Questions tagged [connection]

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

93 questions with no upvoted or accepted answers
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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 ...
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550 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 ...
3
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0answers
955 views

Unable to shutdown Raspberry connected to UPS

I'm quite new to Raspberry world and I need you help :) I've configured my Pi as a small NAS and download station but I also use it to manage some sensors in my house, so I bought an UPS. The ...
3
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1answer
9k views

RPi 3 ad-hoc network to configure WiFi credentials

I need help finding a proper tutorial or project that can achieve the following: I want to create an ad-hoc network that could be used to configure the RPi 3 to connect to an existing wifi network ...
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0answers
126 views

How to connect "FPV Night Vision QVGA 320X240 Monocular" to raspberry 4?

I am working on a project which need this module to be connected with raspberry pi 4 or 3. I tried some to convert into single RCA cable (worked) but I want to convert it into HDMI. I am unable to ...
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0answers
2k views

New to Pi: "Association request to driver failed"

I literally just got started with my pi tonight. So I am that new. Any instructions you give me should assume I know nothing. I'm trying to connect to wifi and getting the mentioned error on the "...
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44 views

Error Connecting Raspberry 4 model B to Windows 10 Directly with ethernet cable

I received my Raspberry Pi 4 Model B yesterday installed latest Raspberry OS on MicroSD and have been trying to connect it to Windows 10 directly with a Ethernet cable "no hub or router" and ...
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1answer
83 views

How can Rpi connect to and read the DIY PH-4502C pH Sensor?

How can Rpi connect to and read the DIY PH-4502C pH Sensor?
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44 views

Raspberry PI router

I am using a Raspberry PI 3B with Raspbian OS 10 as a home router/firewall/pihole/dphcd/reverse proxy. I have connected a USB ethernet adapter (eth1) used as WAN interface. The internal NIC (eth0) is ...
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38 views

Problems with Huawei me909u521 modem in Raspberry Pi 3 b+

I have the Huawei me909u521 modem attached to RPi 3 b+ via sixfab LTE hat (connected by GPIO). The Rpi is detecting the modem: pi@raspberrypi:~$ lsusb Bus 001 Device 004: ID 12d1:1573 Huawei ...
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35 views

Is it possible to enter USB-C Gadget Mode using only dhcpcd?

I've been following tutorials like this one to make USB 'Gadget Mode' work on the Pi: https://www.hardill.me.uk/wordpress/2019/11/02/pi4-usb-c-gadget/ However the other day I had an issue getting it ...
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141 views

Connect the Raspebrry pi to WiFi from another device

Is there anyway to connect the raspberry pi to WiFi from another device like from a flask app? I know it's a crazy idea, without connecting to a network I cannot access flask app but I'm just ...
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49 views

PI Camera not lighting up when connected to CSI Camera connector but does light up when connected to DSI Display connector

I've purchased a PI Camera Module for my Raspberry PI 4+. I connected it to CSI Camera Connector, applied all necessary updates to the Pi but could not get the camera to be detected when using ...
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71 views

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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0answers
451 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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119 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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1answer
75 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). ...
1
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1answer
924 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
61 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, ...
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0answers
145 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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0answers
5k views

Reset network configuration and set WiFi Static IP

I follow this tutorial to be able to setup static IP address on WiFi connection, in particular, after change /etc/network/interfaces file I do this two commands sudo systemctl disable dhcpcd sudo ...
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0answers
971 views

Configure RPi OpenVPN ip tables problem

I am attempting to set up my RPi to work as a VPN server. I used these 2 tutorials: http://www.bbc.com/news/technology-33548728 and https://www.raspberrypi.org/forums/viewtopic.php?t=81657 When I go ...
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190 views

How to connect RPi 2B with SM900?

I have a Raspberry Pi 2B and a SM900 module and I want to make a UART connect with jumpers using raspberry GPIO and the shield pins. My problem is how could I make it? How to power up the SM900? I ...
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176 views

Problem with Wifi with Raspberry Pi Jessie

I'm trying to connect to the WIFI with my Raspberry Pi 2, Jessie 4.4.21+. Right now when I do it with an ethernet cable connecting to the laptop(http://www.dexterindustries.com/howto/connecting-...
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64 views

How do you bridge your wlan0 to your eth0?

I'm trying to bridge the wlan interface of my Pi with the ethernet port. I found this tutorial that shows how to do this on Debian - but I'm unable to get it working. I'm quite a layman on Linux and ...
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0answers
538 views

How to share PPPoE connection via WiFi?

I build wifi router for my house in the countryside. I only can have internet via wireless so I buy USB grid antenna and connect on PI and made a bridge to internal antenna. USB antenna is connected ...
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0answers
290 views

connect raspi 3B with ethercat coupler

I am new user and trying to connect raspi 3B with codesys and ethercat coupler (Kuhnke FIO coupler). this is how I connect them: My labtop is connected through the raspi USB with USB/RJ45 adapter ...
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0answers
791 views

ssh: connect to host "raspberry pi IP address" port 22: Operation timed out

I have seen this question in multiple places while I searched on Google, but none gave an answer on how to bypass this issue, and I think it will help me and many others to finally know the answer. My ...
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0answers
620 views

send_packet: Network is unreachable Huawei E3351 3G Dongle

I have a Huawei E3351 3G dongle connected to a Pi which requires maximum unattended uptime. Ensuring that the connection remains solid over time has been a troublesome endeavour, largely due to ...
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2answers
2k views

Timeout when connection to a page but ping works?

