Questions tagged [wifi]

Questions on the use of Wi-Fi (local area wireless computer networking technology). This tag is also used for generic "wlan" questions since they are commonly synonymous. Note shopping questions are off-topic.

Filter by
Sorted by
Tagged with
0 votes
0 answers
12 views

How to get Wifi working an Raspberry PI 4 with Ubuntu Server 20.04 for ARM

System Rasberry PI 4 Ubuntu Server 20.04 LTS for ARM What works I get the headless connection working over LAN-Cable. The Problem For 3 days I try to connect the wifi of the PI to the router. What I ...
user avatar
2 votes
2 answers
54 views

dhcpcd.conf inform vs static ip vs request. How should you REALLY setup a static IP?

I am trying to setup static IPs on my 5 raspberry PIs and there is no clear answer as to which configuration to choose and why. As per a comment on one of the answers to this question How do I set up ...
user avatar
0 votes
0 answers
11 views

Bridge eth0 to another Raspberry Pi Zero W access point

I have a Raspberry Pi Zero W and its set up its own network as an Access Point. I want to use another Raspberry Pi Zero W to run tests on it. I have an ethernet adapter to the Raspberry Pi that I want ...
user avatar
0 votes
0 answers
21 views

How to use a Raspberry Pi to Redirect mobile devices that connect Wi-Fi to webpage/URL

I want to use a raspberry pi to broadcast a public Wi-Fi connection that Redirects all mobile devices that connect to the PI to a specific webpage outside of the local network after Wi-Fi connected. ...
user avatar
0 votes
0 answers
14 views

Use of systemd-networkd on a pi zero 2w running buster : varying bandwidth and issues connecting

I have a raspberry pi zero 2w running buster with kernel 5.10.103 dated April 4th, 2022. I used the guidelines from Access point as WiFi router/repeater with additional WiFi-dongle. It works well with ...
user avatar
0 votes
0 answers
20 views

Raspberry PI 3 b+: network disconnect frequently

I have been using 5 rpi 3 b+ on Raspberry pi OS, it works well but I have observed that the network drops after a day operation and network stays are disconnected till rpi is restarted to establish ...
user avatar
0 votes
0 answers
13 views

Unable to connect to any of the torrent indexers

I have freshly setup DietPi on my Raspberry Pi 4 (4gb). I had the same DietPi set up earlier for months and it worked fine but after this fresh installation, I am unable to connect to any of the ...
user avatar
0 votes
0 answers
23 views

How can I run a script whenever the device is not connected to a wifi network?

I would like my Raspberry Pi Zero W to create a captive portal that lets me use my smartphone to connect it to a new wifi network whenever it is disconnected from the internet. I recently came across ...
user avatar
0 votes
0 answers
29 views

How to send wifi and local servers over usb to computer

So what I want to do is send wifi and local servers over usb to computer. So the raspberry pi connects to the internet fine and is hosting a server on it. What I then want to do is connect it to my pc ...
user avatar
0 votes
1 answer
21 views

How to detect if a wireless adapter is recognized in a Pi Zero W?

I'm making an IoT device with a raspberry pi zero w for a friend to use. Right now, here's what I'm trying to do: Raspberry Pi spins up a wifi network using a USB wifi adapter Any dns lookup will ...
user avatar
1 vote
2 answers
37 views

No wpa_supplicant executable

I'm running Rasbpian 10 (buster) on raspberry pi 3 b+. Where can I find the wpa_supplicant binary? $ sudo apt install wpa_supplicant E: Unable to locate package wpa_supplicant # Same for wpa and ...
user avatar
1 vote
1 answer
29 views

RPI disconnected and won't connect again to network, how can I resolve the issue?

Both Wifi and Wired connection not working which worked before. I set up static IP for both wifi and ethernet. What options do I have to resolve this issue?
user avatar
  • 111
0 votes
0 answers
23 views

Connecting to Pi4 Remotely

I have been trying to connect to my PI 4 via remote VNC, SSH, XRDP followed all the instructions, like port forwarding on 80 and 443 on my WLAN IP, the hostname is 127.0.01 but my IP 10.0.0.226..is ...
user avatar
0 votes
0 answers
21 views

How to host a network via wifi and ethernet in C++

I would like the raspberry pi to host a network for 2 client devices 1 of the device will be connected via wifi and the other through the ethernet port. For the ethernet port i assume you would need a ...
user avatar
-1 votes
1 answer
16 views

Raspberry Pi 4 wifi intermittent latency drop

I'm running Ubuntu Server 20.04 headless on a Raspberry Pi 3 and 4. SSH connection is through a wireless router with only my laptop and the Pi connected. Pinging the Pi (192.168.0.215) shows the ...
user avatar
  • 1
0 votes
2 answers
24 views

Raspberry Pi as a internal Wifi access point but connecting to external Wifi

I have several IOT nodes that connect to Wifi, and a Raspberry Pi Zero 2 W which will act as a server. This system will be mobile and it's connection to the internet will be via publicly available ...
user avatar
0 votes
1 answer
73 views

