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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Headless Raspberry Pi 2 W suddenly stopped connecting to Wi-Fi

I bought this Raspberry Pi 2 W about 1 month ago. I installed the lite headles OS using the official app. Everything was working perfectly, I was able to SSH and use it, until today. I am not aware of ...
user171780's user avatar
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Network Communication

I a working with Raspberry pi 3 model b+. It has 2 network interfaces 1. Ethernet 2. Access Point The raspberry pi has to communicate with PC and ESP32 simultaneously. How it can transfer data ...
testdude's user avatar
1 vote
2 answers
33 views

How can I switch mains-powered loads wirelessly, with low cost and low power consumption

I'm setting up a Pi (currently developing on a a 3B, but I'm assuming I'll upgrade to a 4B) as a CCTV server and fileserver, but I've also just got solar panels installed and would like to switch ...
Chris H's user avatar
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Video Streaming with GSM/GPRS SIM800 Modules

I want to stream video footage collected from a camera to a webserver using a Raspberry Pi and internet without the use of Wireless LAN. I was originally thinking of just connecting a USB modem with a ...
William's user avatar
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15 views

MT7601U Wireless Adapter only works if connected after boot

I'm using a Raspberry Pi Zero W, with a USB hub and adding a second wifi. If the dongle in question is connected after boot, it works flawlessly: Bus 001 Device 004: ID 148f:7601 Ralink Technology, ...
Argus Rosenhaim's user avatar
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21 views

Raspberry PI4 on Ubuntu Desktop 23.10: Why is wifi 5GHz capped to 100mbit and wifi 2.4GHz capped to 54mbit?

I'm new to Raspberry pi's. Last week I installed Ubuntu Desktop 23.10 on my Raspberry PI4. My Raspberry is in a closet where my router also is. With Iperf3 I get 100mbit download speed on wifi 5GHz ...
Alex's user avatar
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Can I use my phone or MacBook to replicate my home wifi for on the road SSH access?

So I set up a project on a Pi zero that runs a basic python script on startup. I made a last minute change and it passed the first few hurdles of a rudimentary test so I unplugged it and packed it in ...
Ben's user avatar
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Wireless network does not work in Raspberry Pi 4B

I moved my raspberry pi 4b to new place and found wireless network does not work. I already set the ssid and password in /etc/wpa_supplicant/wpa_supplicant.conf and also tried to set wifi ssid and ...
johanlee's user avatar
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Fail to connect with command create_ap it create hotspot 192.168.10.199

I have connected the modem to an RPi4 running Ubuntu 20.4 and downloaded the folder for running the 'simcom' command (SIM8200_for_rpi) and the folder for the 'create_ap' command. Below are the steps I ...
user23703659's user avatar
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Tp Link on a Pi 1B

I am trying to set up an one RPi 1B with a Tp Link Archer T2U AC600 wifi adapter. The Pi detects this adapter as a usb device, and I have installed both the Realtek rtl8812au and the Mediatek MT7610U ...
tjqscott's user avatar
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RPi Stand-Alone WiFi Network

I am trying to create a WiFi Network that I can connect computers to. Also I would like to plug an old phone with Hamshack Hotline on it into the raspberry pi. I don’t have rhe ability to connect it ...
Brian Scherdt's user avatar
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How do I find my SSID for LAN on my raspberry pi 2?

-Raspberry pi 2 -Trying to install a 3dprinting OS -needs SSID for LAN How should I find this?
Royal Julz's user avatar
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1 answer
25 views

R-pi Zero W can scan wifi but can't connect

I used the official imager to set up localization and networking and install its "recommended OS" (32-bit bullseye) on a Raspberry Pi Zero W. It comes up to a desktop where the network ...
Some Nut Job's user avatar
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21 views

How may I configure my Pi to interface between my printer/ scanner on the Ethernet port to be accessible across the wifi network?

I have a MFP (printer/ scanner) that I have connected to my Pi using the Ethernet port, and would like it to be available across the network using the wifi. At the moment, I have tried all the "...
TTM's user avatar
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Raspberry Pi 3: Static IP not getting set to what I want

One of my PC machines is conflicting with my raspberry pi because they're sharing the same local IP. Editing the PC's static IP is not an option, lots of hard-coded things set to this IP. I've set ...
Rod Knowles's user avatar
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Raspberry Pi4 4gb built-in Wi-Fi module, hardware or software?

