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A connection describes a link between two systems where data can be exchanged.

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1answer
32 views

Wifi Not Working with Ubuntu MATE 16.04 and Pi 3b+

I was able to get Ubuntu MATE to finally run on my Pi 3B+ after following this tutorial: https://www.youtube.com/watch?v=tdJrd75_068&lc=z234tvgocvmqyzb5a04t1aokgml1ll00iwv1gbnt2da0rk0h00410....
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0answers
24 views

Problem with WIFI Dongle D-link DWA-121 ID 2001:331b

Guys i've some problems with my wifi-dongle DWA-121, i've installed the driver module 8188eu and i can't get any ip address on my wlan0 interface. The wpa_supplicant.conf files and interfaces seems ...
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3answers
46 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 ...
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2answers
44 views

How to change the wifi setting if not able to connect to device

I forgot what was wifi setting of my respberry -3. I want to connect that, but my device is not connecting to the wifi. Is there any way I can change the wifi setting of my device. I am able to mount ...
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0answers
19 views

VNC NOT CONNECTING

VNC server is not working on rpi.It was working fine few days ago. But it no longer connects to server, I tried diagnostics and have this error, note that internet is working on browser of rpi with no ...
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1answer
31 views

Can't connect via SSH to RPi2

I have searched for old topics but I can't find anything that could solve my issue. I have installed Ubuntu MATE on SD card and created the ssh file on the boot\ directory. I connect the RPi2 ...
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0answers
51 views

Connect RunCam to raspberry pi

Just recently I got RunCam micro swift 3 (https://www.runcam.com/download/MicroSwift3-Manual.pdf) for computer vision project. However, I am struggling to understand how can I connect it to Raspberry ...
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0answers
28 views

Error connecting to Raspberry Pi 2 using xrdp

I have Fedora 28 MATE installed on a Raspberry Pi 2. I have xrdp installed and started/enabled on the pi, and have opened port 3389/tcp in the default firewalld zone. I am trying to connect to the ...
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1answer
28 views

Control Motor via Raspberry Pi connected to a Laptop (running code via PyCham)

currently working on a project with detecting objects via a Camera Module and controlling motors based on the camera detection (if object is in sector A, move motor B down, etc.) using Python. The ...
1
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2answers
52 views

Device discovery without wifi [closed]

In systems like Alexa or Sonos, the mobile app asks for location access and from there it tries to find the device. After that one is prompted to enter the wifi details and attach the device with the ...
1
vote
1answer
18 views

Raspberry Pi ZeroW - i can't acces from mobile (android)

I configured apache2 + php7 on Rpi Zero W, and I can access to the webserver using my PC by enter ip address of Rpi - but if I try to do that from mobile it fails... Raspberry and phones are ...
0
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1answer
13 views

At what instances do we use the Board mode and BCN mode in Raspberry Pi?

I know about the two modes of working in Pi using python, Board and BCN. However, I am really confused as to the instances or situations where I should use them. An example demonstrating their use ...
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1answer
118 views

Off grid communication

Over the last couple of weeks, I’ve become interested in off-grid communication, and I am currently looking into creating a simple communication protocol wherein multiple raspberry pi’s are able to ...
1
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1answer
56 views

Raspberry Pi controlled remotely by LAN but using alternate internet connection

My Windows laptop connects wirelessly to a LAN (with internet). My Raspberry Pi 3 B+ is wired to the same LAN. I can control the Pi from the Windows laptop using AnyDesk (remote desktop software). ...
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0answers
42 views

Pi Does not respond to SSH and ping wireless commands

Rasp. Pi Model B: Does not respond to SSH and ping commands via router. Always have to reboot physically by unplugging power cord USB and plugging it back. Any suggestions on how it can reboot locally ...
2
votes
1answer
690 views

Clients cannot connect to pivpn server anymore

I have been using and enjoying pivpn for nearly a year now. I am running pivpn and Pi-hole on the same RasPi without issues until now. Recently I have not changed anything besides the occasional apt ...
1
vote
1answer
131 views

Raspberry pi not detected using direct Ethernet connection

I am unable to use a IP scanner to find my raspberry pi when directly connected using Ethernet. (it worked like 1 month ago) If i connect my rpi into my router and which is then connected to my pc ...
0
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1answer
48 views

