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Questions tagged [pi-3]

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

-1
votes
1answer
52 views

Raspberry pi with Yocto os sd card is not working with Raspbian os sd card

Few months ago,I built an custom image for Raspberrypi using Yocto Project,flashed it in a sd card and was able to boot raspberrypi.Presently,I am trying to use a different sd card with raspbian os ...
1
vote
1answer
66 views

same GPIO input signal on multiple raspberri's from one source

Im having 7 raspberri pi's 3 connected to 7 screens, running an python 2.7 app to download different images from google drive, every raspberry has different images. Geeqie is displaying those images ...
1
vote
1answer
120 views

Is it possible to run RDP on Pi3 running Win 10 IoT?

Has anyone been successful in running some sort of Remote Desktop session from a PC to a RaspBerry Pi 3 running Windows 10 IoT?
0
votes
1answer
28 views

Make Raspberry Pi to work as AP and Station to receive wireless temperature sensor values

Hi after reading the manual of Xbee device, I am able to use XBee device with raspberry pi. But how to make raspberry pi to work as an access point as well as the station at the same time? using ...
1
vote
0answers
29 views

Help - Incorrect reading of magnetic encoder

I am a beginner having trouble to read a magnetic encoder. I have found the following code I found that I am using in order to read the encoder values: #!/usr/bin/env python import pigpio class ...
0
votes
1answer
99 views

RPI 3B wlan0 wifi adapter broken?

My raspberry pi 3b (running jessie) fails to connect to wifi. It can scan the networks, and finds all nearby wifi SSIDs. When i try to connect and enter the password, nothing happens (credentials are ...
1
vote
2answers
94 views

wpa_supplicant.conf in raspberry pi 3

In order to have my raspberry pi access using ssh (on wifi) i Created a wpa_supplicant.conf file with necessary details Created an empty file 'ssh' My question was around security. Is it secure to ...
0
votes
1answer
32 views

sd card for secondary storage in I/O board using raspberry pi compute module 3

I have an I/O board with me using raspberry pi compute module 3. It has an sd card slot which is to be used for secondary storage. Can someone please help me and tell me how to access the sd card and ...
0
votes
1answer
63 views

What is machine id in Pi. Can we update it to some other id.?

I have burned Raspbian stretch os image in the card and have installed all the software I need in pi. I have then cloned this same image into other raspberry pi devices which I have and thus all 5 Pi ...
0
votes
1answer
47 views

Avoid overvoltage

I have a battery, that supplies 7.5V but the raspberry pi 3 can only handle up to 5V in the micro usb input. What would be the easiest way to handle this? I have a plus and a minus cable and no real ...
0
votes
1answer
48 views

Unable to ping all PCs inside company network

I am using RPI3 with raspbian and I have it connected to my personnal network via wifi (works fine) but I also connected it to company network with cable. Also I am new to RPi and Linux. So I have ...
0
votes
2answers
128 views

AttributeError: 'NoneType' object has no attribute 'send' pigpiod

So I create an another program that can run stepper motor clockwise and counter clockwise with a ramp up and ramp down in there and adding limiter switch on GPIO 16 and 26 to stop the pi....
1
vote
2answers
87 views

How to remove the transparency of the terminal background?

I have set up my Raspberry Pi 3, but the terminal has a completely transparent background. This means I can see the desktop which is very distracting. I've been trying setterm --background black but ...
2
votes
1answer
56 views

12V-to5V (3A) converter for car fuse box

I'm planning to setup a RetroPi (using Raspberry Pi 3) in my car with a direct connection to the fuse box with this 12V-to-5V (3A) converter module. The power requirements on the Raspberry calls for 5....
0
votes
1answer
90 views

Problems connecting to pi 3 via ttl (cp2102)

I'm following raspberrypi.org THE RASPBERRY PI UARTS guide, trying to connect from mac 10.13.6 High Sierra to Pi 3 using screen. I had to disable system integrity protection on mac (high sierra) to ...
0
votes
1answer
40 views

SSH over USB - possible with RPi 0 but not with RPi 3?