Expensive time of day. For 3D printing I used a Raspberry Pi4 with Klipper installed. Wi-Fi worked, not always stable, but it worked. Two weeks later the Wi-Fi was completely disabled. Raspberry does ...
protos80's user avatar
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2 answers
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Connect with two wifi adapters to networks where in each is a device with same IP

I want to connect to my two Huawei inverters. Each has a wifi that I can connect to and I have the built-in wifi and an additional USB wifi. If I connect to each individually the inverter is 192.168....
Thomas's user avatar
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1 answer
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setting up batman adv

I am trying to configure batman-adv. I am using two raspberry pi 3a+. I have Raspberry Pi Os bookworm (not lite version) installed on them. Each raspberry has a wifi adapter (rtl8812bu chip used this ...
Xrou's user avatar
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1 answer
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Problems With AutoConnections Wifi

I have a raspberry pi 4 with latest version of raspian and i want 2 things: 1 - static IP for eth0 port, so that I can guarantee access via ssh without any monitor. 2 - configure a wifi network via ...
FelipeFonsecabh's user avatar
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Using a Raspberry Pi as a 5GHz Router to distribute 2.4GHz on a boat

The topics of using a Raspberry Pi as a router, repeater seem to be well covered but my attempts to change those to my boat's needs have been...unfruitful. I'd like to connect the marina's included ...
user67776's user avatar
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Raspberry pi is not showing on network/router's admin page

i have a raspberry pi 4b with raspbian bullseye 32 bit os , i was trying to connect it with a hidden network, pi is connected with the network but i can't see it in the "connected device " ...
Death Note's user avatar
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14 views

Failed to initiate p2p connection between raspberrypi4 and linux Laptop

currently, I am working on a P2P connection between Laptop and Rpi4 facing interface creation fail issue while using wpa_supplicant to create a connection between the laptop and Raspberry Pi 4B to ...
Reddy Bhargavi's user avatar
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Create Wireless Access Point Without Ethernet

Using the built-in WiFi hotspot configuration GUI, I realize that there isn't any way to make this hotspot provide an internet connection without an Ethernet cable or WiFi adapter. I'm in a really ...
idontknowwhattoputhere's user avatar
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Pi4 Slow performance in local network over wi-fi

I'm running Pi4 4Gb as my Time Machine and Media Storage via smb server + PiHole. Speeds were always inferior, but I suspected problem was WD My Passport with HFS+ (for time machine) and exfat ...
user11686813's user avatar
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49 views

Use of a USB Wifi dongle in both AP and client modes

I have a Rpi 4B running Buster and a AWUS036ACM USB Wifi dongle connected to it. I am looking at configuring it as an access point and a client. When I type: iw list | grep "valid interface ...
jfh999's user avatar
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-2 votes
1 answer
264 views

Ethernet and wifi not working properly if both are enabled on RPI5

Scenario one: Wifi turned on connected to router, 5Gz channel 36 range approx 1m. SSH works as expected from ethernet wired pc to pi, but wifi is slower than expected, at 10MB/s. Powershell/Putty/...
Mauvai's user avatar
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1 answer
180 views

Where is my WiFi configuration configured in Raspberry Pi Imager?

I can't find WiFi configuration that I entered during Raspbian installation. I have fresh Raspberry Pi 4 with default Raspbian x64 system installed on SD card by using Raspberry Pi Imager 1.8.4. ...
Kamil's user avatar
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1 answer
59 views

Connect raspberry pi to wifi on customer location

I need to install the raspberry pi at a customer location and then make the pi connect to the customer's wifi. Is there a convenient way to do this without needing a monitor, keyboard and mouse ...
RSK's user avatar
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Using a raspberry 4 as a remote access tool

I need to remote access a datalogger device placed on a remote location. The ISP does not provide static IP, so DDNS is required, I don't have a router with the feature, so I'm trying to set it up ...
Rafael Ferreira's user avatar
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0 answers
29 views

RasPi 4B Bridge wlan1 to eth0 in Layer 2

I'm looking to bridge this USB-WiFi card that supports AP/STA Mode with the Pi 4B's Ethernet Interface over Layer 2. Connection will go [Router]<-->[Pi's WiFi]<-->[Pi's Ethernet]<-->[...
cdubs's user avatar
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0 answers
55 views

Raspberry Pi WiFi Ethernet Bridge with Proxy ARP Not Broadcasting Host Name (Brother Printer Issue)

First, I need to say thank you to the users who provided the guides to get the basic setup of the WiFi-Ethernet bridge: Workaround for a wifi bridge on a Raspberry Pi with proxy arp Use systemd-...
Mike's user avatar
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2 votes
0 answers
770 views

How to configure WiFi using the commandline?

How do I connect my Pi running the latest Raspberry Pi OS Lite to my Access Point with only the commandline available? This means I have either access to keyboard and display or I have SSH setup and ...
Human's user avatar
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0 answers
73 views

What sort of cap should I use for antenna connector?

I plan to use CM4 with a Wi-Fi/Bluetooth antenna. The antenna will be detachable from housing of the designed product. What sort of a cap should I use? Options are shorting and non-shorting. Edit: CM4 ...
maciek's user avatar
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0 votes
1 answer
203 views

Why does wifi stops working randomly on a Raspberry Pi 4B rev1.4 while the wlan0 interface stays available?

