pi and all the games are updateing, I really want to find a way for 5.0 to work on the pi, please help me!!!
0
votes
0answers
17 views
Send Numbers from PC to raspberry Pi [on hold]
I want to send the output of a python code (running on the PC) to the raspberry pi and use these numbers as input for another code(running on the Raspberry). Any help on how to do this would be ...
1
vote
0answers
10 views
CAN bus read on RPI3
I have 10 CAN IDs on the bus and would like to read all the 10 IDs every 0.1 seconds. I was able to write the code below but it shows me one message only.
import can
bus = can.interface.Bus ("can0", ...
1
vote
1answer
26 views
Python button double press
I'm about to start building a wireless custom doorbell system using pigpio. It is a three piece system that I will be making. The front doorbell which will communicate via two scripts to two different ...
1
vote
1answer
21 views
Python Can bus read every 0.1 seconds
I have been trying to write a code that would allow me to read all the data on the CAN bus every 0.1 seconds. There are 10 messages on the bus that are being sent every 0.1 seconds from another RPI3. ...
0
votes
0answers
30 views
Can't run a command using Raspi_Runner
I've setup Raspi_Runner to auto run commands reading from a text file every x minutes. Raspi Runner is a BASH script which runs all your scripts delivered by e-mail. It works good with commands like ...
2
votes
1answer
44 views
Can I run Pi-hole and other applications at the same time on one pi?
I never had a Pi before and want to get me a pi-hole for my network.
Is it possible to run pi-hole on a pi and some other applications like:
That one that emulates chromecast? MiracleCast?
Something ...
1
vote
0answers
16 views
Raspberry Pi Qt toolchain on Ubuntu 16.04
I have issues creating a tool-chain for cross compiling Raspberry Pi 3 Qt applications through Ubuntu. I used directions from this guide, https://wiki.qt.io/Raspberry_Pi_Beginners_Guide, to help me ...
0
votes
1answer
23 views
Unable to Ping to / from PC to Pi 3 B+
I have similar issue as mentioned
in below link
Raspberry Pi 3 B - no ping from Windows Computer on LAN
The pi model is 3B+ and have installed latest NOOBS from the below
https://downloads....
0
votes
1answer
32 views
File transfer between raspberry pis via GPIO pins
I'm trying to send image(3MB) captured by one pi to another pi, external WIFI or setting up one pi as AP is not possible due to strict regulations, all I can use are the two wires.
Currently I'm ...
3
votes
1answer
44 views
Controlling a High Power 13V DC Motor with in-built Hall Effect sensor
I am a beginner with electronics and RPi.
I have a Brushed DC Motor that runs at a constant 13V and draws about 4-5 A while running and about 18-20 A at stall. It also has a single Hall effect sensor ...
1
vote
1answer
17 views
My Access Point isn't working, could I get some help?
I went through a tutorial on thepi.io. However, my AP isn't showing up or not working. I ran the:
sudo hostapd /etc/hostapd/hostapd.conf
then it came back as:
failed to create interface ...
0
votes
1answer
35 views
Ubuntu MATE Pi not connecting to monitor?
I just flashed a MicroSD card with Ubuntu MATE. I booted up my Pi 3 Model B with it and the monitor is just showing a black screen. The monitor looks like it is connected to the Pi, because it is on ...
4
votes
2answers
524 views
How many serial ports are on the Pi 3?
How many serial ports are on the Pi 3? There is one on the GPIO pin that goes to ttyS0. Is there a separate one for USB? I have read somewhere about /dev/ttyUSB0. Is that a separate serial port?
...
0
votes
1answer
31 views
How do I can connect to static IP eth0 through wlan0
What I want to do :
Device A (PLC, static ip=100.10.10.11)
|
| eth0 connection
|
Device B (raspberry B3, Rasbian lite)
|
| wlan0 (wi-fi) OR USB to Network ...
0
votes
2answers
36 views
How to send a file to RasPi from different computers?
It is first time for me working with RasPi.
I would like to send a file (if possible via mail in the form of attachments) to my RasPi, from one/more computers (which are connected via Wi-Fi).
