Questions tagged [connection]

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

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My Rpi can't connect again using Putty and VNC

I'm totally noobie in this area. I'm learning to use my RPi 3 model B. So at first I used it with my PC using tutorials in the web through Putty (SSH) and VNC viewer and everything worked fine. Then I ...
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3answers
27 views

How can I connect a Raspberry Pi 3+ with a MacBook Pro 2018?

I would like to access my Raspberry Pi via SSH and am not sure how to connect it to my MacBook Pro from 2018, given that it only has USB-C ports. My idea was to buy a crossover Ethernet cable and an ...
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37 views

Slow Network throughput of raspberry pi-4 [duplicate]

I have setted up samba server for NAS in my raspberry pi 4. The external disk is USB 3.0 and is working fine. sudo hdparm -t /dev/sda shows speed around 120 MBytes/s nperf also shows link of around ...
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SSH Connection refused on headless install, ssh file not deleted - tried everything?

I have the old Raspberry Pi B. I flashed the latest Raspbian Buster (headless version) using balenaEtcher (macOS). After that, I've connected the SD card again and created a ssh empty file on the boot ...
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22 views

USB-HID API on RPi Zero? Pro-Controller-Emulation on the RPi

So currently I wanted to connect the RPi to my Nintendo Switch to have it play a specific series of inputs. After some research I found out others have already achieved that, but on Teensy & co ...
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26 views

Raspberry PI 3 B+ with 3G Pilot

Ive been trying to setup a 3G internet connection for my Pi using the Pi: PiloT. I keep getting and ERROR on the minicom window when i run the command AT+XCEDATA=1,0, in order to start an IP session.....
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1answer
40 views

WiFi Connectivity Issue

I have a Raspberry Pi 3 (Model B). I want to use it as a terminal to operate a CNC machine as it has a Web Interface (Duet WiFi). I just need something with a browser and internet connection. I first ...
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Raspbian 9.9 Stretch - Network is unreachable

I have pihole(with DHCP server enabled, router DHCP server disabled) and SMB running on my raspberry pi, and my network interfaces are acting rather strange. From my raspberry pi, I can ping my router ...
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Remmina unable to find address of RDP server https [closed]

I am a newbie to Linux and Remmina. Just got a Rasberry Pi 4 with Rasbian and trying to get away from Windows. I do have to connect to an https: windows server via RDP and I am not sure how to do this....
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Windows how to share mfc-7360n printer to Raspberry Pi 3 with cups

Brother MFC-7360N printer connected via USB to Windows 10 computer. Both Windows and Raspberry Pi are on the same local network. Raspberry Pi needs to be able to print to this printer. Followed these ...
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1answer
30 views

Share WiFi from Raspberry Pi 3 B+ to iPhone

I want to share the WiFi from my Raspberry Pi 3 B+ to my iPhone but I don't know how. How can I achieve this?
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2answers
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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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64 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 ...
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2answers
160 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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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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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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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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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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21 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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31 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 ...
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1answer
76 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 ...
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2answers
117 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
132 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 ...
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1answer
30 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) ...
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1answer
245 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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67 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 ...
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1answer
49 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 ...
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1answer
78 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 -...
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2answers
127 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 ...
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1answer
32 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/...
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29 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 ...
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1answer
40 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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82 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 ...
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1answer
46 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 ...
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2answers
69 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/...
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0answers
341 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
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2answers
453 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 ...
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0answers
268 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
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1answer
145 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/...
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2answers
144 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 ...
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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....
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3answers
4k 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
173 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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1answer
53 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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230 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
36 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 ...
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2answers
103 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
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1answer
35 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 ...
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1answer
69 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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2answers
582 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 ...