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.

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Best way to connect to Pi Zero W directly - Possibly while the Pi is connected to local wifi

Part 1: Connecting to the Pi Directly What I want is for an end user to see the pi as its own wifi hot spot and connect to that (either getting served a landing page if they open a web browser, or ...
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SSH into Pi Zero W over its WiFI when no local network is present? [duplicate]

I'm running Raspberry Pi OS Lite on a Pi Zero W. Currently I can SSH into it through my WiFi internet. But what if I'm out in the field with no internet? How can I configure the Pi to become a WiFi ...
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2 answers
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Rasberry Pi signal repeater/extender

I'm trying to extend the range of a robot that uses UHF or Wi-Fi signal to communicate with its controller with a range of 100 meters. Is it possible to implement RPi 4 to serve as a signal booster/...
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mDNS (Avahi) working TO RPis but not between them

Avahi/mDNS is running by default on recent versions of Raspian. Great. Very convenient to just ssh pi@mypi.local. I am doing development on a Mac and operating a local network of headless Raspberry ...
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access raspberry pi with wifi, without ethernet cable

Hi guys I'm trying to access my raspberry pi through the remote desktop / vnc viewer without ethernet cable but only with wifi. And it connects only rarely and if it doesn't I get the error: Remote ...
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Raspberry Pi 4 B NetworkManager Hotspot - limited to five connections?

I'm trying to connect multiple computers to a Raspberry Pi 4 B hotspot, using NetworkManager to handle the network, and I can't seem to connect more than five devices to the hotspot. Every source I've ...
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5 GHz wifi speed?

Has anybody else experienced very slow 5 GHz speed ? Mine times out most of the time and the router is 5 m distant. 2.4 GHz works better but it is saturated where I live and I cannot use it for ...
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Using a Pi as storage from a dashcam

I have a dashcam that writes to a SDXC card. I would like to replace this card with a Pi and store my video on it then when I get home have the Pi automatically connect to my WiFi and transfer the ...
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Wifi Direct: Intermittent Issue with Wifi Device

I'm working on making a "Wifi Direct" RPi device (Raspberry Pi 4). Generally, if I run wpa_cli p2p_group_add, it creates the device p2p-wlan0-0 which shows up in ifconfig. However, about 1 ...
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Can you use AC to USB DC Converter To Power Pico W?

Can you use these types of converters/adapters to power the Pico W? https://www.aliexpress.com/item/1005002442614617.html More importantly, when you'd look at the specs, what individual evaluation ...
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Raspberry Pi not recognised when connecting power cable to wall sock but is when connected to laptop

Pi set up is as follows: version 4B 64 bit OS ethernet cable from router to Pi power cable from Pi to Laptop USB port SD Card 16GB Router recognises, lists Pi in devices, can SSH to it. If I move ...
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What is the power consumption of Pico W and competitors for wireless IoT devices?

Does someone have numbers on the power consumption of the Pico W, i.e. the new version of the Pico with Wifi capabilities (and maybe how it compares to competing platforms such as ESP, Arduino etc.)? ...
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Bridging two WiFi networks without a dongle

I would like to connect my Raspberry Pi 3B+ to a WiFi network and use it as an access point for its own network. I need it to act as a proxy so that I can connect multiple devices and they appear as a ...
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Pi zero W sudden permanently slow Wi-Fi cripples VNC/updating. Extensive troubleshooting

Usage. Thank you to anyone that tries to help, your efforts are really appreciated I ssh into a pi zero W to send a wake-on-Lan signals to my main PC. I am far away and won’t be able to get at the Pi ...
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How to repair a wifi connection when `iwlist wlan0 scan` returns nothing?

My RP4 have worked fine for more than one year. I have just lost the wifi: "wifi not associated" /etc/wpa_supplicant/wpa_supplicant.conf looks right with my SSID and password and it has ...
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SOLVED - WiFi Doesn't Connect After Reboot

I am super new to coding and have been trying my hand at setting up a Magic Mirror with a Raspberry Pi 4B (purchased here). I've been doing pretty well but ran into a problem where my WiFi no longer ...
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Get a shell to the pi with no shared wifi and only using ethernet

WHen I flash my firmware, I had set up the wifi SSID and password to use the pi in my local LAN. How can I have a shell to the pi if im not in my local LAN? Say if I don't have wifi on my local host ...
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Assigning a domain name in my local network (RaspAP on RPI4)

For my final presentation this semester, I have setup a local network using RaspAP on my RPI 4+. I have a websever available locally @ 10.3.141.91 and I would like to assign it a domain name (example....
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Help How to download drivers for a Belkin Wireless G Zydas firmware

I need help on how to download drivers for a Belkin Wireless G Zydas firmware. I have no idea how to. Thanks
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Ubuntu Server 18 Wifi Hotspot setup shows weak security

Hi I am using my pi to run Ubuntu Server and used net-manager to set up an Access point. I have everything working but when I connect to the Wi-fi on my iPhone it shows I have weak security. I have ...
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How to get Wifi working an Raspberry PI 4 with Ubuntu Server 20.04 for ARM

Short story PI is not connecting via Wifi. Errors of systemd-journal below: journalctl -n ubuntu kernel: ieee80211 phy0: brcmf_cfg80211_scan: scan error (-84) ubuntu wpa_supplicant[573]: wlan0: CTRL-...
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2 votes
2 answers
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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 ...
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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 ...
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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. ...
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1 answer
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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1 answer
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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 ...
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2 answers
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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 ...
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1 vote
1 answer
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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?
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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 ...
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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 ...
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-1 votes
1 answer
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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 ...
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2 answers
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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 ...
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1 answer
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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 ...
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2 votes
2 answers
630 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 ...
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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 ...
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2 votes
3 answers
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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 ...
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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 ...
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0 votes
1 answer
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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 ...
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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 ...
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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-...
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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 ...
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1 vote
1 answer
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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 ...
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0 votes
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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 ...
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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 ...
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34 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 ...
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1 vote
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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 ...
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