Is it ...
3
votes
2answers
222 views
I want to run a Python 3 script on startup and in an endless loop on my Raspberry Pi
I have created a smart vending machine using my Raspberry Pi. For now, I open the Raspberry Pi using SSH and run the script manually for every transaction.
I want to automate the process and run the ...
1
vote
3answers
44 views
How to add text file to Raspberry Pi folders' directory without opening the operating system
I need to add a text file to any raspbian folder but without opening the OS.
I tried as follows:
I inserted the SD card in my computer.
I sent the text file to the SD card.
I found the file in the "...
-5
votes
0answers
25 views
Scada for Raspberry Pi - prices? [closed]
Do you have any experiences with SCADA solutions for Raspberry Pi? I want to find optimal solution, where is balance between number of tags, stability, functionality and price. Let me know, if you ...
2
votes
1answer
32 views
Normal Work of RPi 3B+
I am newbie and i want to understand watching only on indicators, is Rpi 3 B+ work quite well?
I mean, are green and red lights should glowing both permanently together or red light can glows ...
-1
votes
1answer
54 views
Raspberry Pi at scale, how to get unique id that can be read from software and hardware
We are going to adopt Raspberry Pi in our products, this means the RP must associate with unique product. Given that RP does not have any printed serial number on its board, How one can get any unique ...
0
votes
2answers
31 views
raspberry pi 3 with GPS HAT, status code (data is void)
Hello I'm new in python and raspberry, today I try to run a script take in 'https://www.rhydolabz.com/wiki/?p=18639#comment-47045'
But I don't have a valid data in my status code.
The code :
#...
1
vote
0answers
17 views
DS18B20 temp sensor works on Pi 3B+ but not Zero W
I have a breadboard prototype working with a cabled (waterproof and regular temp) DS18B20 sensor and a AM2302 sensor on a 3B+. All is well with it recording at a set interval from each sensor. I'd ...
1
vote
0answers
18 views
Issue with controlling GPIO via Flask web app
I am currently building a project in which I am using a Flask web app to control various different components with the pi's GPIO. The issue i am currently having is stopping the execution of code that ...
0
votes
0answers
32 views
My Raspberry Pi Flask server stops responding
I have a Raspberry Pi 3. On my Raspberry Pi I have a Python script that initializes a Flask server, the Python script returns some basic JSON. The Python script is initiated on boot using process ...
0
votes
1answer
31 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 ...
1
vote
2answers
43 views
Got 3 heatsinks with my raspberry pi?
I got 3 heatsinks with my raspberry pi 3 B+ which was ordered via my school. I got 2 small ones (both the size of the Ethernet chip) and a big one(size of SoC). So far websites always tell me to put ...
0
votes
0answers
28 views
How can I install java on a raspberry pi running kali linux
I am trying out kali Linux on my raspberry pi for the first time, and I am trying to install java, as I use it a lot on my pi. I didn’t want to give this up because of my new os. However, when I try ...
1
vote
1answer
49 views
Rasp pi 3 reliability - automatic updating a problem?
I have a pi 3 with Android Things that I use to control an irrigation system. It connects to wifi, gets the weather forecast and controls the irrigation valves based on the weather info. It runs ...
0
votes
0answers
27 views
Daily Deviation Picture Frame on RPi
This guide, Raspberry Pi - Daily Deviations Picture Frame, seems to be not working anymore. I tried different methods and it seems that the code in getting images from Deviantart daily deviations ...
1
vote
0answers
24 views
How to install Couchbase onto a Raspberry Pi 3
I am making a discord bot, and I want to use Couchbase as my Database option. (So I can get some practise on it, since work is switching to it)
However, Couchbase does not officially target the ARM ...
1
vote
1answer
20 views
NetworkManager not working on properly RasPi 3
I'm testing NetworkManager using 2 keyfile:
one keyfile for the wired connection and one keyfile for the wireless connection.
The setup works great on Raspberry Pi 1 and Raspberry pi 2.
On ...