Setting up the Raspberry Pi for the second time and WiFi detection issues

I am a beginner. When I bought my Raspberry Pi 3B a week ago, I was told that they had already applied a set-up. I didn't know what it meant and I followed a tutorial to set-up the Pi for the second ...
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1answer
211 views

How to SSH Raspberry Pi from outside local network

I know this question has been asked many times but I could not get it running so I decided to ask it here. I have a Raspberry PI running on my local network which I can easily SSH it through my ...
2
votes
1answer
652 views

Connection to MySQL database does not work

I have two Raspbery PI 3 which I have installed (almost) identical. The configuration of /etc/mysql/mariadb.conf.d/50-server.cnf is identical for both Raspberrys. Problem: I can only connect to the ...
1
vote
2answers
498 views

wpa_supplicant connects to wifi but gets no ip

we are facing a weird issue. Basically, wpa_supplicant tries to connect to wifi network, and apparently succeeds, but it can get no IP address. We are using a Raspberry Pi Zero W to generate an ...
4
votes
1answer
266 views

Not able to connect using Windows Remote Desktop Connection

I'm trying to connect pi using Remote Desktop Connection in windows via Ethernet. But it's not detecting. Also in network connection center ethernet is connected but showing as unidentified network. ...
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1answer
53 views

Using Raspberry pi as I/O Board over the Network [closed]

I was trying to set up Jasper on my Raspberry Pi. While the programm was running fine I wasn't quite pleased with the performance. So i was thinking to run Jasper on a more powerfull machine and the ...
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2answers
99 views

Raspberry Pi: Automatic wifi connect without entering SSID, password

I am working on a project in which the Raspberry Pi kit will be shipped to the customer site. However, I am stuck at the question how to get the kit online, so that it can communicate with the ...
0
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2answers
89 views

To what pins should I connect 4 digits 7 segments display? [closed]

My display model is: 5641BH with common anode. It have 12 pins. 0.56" THT. Power range: 5 - 10mA (max 20mA) I have Raspberry Pi 3 model B. + T-Cobbler Plus. How the hell connect this thing.. In ...
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0answers
74 views

RasPi not reachable from Android phone

I've been strugling with this problem for quite some time now, and i'm at my wit's end. I don't even have any idea what i could try to be looking for. I have a raspi running with raspbian lite and ...
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0answers
461 views

OBD II Bluetooth Connection

I'm trying to connect an OBD II(ELM327) bluetooth adapter to my Raspberry Pi 3 for one of my projects but it keeps failing everytime I try it. I have the Raspbian updated software. I made a C ...
0
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1answer
177 views

Raspberry Pi3 Jessie will not reconnect after ethernet cable re-plugged

My Pi3 running Jessie loses connectivity after unplugging and plugging back the ethernet cable. It's literally driving me crazy. Hope you could shed some light here. Wifi is disabled in /boot/config ...
2
votes
1answer
2k views

Using /dev/rfcomm0 in raspberry pi

I have paired two android phones to the Raspberry Pi 3. However when I attempt to execute a file it gives me the error: [Errno 2] could not open port /dev/rfcomm0: [Errno 2] No such file or directory:...
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vote
1answer
239 views

Bluetoothctl connect TIMEOUT exception

This is the error I am getting when I connect to my mobile phone using the connect method in this documentation: https://gist.github.com/egorf/66d88056a9d703928f93, raise TIMEOUT(msg) pexpect....
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0answers
167 views

How to solve libreelec on raspi3 kicking me out of wifi on other devices

I'm running libreelec (only openelec tag exists so far) on my raspi3 and am really happy with it. Via yatse app I can control it using my smartphone. Unfortunatelly I'm often kicked out of my wifi on ...
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1answer
1k views

Enable Ethernet tethering with LibreELEC

I have my Raspberry Pi 3 connected to my WLAN with the on-board chip. Now I want to connect my TV's Ethernet cable (it does not have WiFi) to the RPi3 to connect to the Internet from my TV (Ethernet ...
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2answers
30 views

When connecting the sense hat using jumping wires, do I need to connect to a ground pin?

