Questions tagged [connection]
A connection describes a link between two systems where data can be exchanged.
241
questions
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21 views
ssh in local LAN: works with IP, but not by name
On a local LAN, I am trying to ssh into a freshly installed Raspberry Zero WH, by host name. I am connecting from an Ubuntu box.
The Rasbperry Pi does boot, and connects to the Wifi. I can see it in ...
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0answers
61 views
Should I buy a pi zero with my Pi 4 4GB
I am buying a raspberry pi 4B with 4GB of ram and I was wondering what the connectivity between raspberry pi 4 and Pi Zero is like?
Do they communicate well? and what software do you suggest?
Is ...
2
votes
2answers
47 views
Raspberry Pi 3B+ BLE peripheral : Android can't retrieve services list, OK with iPhone and Win10
I try to make a Raspberry Pi 3B+ act as a BLE peripheral.
I downloaded latest version (5.50) of bluez stack here : https://git.kernel.org/pub/scm/bluetooth/bluez.git.
I execute provided examples in /...
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0answers
16 views
Client can't connect to pivpn
I have a custom setup and wish someone could help.
I have a main router(R1) and a secondary router(R2). I will refer to main router as (r1) and secondary router as (R2). (R1) is used for home ...
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0answers
25 views
Can't SSH into raspberry pi 3 A+ when connected to router
In my Office, we have a network domain. On this network, we have a router that is connected from the network to the router using Ethernet (duh). My raspberry pi 3 A+ is connected using WiFi to this ...
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0answers
14 views
Extremely low connection to my projects from WAN
I own a Raspberry 3 b+ connected by WiFi. I'm storing my Codeigniter (php) projects there, but it takes a very long time to load any of these projects from WAN.
I'm using NO-IP to access the ...
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0answers
17 views
How to attach two raspberry pi zero w together with sepatate independent displays?
How do I attach two raspberry pi zero w's together with sepatate independent displays to function as "one computer with extended display on two panels"?
The two displays are HDMI with usb touch (7 ...
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0answers
17 views
PiVPN on Mobile Device - Wifi Drops and the Phone Reverts to 4G [closed]
I recently installed PiVPN. Although it works, I have noticed that after about 20-30 seconds of 'screen off' time, the phone's connection will drop from wifi to 4G. This only happens when I am using ...
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0answers
28 views
Build/Buy 128 Button Matrix
I want to build a system where roughly 100 Buttons can be pressed and start a specific command. Pricecly I want to digitalize a good old Piano, at least as good as possible. As far as google led me ...
0
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1answer
38 views
Cannot ping Raspberry Pi 3 b+
My Raspberry Pi 3 b+ will not allow me to ping it even though I've ping'd and ssh'd into it plenty of times before now.
I can ping my main computer from the pi but not the other direction.
ping ...
1
vote
2answers
83 views
The best way to conect to my Raspberry Pi Zero W by MAC address?
I want to know the best way to connect my RBP by wifi using the MAC Address.
I currently use sudo nmap -sn 192.168.0.0/24 and obtain this
Nmap scan report for 192.168.0.114
Host is up (0.025s latency)...
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2answers
102 views
Programming a Raspberry over SSH or Wifi?
So I am planning to host a discord bot on a raspberry pi zero w and I do have a spare monitor( for the programming part), but the monitor wouldn't work when I plug it in and I also don't have one of ...
0
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1answer
27 views
Connection via Ethernet to Windows
I'm having an issue with creating a direct connection with RPi 3 B+ and Windows laptop (to use as interface with RPi for first time set-up).
I formatted the microSD card to FAT32 (Master Boot Record) ...
0
votes
1answer
127 views
Problem with auto pair a Bluetooth device
https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/test/simple-agent
I tried the Above Python script but getting a dialogue box 'Pairing Requested'. How to remove that dialogue box?
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1answer
45 views
Raspberry Pi and localhost Connection
So I'm currently doing a project using Beacon and Raspberry Pi.
The raspberry pi collect the UUID and RSSI of the Beacon and send it using socket.io to the server ( localhost-my computer) to save it ...
0
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1answer
41 views
Connect raspberry pi to an iphone app without port forwarding
For our capstone project, we have a python code that is supposed to detect the presence of a tile beacon, then we want that program to communicate with an iphone app built with swift letting it know ...