0
votes
2answers
34 views
Mac address of my raspeberry Pi 3 keeps changing after every reboot
Everytime I restart my raspberry pi the Mac address changes. Due to this, while connecting remotely I have to hunt for its new IP.
1
vote
2answers
58 views
What is the best way to copy the whole rasbian image?
I want to create a copy of my current raspberry pi image with all the data and programms so that I can flash it on another sd card and run it from there.
I have following problems:
For some reason ...
1
vote
1answer
28 views
How Can I connect 5 flex sensor in a raspberry Pi
we are making a glove based on 5 flex sensors. The problem we are facing is that flex sensor transmit data in analog version while Raspberry pi 3 receive only digital data.if we are using ADC ...
1
vote
1answer
28 views
Pi 3 Stretch - wlan0 and eth0 with wlan0 wan-interface
I need to set up my Pi3 running on Raspbian Stretch so that on boot it will enable both interfaces, routing all WAN traffic through wlan0, because on eth0 there's just an old network printer waiting ...
-1
votes
1answer
73 views
Python 3.7 takes 3 minutes to start
On Raspbian lite Stretch with a compiled python3.7.3 a python program takes 3 minutes to start the first run. Second and subsequent runs start almost immediately. (3 minutes measured from the ...
1
vote
0answers
14 views
Raspberry pi digital signage [closed]
I am a newbie to the world of raspberry pi. I would like to display images as a slideshow on a screen connected to multiple raspberry pi. ( This is for the purpose of setting up electronic notice ...
1
vote
1answer
26 views
Recovery mode doesn't accept sudo commands
I was trying to fix the kernel panic-not syncing, in this case the number is (179,6) using this guide Kernel panic-not syncing: VFS: unable to mount root fs on unknown- block(179,6) running Raspbian ...
1
vote
0answers
20 views
Quiet boot on raspbian buster
I am trying to hide boot up messages on my raspberry PI. I upgraded it from the stock raspbian image to buster via this guide: https://gist.github.com/nickfox-taterli/fcddd0ac724ec066b51f8e777800fea2. ...
0
votes
0answers
13 views
Casting PDF files onto raspberry pi
Is there a way I can cast PDF files or ebooks(.epub) files into raspberry pi from my phone.
There was no option in raspicast for casting documents.
2
votes
1answer
23 views
Pi 3B addressable physical memory
Using valgrind, I have found a program (written by co-worker) receives a bus error:
Non-existent physical address at address 0x4859008
This had me wondering how physical memory was mapped. I read ...
1
vote
0answers
16 views
Can we do zoom-in and zoom-out while video is live streaming? by using raspberry pi camera?
Can I do zoom-in and zoom-out, while live streaming the video using the raspberry pi camera? Is there any python code to do so? I am unable to zoom the video while live streaming. Please help me with ...
0
votes
1answer
44 views
Raspberry + Fedora, wrong CPU load average
For some reason, my "top" command is showing wrong cpu load average. Like 100% cpu usage everytime, but, in fact, the cpu is 100% idle.
It's a Raspberry 3, running Fedora 28. CPU temperature is below ...
0
votes
1answer
22 views
Can't see my Pi on the connected devices on my phone anymore
I'm a complete beginner concerning the Raspberry Pi. I have an Pi 3 model B and I was working on an RFID project. Everything was working fine until I wanted to power off my Pi with sudo halt to do ...
1
vote
1answer
42 views
Error installing packages on Raspberry PI 3
When I'am trying to install packages I am getting error: The value 'jessie' is invalid for APT::Default-Release as such a release is not available in the sources
cat /etc/debian_version
9.8
cat /etc/...
2
votes
2answers
37 views
SSH Raspberry Pi from other local network
We have set up a Raspberry Pi as a honeypot using honeypi. Now it is in a different network with a firewall in between with static NAT configured. It is possible to ping the Raspberry Pi but SSH does ...
1
vote
0answers
22 views
How to connect/link two raspberry pies for video precessing?
i am fairly new to raspberry pi platform so this question may be too basic. I am working on a project where i need at least 2 camera modules for simultaneous video recording and processing and taking ...