WiFi stopped working when going to Germany

So I have these prototypes to show a customer using a Pi4 with Raspbian, the WiFi worked fine in the UK. I connected to a portable dongle with no issue, even tried a VPN to see if it was OK when I ...
user avatar
2 votes
2 answers
243 views

Connecting RPI Zero W2 to different Wi-Fi AP simultaneously or sequentially

I am trying to use a RPI Zero W2 to solve a problem I have with collecting files from an IoT device. Specifically, I don't know how to setup the Wi-Fi network(s). Any inputs to my questions would be ...
user avatar
  • 21
0 votes
1 answer
25 views

Connect to one WIFI via wpa_supplicant works but not to any other one (Pi Zero W)

For an application on my Raspberry Pi Zero W I need WIFI access. Developing at home worked great, but when I try to connect to any other WIFI network than my home WIFI I just cannot establish any ...
user avatar
1 vote
3 answers
62 views

Connecting Several Pis over Network

I am running an Intro to Robotics class, and I am having them create different projects to use in my classroom with pi zero 2ws. For example: a countdown clock using LED lights. I want to be able to ...
user avatar
0 votes
0 answers
25 views

Create offline local WiFi?

I'm making a bicycle "dashcam" with the RPi. For the rear cam, I'm trying to set up something similar to how my car's dashcam works for video preview and file transfer. On that dashcam, it ...
user avatar
0 votes
1 answer
48 views

How do i send data from one raspberry pi to another using a LAN cable?

If I have 2 raspberry pi's and I wanted to transfer\receive data with a LAN cable connected to them both(do i need a crossover cable?) how would I get the data from the LAN port? with a python script ...
user avatar
0 votes
0 answers
23 views

Is an "android-phone-connected-to-Raspberry-Pi" hotspot better than just an "android-phone" hotspot

I need mobile WiFi for a flat I'm living in for a couple months. I am currently using my android phone (Pixel 4a) as a mobile hotspot. I have discovered (here) that (with some work) I can plug my ...
user avatar
  • 101
0 votes
0 answers
23 views

RPi 4 B1 connects wired and phone hub, but not Google mesh WiFi

My new RPi 4 Model B Rev 1.4 connects wired on eth0, WiFi on my iPhone hub, but not on my Google mesh WiFi (Google Nest) on wlan0. I configured with the RPi imager on a Mac (brew install raspberry-pi-...
user avatar
  • 101
0 votes
0 answers
31 views

RPi 4 won't connect to wifi extender

I have a RPi 4 which i am wanting to setup wirelessly - this works fine on my home WiFi. But because I am very far away from my router (other side of house) it is incredibly slow. I do have a WiFi ...
user avatar
1 vote
1 answer
83 views

WiFi/BT link on desktop as icon

I'm setting up a Pi4 to land on a blank page and have streaming services like Netflix as large icons and they run in kiosk mode. So I've hidden the bar across the top. What I would like to do is to ...
user avatar
0 votes
0 answers
38 views

How do I connect my Pi to a wifi that requires a Username and Password? [duplicate]

I'm fairly new to the Pi and am trying to connect it to my University's wifi. I am unsure how to get it to run solely on wifi which requires both username and password (vs just SSID and pass). I've ...
user avatar
  • 1
0 votes
1 answer
39 views

Issue after a few hours of correct operations over wifi shared between an access point and a wifi client

I have a Raspberry Pi 3B+ running Raspbian 32 bit. It runs correctly as an access point and a wifi client over the integrated wifi. It does not use systemd-kerneld. I followed the different steps ...
user avatar
0 votes
0 answers
19 views

How can I send video and sound from my PC to raspberry pi 3?

I have a laptop. On other side of room is my raspberry pi 3 with TV and speakers in input. Normaly i would use hdmi cable to connect my laptop and tv, but it to far to do that. I decide to use ...
user avatar
1 vote
0 answers
164 views

Failing adding Access Point to RPiZero2W Bullseye following Ingo's guide

A little more than a year ago, I followed @Ingo's guides [1] and [2] to switch my RPi Zero W Buster to systemd-networkd and then add an AP in the repeater mode (not bridge). Now, I'm trying to do the ...
user avatar
0 votes
0 answers
82 views

ARP proxy: DHCP relay not forwarding offers

I am trying to use a Raspberry 3B+ (running the image 2022-01-28-raspios-bullseye-arm64-lite) to transparently 'bridge' traffic coming on eth0 to the Wifi interface (wlan0), all on the same subnet. ...
user avatar
  • 1
0 votes
0 answers
32 views

Generation of AP not working in Raspberry Pi 4

I configured the hostapd.conf, dnsmasq.conf and dhcpcd.conf properly. When hostapd launched and querying the status of the services I get: wlan0: Could not connect to kernel driver What could be ...
user avatar
0 votes
1 answer
27 views

Raspberry Pi 4 WiFi and Ethernet stop working after a ribbon cable plugged in to custom HAT

I have been struggling with a strange issue where as soon as I plug a ribbon cable into a custom designed HAT (with nothing connected on the other end), the WiFi and Ethernet temporarily go down. My ...
user avatar
0 votes
1 answer
54 views