2
votes
1answer
59 views
Raspberry PI Laptop Ethernet Connectivity Issue
I setup my headless Raspberry PI and called it Optimus. I connect my Windows 10 desktop machine to the Raspberry PI via an ethernet cable. If I ping optimus.local I get a response and can SSH into it -...
2
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2answers
120 views
How can I stay connected wirelessly online but also set the ethernet to a set ip address to connect to a piece of hardware
I am currently working on Raspberry Pi 3B+ (Stretch 9) and I have been stumped on how to be connected online wirelessly while also having my LAN port configured to receive and send data via a ...
0
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1answer
30 views
raspberry pi zero w TWO wi-fi connections 1)dhcp 2)static
hello I need that my Pi automatically connect to wi-fi's
1) At home (by dhcp)-easy
2) at work (static IP DNS router)-don't know how
it's extrimle easy to do that on armbian by configs /etc/...
0
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0answers
26 views
Using Raspi to spoof a site
I'm trying to make my RasPi to spoof sourceforge.net (referred to in the rest of this question as sf.net), because my phone has an app that connects to sf.net to download additional files, but fails ...
1
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1answer
34 views
How to connect two raspberry pi zero w's to ond HDMI display
Has anyone successfully connected two raspberry pi zero w's together to one HDM1 touch display (7" for example)?
Any tutorials available for this?
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0answers
67 views
Connecting Computer without Internet to raspberry with Ethernet and send Information via MQTT
I'm trying to connect a Pc without internet with a Ethernet Cable to my Raspberry and want to send informations from the Computer to the Raspberry via MQTT. I searched trough the internet but ...
0
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1answer
44 views
Wiring on RPI3 when connecting two peripherals - microcontrollers simultaneously
I am currently having an ADC(MCP3008) connected to a rpi3, using the following wiring map, in order to read data from analog sensors.
MCP3008 -> RPI3
VDD -> 3.3V
VREF -> 3.3V
...
0
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2answers
63 views
Is this Solenoid Connection Correct?
I'm new to this Raspberry Pi.
I'm trying to build this project: https://www.hackster.io/hitherejoe/braillebox-braille-news-reader-e86060
But the circuit diagram in it: https://hackster.imgix.net/...
5
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0answers
260 views
connmanctl having problem with complex passphrase
The built in WiFi module seems to work fine, as it can connect to both of my open networks I created for testing, i.e. the 2.4GHz, and the 5.0GHz ones.
If I set a simple passphrase (i.e. contains ...
5
votes
2answers
317 views
How can I replace Raspian SSH host keys if I can't login to pi? (“connection refused”)
After configuring a new Raspberry Pi Zero W, I have not been able to ssh into it over WiFi. The IP address is assigned and pingable, but I get 'connection refused' errors.
After some research, I ...
2
votes
0answers
196 views
How to connect CMOS image Sensor to Raspberry Pi
I'm wondering if it would be possible to take an image sensor out of an old camera and plug it in to a raspberry pi via the csi connector. For Example would it be possible to take one like this from ...
2
votes
1answer
94 views
Raspberry Pi: Unable to access or ping after reconnecting any device to the local network
I have a raspberry pi that is connected to the network with DHCP.
When I start it, I can ping it and connect to ssh through wifi.
The issue is when I diconnect the device that I am using (my pc/...
0
votes
2answers
107 views
Programmatically SSH into pi on local network without looking up IP-Address beforehand?
I have a pi in my local network, and I sometimes want to connect to it via ssh. However, the pi always has a different IP-address, so I look it up beforehand each and every time. Is there a way for me ...
0
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1answer
2k 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....
4
votes
3answers
2k 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 ...
0
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2answers
118 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 ...
1
vote
1answer
52 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 ...
0
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0answers
175 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 ...
0
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1answer
35 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
96 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 ...
2
votes
1answer
31 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
votes
1answer
63 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 ...
0
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2answers
459 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
vote
1answer
63 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).
...
2
votes
1answer
4k 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 ...
2
votes
1answer
489 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
votes
1answer
116 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 ...
0
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1answer
469 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
2k 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
1k 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
661 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. ...
0
votes
1answer
100 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 ...
0
votes
2answers
191 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
votes
2answers
125 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 ...
