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Questions tagged [pi-3]

For questions that apply specifically to the Raspberry Pi 3 and not other/all models.

0
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 ...
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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 : #...
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 ...