I want to connect the sense hat to a raspberry using jumping wires. I understand that I need to connect the highlighted pins in this schema of the pin out. But do I also need to connect wires to a ...
0
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1answer
1k views

Send audio from one Pi to another- Same network

Beginner here. The Goal: Send audio source from one Pi to another over the same network. Both Pi's will have a static IP and will be locked onto each other. I've attached a diagram for ...
0
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1answer
26 views

Rpi3 tethering with mobile phone

I would like to give an internet connection to my rpi3 no matter where I am. I have no screen and no keyboard for my rpi3, but I can modify the sd card in my computer. I saw a lot of thread where ...
1
vote
1answer
456 views

How do I connect this anemometer to a Raspberry Pi? [closed]

I want to connect an anemometer to my Raspberry Pi 3. I'm trying to use the Maplin N25FR Wind Speed Sensor. How do I connect it to my Raspberry Pi? I found this picture online, but I don't ...
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0answers
521 views

Cannot SSH into raspberry pi zero v1.3 over usb, “ssh” file keeps getting deleted

I have put the November 2017 version of Raspbian Stretch onto a micro sd. I created an 'ssh' file under boot, put dtoverlay=dwc2 in 'config.txt', and put modules-load=dwc2,g_ether in cmdline.txt. I ...
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2answers
2k views

Connect to Raspberry Pi 3 without ethernet and keyboard

I have a Raspberry Pi 3 without any monitor, keyboard or even LAN cable. I only have a laptop with Ubuntu. Can I connect to Raspberry Pi 3 via wifi+SSH without ethernet? I do not know the IP of ...
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0answers
45 views

Raspberry pi one as vpn router

I have a router that is connected to a modem. All connected devices have internet access through the router. I would like to connect a raspberry pi (version one, model B) to this network via cable, ...
0
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1answer
338 views

RPi-iOS communication over WiFi

Here’s my plan: have a python script running hardware pwm code for a brushless motor im using. The idea is to have an iPhone have an app where 1. The python code can be interacted with to adjust a ...
0
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0answers
23 views

Can view stream when a surveillance system using motion is connected through ethernet and router, but not on mobile wifi hotspot

I followed a walkthrough, set up Motion 4 on my raspberry pi 3 model b, and connected a usb webcam. When I ssh into the Raspberry Pi while it is connected to my ethernet port of the router, I can see ...
1
vote
1answer
599 views

How can I connect to my Raspberry Pi 3 over SSH in this scenario?

I have a new Raspberry Pi 3 B 1.2 and I am trying to SSH into it. I don't have a monitor or an HDMI cable. I have already etched the img file with Raspberry Stretch onto a 64 GB SD card using Etcher....
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2answers
420 views

Controlling robot using raspberry pi 3 WiFi with no server, no web, no internet

I want to build a mobile robot with android as a controller from long range, I think it's best to connect using wifi, not a bluetooth because it's too short range. My problem is "how to connect my ...
0
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2answers
99 views

How to interface to a Pi without knowing its IP or having a large HDMI monitor?

I wish to access a RPi's shell, but I do not wish to lug around some big display and ideally 120 volt power wouldn't be required. A Linux or Windows laptop are acceptable or maybe some other typical ...
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2answers
213 views

How do I connect an S beam load cell to a raspberry pi 3 and then to my Laptop?

I am a university masters student who is currently working with a group of mechanical engineers to built a tabletop tensile and fatigue testing machine. To measure the forces being applied to a sample ...
0
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0answers
318 views

Extend WiFi range of build in access point

We're using our Raspberry Pi 3 to control some music and lighting over it's access point with a smartphone - completely offline, on a handcart. Now we have connection problems when we're getting to ...
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0answers
79 views

SATA/USB-connected drive is sometimes not recognized on rpi

I use a sata/usb converter to connect a Samsung drive to the rpi. It is often not recognized at system start. The drive is recognized without problems when I plug the USB into my ubuntu laptop. I ...
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2answers
174 views

Raspberry Pi ssh with laptop using putty

How to find whether the ssh port is open and RaspberryPi have sshd running or not?
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2answers
4k views

Raspberry Pi Zero W can't connect to WiFi through desktop environment

I have a Micro SD card with 2017-08-16-raspbian-stretch on it. I confirmed that the cards content matched the img file exactly. Now I put the card into my Raspberry Pi Zero W and connected hdmi, ...
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3answers
519 views

RPi2: Python requests fails for https (Errno 101)

I'm trying to make my first web scraper and keep getting errors for https URLs but not http. I am running Python 2.7.9 on RPi2 with Raspbian Jessie. I am also SSHing into the Pi on my laptop. All of ...