I've been trying to debug this issue, with great frustration as I'm printing using (Rasbian based) OctoPi and cannot reboot the Pi during printing. I have two similar setups running OctoPi on their ...
Bob Ortiz's user avatar
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1 answer
142 views

Help with Access Point configuration, please

I'm running Debian v.12 on a Pi4B, and I'm having trouble getting my wifi Access Point to work. Specifically, I want the Pi to act as a local server without being connected to the house network. The ...
PangolinGold's user avatar
0 votes
2 answers
338 views

Raspberry Pi Infinitely asks for WiFi password and won’t connect after switching to ssd

I have a raspberry Pi 8 GB, running Raspberry Pi OS 12 Bookworm 64 bit. I just switched from the SD card to an SSD as my main storage by using the SD card copier app included in Raspberry Pi OS to ...
Lem0n_C0der's user avatar
0 votes
2 answers
404 views

newest raspbian missing wpa_supplicant.conf

With the newest raspbian running on a CM4, I am unable to find any SSID or passphrase in /etc/wpa_supplicant/wpa_supplicant.conf and thus am unable to change the wifi password by mounting the SD card ...
Daniel D.'s user avatar
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0 answers
19 views

Raspberry 3 to tether internet to the ETH port from the wi-fi

I would like to use the raspberry to bridge the WI-FI network and the ETH0 port and then connect a router to create my personal network with internet access (if possible DHCP on the router) accessible ...
Alessandro Marturano's user avatar
0 votes
1 answer
66 views

I Can't Connect To WiFi anymore

I followed some instructions from the raspberry pi site for updating my OS, upon reboot I can no longer connect to WiFi. My WiFi icon in the menu is saying there are "No wireless interfaces found....
Jessica's user avatar
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0 answers
112 views

Raspberry Pi Zero W losing WiFi-Connection after AccessPoint restart

I have noticed, that raspberry Pi’s are predictable in losing their Wifi-Connection permanently after the accesspoint was turned off (power off). I have tried multiple raspberrys (10+) and three ...
neopulsar's user avatar
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1 answer
55 views

Raspberry Pi connect via WiFi, but not Ethernet

I setup Ubuntu Server on Raspberry Pi Model 3B using Raspberry Pi Imager for Windows. While configuring, I setup Wifi and it works smoothly. However, when I plug the device into ethernet it doesn't ...
rafee's user avatar
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2 votes
3 answers
3k views

Headless Wi-Fi setup without the RPi Imager: bootfs/wpa_supplicant.conf not supported since Bookworm

From the docs: Previous versions of Raspberry Pi OS made use of a wpa_supplicant.conf file which could be placed into the boot folder to configure wireless network settings. This is no longer ...
Naiky's user avatar
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0 answers
38 views

How can I convert my Raspberry Pi into a Wi-Fi network in order to receive a device configuration in a captive portal?

Initial Situation: Device: Raspberry Pi Zero 2 W with Raspberry Pi OS Lite (64-bit) I aim to establish a seamless Raspberry Pi configuration that transitions between two distinct modes: Setup Mode: In ...
TheJanosch's user avatar
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0 answers
48 views

Accessing Raspberry Pi Hotspot via VNC

I have a headless Raspberry Pi 4 that I want to connect to via VNC in the absence of an external wifi or ethernet network. The Pi is being used as an antenna controller far away from civilisation, ...
Doctor Lighthouse's user avatar
2 votes
1 answer
118 views

Connect to Raspberry pi through Wifi

I'm currently trying to do something that's quite hard for me. I have a raspberry pi zero w that's running an apache server. I want to be able to access my pi anywhere, even offline by connecting to ...
Grastler Jones's user avatar
-1 votes
1 answer
342 views

Where does rpi-imager write Wifi information?

I tried the rpi-imager tool for the first time to write RPiOS to an SD card. I've always just used dd and then manually edited the cmdline and config files in boot/. I entered my WiFi information in ...
pinhead's user avatar
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0 votes
1 answer
221 views

VLAN and WLAN access point configuration. Bridging operation not supported. Looking for alternatives

I have an old WiFi appliance (air conditioner (AC)) that requires WiFi Protected Setup (WPS) to authenticate. I repurposed an old BT router with WPS, but this has died so I am attempting to configure ...
woter324's user avatar
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1 vote
2 answers
184 views

I can't see my wifi usb adapter with ifconfig

I am using this raspberry Pi Architecture: armv7l Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) ...
midnight_rambler's user avatar
1 vote
2 answers
293 views

remote sensors for soil moisture

I just received my first Raspberry Pi (Raspberry Pi 3 Model B+) and was thinking about starting my project journey with setting up some kind of soil moisture monitoring for the plants in my appartment ...
jonsken's user avatar
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0 votes
0 answers
159 views

Is it possible connect a Raspberry Pi Pico W to an EDUROAM Wifi (WPA2 authentication)?

Could someone help me? I'm a student at a university, and I'm trying to connect my Raspberry Pi Pico W to the Eduroam Wi-Fi using micropython code, but I'm having trouble. Is it better to use ESP32 to ...
Lilian Mendes's user avatar

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