My raspberry is not available from local network

I have an old raspberry pi 2011.12. It has installed an up to date raspbian (headless). It is connected to my local wifi network and internet. SSH is enabled. The following commands work fine on the ...
user avatar
  • 101
0 votes
0 answers
61 views

Restore internet connectivity without Raspberry Pi reboot

Occasionally, my Raspberry Pi 4 disconnects from internet. This unwanted disconnection seems to be due to some errors from wi-fi module drivers. Here is an excerpt of the kernel log: ieee80211 phy0: ...
user avatar
1 vote
1 answer
59 views

RF Direction Finding

Is it possible to build a system with a raspberry pi and antennas to find the rough direction of a radio frequency emitter such as a Wifi router, a Bluetouth Tag, or, a 5G cell tower? I cannot use ...
user avatar
  • 111
0 votes
0 answers
40 views

can we send data or files via wifi from a Raspberry PI using a QT graphical interface to another pc under Windows?

so my Raspberry card is connected to a screen by HDMI, I want to develop an interface using the QT platform under linux to give the order to my Rpi card to send data or files and even to receive ...
user avatar
  • 1
0 votes
0 answers
68 views

How can I lower wifi transmit power below 0?

We have a Pi 4 in a box with some other equipment, and it turns out that the wifi of the Pi is interfering with the other equipment. This is a problem because it can't be removed from the box it's in, ...
user avatar
  • 419
0 votes
1 answer
92 views

Raspi Connect to WIFI via Python os shell commands

I'm having trouble connecting to a wifi via python script right now because most tutorials out there are deprecated. There do not seem to be suitable up-to-date python packages anymore thus I plan to ...
user avatar
0 votes
0 answers
27 views

How to configure a RPI hotspot to allow clients to communicate with RPI

I recently configured my RPI to spin up a hotspot on boot. My reason is so that when it boots up, I can hop on the wifi network SSH into it while carrying it with me. I was able to setup a hotspot ...
user avatar
  • 1
0 votes
0 answers
72 views

No wlan0 interface after apt upgrade in PI 400

I have run apt to install updates yesterday. I saw new kernel was there too and I let it do. There was no error. Once I started PI today there were some errors: kernel modules were not loaded because ...
user avatar
0 votes
0 answers
60 views

Looking for help creating a secure IoT network with a Raspberry Pi

For a school project I'm trying to figure out how to create a safe network for IoT devices using a rpi. To achieve that I want to use basic things that are available on raspbian like iptables and ...
user avatar
0 votes
1 answer
54 views

Connection on Raspberry/Ubuntu as Access Point Wifi > Ethernet > Internet not going through

I managed to set up hostapd using wifi-ap via Snap so my Raspberry Pi 4 creates a new Wifi Network Ubuntu that I can connect to. When I log in to that Raspberry via SSH using the new network, I can ...
user avatar
  • 101
0 votes
0 answers
40 views

Check if network is up, if not, connect to wifi using existing credentials

I have a set of tasks that I run on a schedule, but it requires network. I have a raspberry pi 4b I have the /etc/wpa_supplicant/wpa_supplicant.conf setup like this: ctrl_interface=DIR=/var/run/...
user avatar
0 votes
0 answers
42 views

problem with wifi bridge: Raspberry pi zero + wifi dongle (realtek RTL8192CU)

Not a big expert here! I'm trying to follow these guides: Use systemd-networkd for general networking and Access point as WiFi router/repeater, optional with bridge, but I encountered some problems. I ...
user avatar
0 votes
2 answers
103 views

Connecting wlan1 to wifi at boot [duplicate]

I have a pi at a remote location to which I VNC or SSH into regularly. I had to purchase a https://store.rokland.com/pages/alfa-awus036acm-driver-support-page wifi adapter because the current wifi ...
user avatar
0 votes
0 answers
41 views

Force internet connection via wlan0

I have a Raspberry Pi connected via Ethernet to a local LAN that doesn't have internet. This Raspberry has a static IP fixed as 192.168.1.23 since we need each device in this LAN to have an specific ...
user avatar
0 votes
0 answers
17 views

Pi can't make WiFi, Bluetooth and USB device detection work and boots in command line every time. Is there a possible fix?

My Raspberry Pi 4B 8GB RAM has TwisterOS. A power outage happened and then the Pi boots in CLI only at first. I have to execute 'startx' everytime I boot. Then some of my settings were changed, like ...
user avatar
0 votes
1 answer
35 views

Sendind data from Huawei Scale 3 to Raspberry Pi

I plan to buy wireless body scale and it would be nice to get that data wireless to my Raspberry Pi 4. I don't want to use any smart phone apps and clouds. OpenScale supports many scales but it is ...
user avatar
0 votes
1 answer
98 views

Ubuntu on Pi Zero 2W Wifi not listed

I can't figure how to setup a Wifi connection on my pi zero 2, running on Ubuntu server 21. I tried many different things and here the results: Raspbian lite: everything works fine Ubuntu server: can ...
user avatar
  • 119

1
2 3 4 5
42