Although I see here and there that SSH over USB is not possible with RPi 3, it seems that SSHing over USB is possible for RPi 0. This seems weird to me. Do you (dis)confirm that SSH over USB is ...
1
vote
1answer
68 views

How to turn Pi into media centre

This is a new topic for me. I would like to connect my Pi 3 to the TV, and be able to watch shows through it. From what I've read OSMC must be installed. Is it correct that OSMC is an operating system ...
0
votes
1answer
57 views

pigpio library serial_wave confusion

I am trying to use joan's pigpio for python to try to write a command from a rpi3 GPIO pin to a peripheral device. the peripheral device uses UART and when it receives a data packet it will then ...
0
votes
1answer
368 views

Error install scikit-learn on raspberry pi 3

I used sudo apt-get install python-numpy python-scipy python-matplotlib python-sklearn for scikit-learn installation on rPi3 but an old version was applied! This old version installed (0.18) got ...
1
vote
2answers
43 views

Use Pi 3 B as external memory

I have a 3D Printer that I monitor with my Raspberry Pi, but I would like to connect the pi via USB to the printer so I can also use it as external storage for the printer as well. Is there a way I ...
3
votes
2answers
62 views

How the fluctuation in MPC3008 ADC unused channels is explained?

I am using mpc3008 in order to convert the analogue signal of two sensors, for a rpi3. The sensors are, the SEN0189 turbidity sensor and the SEN0244 TDS sensor. The code I am using is the ...
0
votes
0answers
15 views

Configure Pi to use a certain controller as default base on emulator

I have an arcade run on raspberry pi 3 flashed with RetroPie 4.4. I have 2 Xin Mo Dual joysticks connected. I would like to connected 1 more USB input controller and use it as a default controller ...
0
votes
1answer
71 views

I2C device (DS3231 RTC) not detected

I have a small DS3231 RTC module, like the following, that I am trying to get to work with my PI 3 Model B. However it is not correctly being detected by the Pi. Connected like so (ignore cables, ...
0
votes
2answers
42 views

Small pulses - DHT11 relay triger

I'd like to trigger my relay to turn on my lamp when the humidity level measured is greater than 85. Here's the code I've been using. import Adafruit_DHT import RPi.GPIO as GPIO import time sensor = ...
0
votes
1answer
259 views

Is Forticlient VPN available for Raspbian OS?

I have a Fortinet VPN server, to which I connect through FortiClient from my Windows 10 PC. Can I install FortiClient for Raspberry Pi Raspbian OS (when I do sudo apt install forticlient it does not ...
0
votes
2answers
59 views

Can I program my Pi to keep track of its own power usage?

I'm doing a university project using a raspberry pi 3 using , and I'm essentially making a time lapse camera. I have the camera module, and I've managed to take some pictures, but it would be good for ...
0
votes
1answer
50 views

requirement of running file after boot

I tried running two scripts on boot using below link. https://www.instructables.com/id/Raspberry-Pi-Launch-Python-script-on-startup/ One of the file just requires to open camera while other requires ...
0
votes
1answer
47 views

How can I attach a BTS7960 43A motor controller circuit and control it from a keyboard wirelessly through the Raspberry pi [closed]

I need to attach a BTS7960 43A motor control circuit to the Raspberry Pi. Could anyone please tell me the connections and provide me with a link to a python code to drive motors forward and reverse ...
-2
votes
1answer
38 views

Run a fan 5scs long GPIO

def fan_on(): GPIO.setwarnings(False) GPIO.setmode(GPIO.BCM) FAN_PIN = 23 GPIO.setup(FAN_PIN,GPIO.OUT) GPIO.output(FAN_PIN,True) This is my code to run a fan on my rpi via GPIO ...
0
votes
2answers
259 views

Is it possible to clone the SD Card to a USB flash drive and boot from it?

I have a new Raspbery Pi 3 B+ which actually boots from a 8 Gb SD Card. Now I want to toggle to a 32 Gb USB flash drive, so I wanted to clone the SD Card. I think it should work, but I can't succeed. ...
1
vote
0answers
77 views

Tor/VPN Router [How To Auto-Connect VPN After Tor Connected]

Dear Raspberry Stackexchange Family, Hope you are well and healthy. My name is Enes and i am living in Istanbul. As you know in my country everything is being enforced by brute force to people. Tor, ...
0
votes
2answers
73 views

Protect raspberry i2c pins with general ground connection with Arduino

I have connection like on the screen I have 12 arduinos. Each of them has one general 12V power supply. The problem is when i connect one of the Arduino supply (while all scheme works) Raspberry pi ...
0
votes
1answer
154 views

Car battery life with raspberry pi 3 model B

=> Raspberry pi 3 model B powered with car battery I have two questions : 1- How can I calculate car battery life ? 2- Is their negative impact for the start-up of the vehicle when I use his ...
0
votes
0answers
37 views

Python script (datalogger) produces different data when run from a separate script (button) to when it is run as itself [duplicate]

I've created a datalogger script that continuously records every rise and fall in a square wave signal (connected to pin 26 on a Pi 3B+) to a CSV file. The data recorded in the CSV is either a 0 or 1, ...
2
votes
0answers
27 views

Any issue with magnet too close to rpi?