I'm getting a strange problem on my raspberry pi. I tried to install a program today using apt-get and I got this output: Err http://mirrordirector.raspbian.org/raspbian/ wheezy/main libcurl3 armhf 7....
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0answers
1k views

Can't connect to raspberry pi 2 over bluetooth with MIT App Inventor app

I have a raspberry pi 2 with a GoerTek bluetooth USB Dongle from dx.com, and I've been trying to for hours to make a connection between my Samsung Galaxy S5 and my raspberry pi, through an app I made ...
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0answers
145 views

Board-to-Board (B2B) connector for Raspberry Pi

I have a BLE module that connects to its original MCU board with a 30 pin CN2 type board-to-board (B2B) connector. I want to use this BLE module in Raspberry Pi. I've some BLE related code that runs ...
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0answers
530 views

Connection refused when I try to connect my pc to raspberry pi via internet bridge

Hi guys I'm trying to connect the raspberry pi to a pc via internet bridge. I have a rj45 port free (eth0): so I've set these settings: Ipv4 Settings: Method Shared with other computers Ipv6 ...
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0answers
81 views

Ethernet connectivity issues. My fault or the pi's?

I've had ethernet working on my raspberry pi before, but then I switched to using it as a media center and had no need for it. Now I'm switching back and when I plug the cable from my router to the pi,...
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0answers
377 views

Using wireless and wired NIC on Pi simultaneously with raspbmc

I have a setup where I have my pi getting internet from my router on a wifi dongle, and then a blu ray player is connected to the pi's ethernet. The pi should be able to forward packets through from ...
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0answers
1k views

Wired connection continually dropping

I've been having issues with the wired connection on my Pi. The connection keeps dropping out and then reconnecting constantly. About half the time it'll completely drop after a few minutes of this. I'...
1
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1answer
2k views

Raspi Vnc connection refused

I install Raspbian with a NOOB SD card. Then I updated it, following a guide. I installed tightvncserver on the Raspberry Pi and configured it. Then, with my Windows pc using putty, I connected to the ...
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0answers
24 views

Access point works with cell and tablets but not other computers nor other raspberry pi

I have two weird situations. I configured my pi4-4gb to be an access point for a private network. The goal is to allow multiple pi-zero-w to connect to this access point and also allow, when connected ...
0
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0answers
29 views

Trouble setting up SSH "Connection Timed out" on Headless RPI 4

I've decided to enter into the world of HomeLabs with the acquisition of an RPI 4. I went throught the procedure of setting up the RPI and everything worked correctly. I've used both a(n) dynamic/...
0
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1answer
57 views

Folding at home stuck on "Connecting"

Information Hello. I'm having some issues with the Folding@Home Client for raspberry pi. I am using a raspberry pi 4 with the 64bit version of Raspberrypi OS (Found here: https://downloads.raspberrypi....
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0answers
40 views

connection to port 22 refused before asking for username/pword

I've added an empty ssh file to the /boot directory. When I run ssh pi@raspberrypi.local, I get this error: ssh: connect to host raspberrypi.local port 22: Connection refused without being asked for ...
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0answers
23 views

Can I use this screen from a digital brochure with the Pi?

I recently received a kind of digital brochure that was just this large screen in a cardboard envelope. I ripped it out and I'm curious - can I drive this with a Pi? I tried looking for ribbon cable ...
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0answers
17 views

SSL certificate for multiple dock containers running on RPI 4

Hi guys I have a question regarding docker containers and ssl certificates. I want to install more than one docker containers like pi hole , Bitwarden and motioneye . To access them I have to type ...
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0answers
12 views

How to resolve Pi400 Linphone Connectivity Issues (intermittent quiet sound/microphone)?

I am trying to setup a pi400 for use in a call center setting and during testing I have identified a problem. Intermittently the connection quality drops and the audio goes extremely quiet for both ...
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0answers
39 views

Raspberry Pi 3b+ loses WIFI connection after 10 minutes

My Raspberry Pi 3b+ loses WIFI connection after 10 minutes, after it loses connection, I cant re-connect because there are no WIFI networks in the dropdown list. My only option was to completely ...
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0answers
28 views

Wired network connection not working - 2 items in settings VPN and Proxy

I know everyone tries hard and it can't be easy. I'm on the edge of a heart attack or stroke myself just getting anything to ever work. I'm new to the Pi-niverse and am setting up a 4. Its having ...
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0answers
39 views

Pi 3A+ keeps loosing connection randomly

I'm trying to set my rPi 3A+ as a local server running a docker container that is constantly logging info from a service. (It's running Teslamate) I've been having trouble keeping it connected to my ...
0
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0answers
90 views

Failed to get D-Bus connection: Unknown error -1

Well I ran into a major network failure when I try to get two PIs talking to each other directly through their Ethernet ports. They use to connect to each other and communicate, but for some odd ...
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0answers
43 views

Raspberry Pi Water Level Sensor doesn't work

I got a question. I'm trying to make a water level sensor to check the water level with Raspberry Pi and a water level sensor using this tutorial. https://kookye.com/2017/06/01/design-a-water-level-...
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0answers
22 views

get google-authenticator working in other network than configured

Recently I enabled 2FA on my RPi 4B using google-authenticator as in this tutorial: https://www.raspberrypi.org/blog/setting-up-two-factor-authentication-on-your-raspberry-pi/ It worked fine, however ...