I don't think this is an issue, but a search turns up nothing and I just want to be sure. I'm working on a project that involves a single speaker mounted approx. 2.5 to 3cm above a Raspberry Pi 3. ...
0
votes
1answer
104 views

Enable username and password for Screenly OSE

I modified the configuration file ~/.screenly/screenly.conf, where I added username and password in the section of the code below. 'auth': { 'user': '', 'password': '' } It is ...
0
votes
0answers
21 views

Configuring Raspberry Pi Face Detection and Espeak

I am working with a Raspberry Pi Face Detection program and Espeak to tell that Human Face Detected. I'm using Pi Camera for face detection. The face detection program works fine. But the problem is ...
0
votes
1answer
74 views

pigpio python serial wave output not correct

I am trying to use joan's pigpio to write a serial command on my Rpi 3 gpio 14(UART0TX).My goal is to write a command from the pi to another device. When i send the command i do not see the ...
0
votes
1answer
52 views

Raspberry Pi 3 GPIO pins always active

Wiring setup for Rpi: I have an rpi 3, and I've recently started experimenting with the GPIO side of things. I'm new to electronics in general, although I do computer programming regularly. I have a ...
1
vote
1answer
63 views

Weird output on python IDE terminal

I am trying to get my Pi 3 communicated with arduino but am getting output which i can't understand. My arduino code: char dataString[50] = {0}; int a =0; void setup() { Serial.begin(9600); ...
0
votes
1answer
361 views

How to start and stop python script using button

I've written some python code that should start and stop another python script (Datalogger) when a button is pressed. So when the Pi is booted up I'm wanting the button script to run and then once I ...
0
votes
1answer
42 views

Raspberry Pi3 Stretch unable to ssh after a short period of time

My RP connects via WiFi and I am able to ssh successfully. But if I close my terminal and try and reconnect to the pi after a short period it gives me a connection refused error. This wouldn't be an ...
1
vote
0answers
91 views

How can I pause a video of omxplayer with out using keyboard?

I am working on my project that can display video when a magnet (signal ) is detected using a hall-effect sensor. Then after, if the magnet is removed from the sensor the video has to pause (not to ...
5
votes
1answer
573 views

What are the differences between the the models 3B+ and the new 3A+?

The Raspberrypi Foundation just announced: New product: Raspberry Pi 3 Model A+ ... releasing the Pi 3 A+ as [...] one of our most frequently requested “missing” products. By the way, the ...
0
votes
1answer
29 views

Command from terminal and script on startup

Is it possible to run a python script as well as a command from terminal on startup? I have successfully executed the python script as mentioned in the link below. https://www.instructables.com/id/...
0
votes
1answer
29 views

Trouble getting picam to take a photo on boot (init..d method)

I want the camera on my pi (Rpi 3B+) to take a picture every time it boots up. I've read through several other questions of people trying to do similar things, but I haven't ever found the script that ...
0
votes
1answer
52 views

I don't know whether I have fried the I2C port on the Raspberry Pi 3 B

I am using a Raspberry Pi to send data to an Arduino Nano using I2C and it was working fine by just connecting the SDA, SCL and GND pins together from the Pi and the arduino. I then tried to get ...
1
vote
0answers
111 views

How do I pause a python program and then wait if no signal is received to a GPIO pin?

I'm developing a datalogger using a Raspberry Pi 3B+. I have 2 separate square wave signals connected to two separate GPIO pins and some code to record and store the date and time of each transition ...
0
votes
1answer
29 views

Raspberry Pi OS Double Window Icon (How to remove?)

I just got a Raspberry Pi, and installed the OS. I was fiddling with the task-bar when accidentally I made 2 identical windows (showed only on the task-bar) for each app that was opened. I've been ...
1
vote
3answers
444 views

Connecting to RPi from Linux with the ethernet cable without touching RPi

I have a Raspberry Pi 3 that runs on Raspbian and has SSH enabled. However, I don't have any monitor to connect it to (to set up WiFi connection), so my only chance to communicate with it is a basic ...