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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53 views

can not connect to network anymore

I used to connect to any wifi network (AUTwifi)when I installed a fresh Buster rasberain on raspberry pi 3, however, after a couple of updates I can not connect to any network that I have connected ...
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204 views

Can PiHole DHCP and a WiFI Access Point be used at the same time?

EDIT: I think it's important to note that I am using Debian Buster with the latest updates to date. I have successfully got PiHole working and have used it's DHCP function also working. It's great! ...
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1answer
26 views

Raspberry as a demo local wireless server and network router [closed]

First... I am not sure of what I am asking and what I am talking about. I have a clear idea of what to obtain but I lack the experience in this domain to even put together the right sentences and ...
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99 views

How to use Raspberry Pi as a wireless AP

I've recently purchased a Raspberry Pi 3 Model B because I need to host a wireless AP and web server (I'm making a web app that will run on a few tablets and would like for them all to utilize the ...
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2answers
134 views

Specifying wireless network name with accent in wpa_supplicant.conf?

How can I configure /etc/wpa_supplicant/wpa_supplicant.conf to connect to a network that has an accent in its SSID? The name of the network is of form Réseau de XL1. If I use sudo iwlist wlan0 scan|...
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190 views

Why TP-LINK TL-WN725 (rtl8188eu) is not working in Raspbian Buster?

Can anyone tell me why rtl8188eu is not "just working" in vanilla Raspbian Buster? I was using Raspbian Stretch until now, and all I had to do to configure wifi with my network card after flashing ...
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36 views

Socketcan interface stops responding when there's no WiFi

Starting the can0 interface using command: ip link set can0 type can bitrate 250000 restart-ms 100 in /etc/rc.local This works perfectly whenever the pi zero connects to a recognized WiFi network. ...
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113 views

Can you switch from connecting the RPi from pifi access point to an actual router access point

So for a robotics project I have in mind I'm trying to create an access point on my rpi so that I can directly ssh into it without using wifi from another router. But the problem is that I'm not sure ...
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1answer
146 views

Poor WiFi signal with Raspeberry Zero W

I have recently bought Rasberry Zero W. Since I wanted to get original top quality item I bought it at PiHut. Nevertheless, I still have problems with the unit; as it has incredibly poor WiFi signal. ...
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2answers
185 views

I can't connect to wifi although I can see the networks

I'm new to Raspberry Pi and I have to make a script based on WiFi connection, but sadly I can't use it. I have a Raspberry Pi3 Model B+ with the NOOBS sd (the one given with the Premium Kit). I ...
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44 views

Raspberry Pi suddenly filtering all ports

I have a Pi that I'm using as a headless music server, running Raspbian, accessed using both MPD and Subsonic. It's been working perfectly for the last month, no issues, but as of this past week I've ...
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95 views

Buster: Route traffic eth0<>wlan1

I followed these excellent and simple instructions to set up a WiFi repeater on Buster: [Access point as WiFi router/repeater with additional WiFi-dongle However when I rebooted the eth0 access was ...
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86 views

Rpi3 and RPi0W wifi signal strength

I have a rpi3 which act as a Homeassistant hub, and have no problems connecting to my wifi. Problem is that my rpi0W can't seem to connect to the same wireless network, from the same position that ...
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18 views

Configure WiFi using Pi as a Access Point with a Configuration UI

I want to setup my RPi as a wireless access point by default, then let an end-user open some browser-based UI to enter their own Wireless SSID and password, which would then be used by the RPi to ...
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105 views

Ensure Pi Connects Only to Trusted WiFi Network Via Certificate

This bleeds into Information Security Exchange, however I am posting it here: Suppose I am extremely paranoid and want to ensure my Pis only connect to WiFi access points with a certificate signed by ...
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116 views

Why UDP connection from hotspot raspberry doesn't work

To start with I have to say I have seen few similar questions but none of those could help me with resolving my problem. My setup is, two raspberry Pi 3 B+ with Raspberian on board(updated). One of ...
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1answer
94 views

Hide hostapd SSID broadcast once client connected

I would like to hide SSID broadcast from hostapd. I have successfully hide it by change the value of ignore_broadcast_ssid into 1 then reboot the pi which means the client will be disconnected when ...
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40 views

Share Internet with a Pi Zero over Bluetooth?

How do I share my Macbook's Internet connectivity with a Raspberry Pi Zero over a Bluetooth PAN? I am able to SSH into my RPi Zero via Bluetooth on pan0 interface, so the Bluetooth connection works. ...
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2answers
25 views

Connecting phone with RPi 0 W

Can i host a hotspot on my RPi 0? So phones can connect to it and use the SSH from the pi.. Bluetooth would work too but my question is how and what do i need it for. I searched a lot but there are ...
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1answer
124 views

How can I create a bridge to eth0 with the following network configuration?

I followed this tutorial so I have a network with two wireless interfaces, wlan0 working as a access point and wlan1 working as a client from another router. How can I bridge wlan1 to eth0 without ...
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33 views

How to Periodic Reconnect Wifi - Rasp ZeroW

Im using pi zero W as mqtt server/Broker, running StrechLite From time to time - wifi disconnects, and reconnection is crucial. How can it be done? EDIT1 Check #1 - Wifi ON guy@HomePi_MQTT:~ $ ...
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1answer
66 views

Restart wifi using bash script and systemd service?

My rpi is connected to a captive portal hotspot. I have prepared a python login script to login to the captive portal and it was working fine. But sometimes the wifi is getting disconnected and at ...
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43 views

Bluetooth and wifi settings not working correctly

I'm working on a project regarding a headless Raspberry Pi 3 B+ The Raspberry have to work as a Bluetooth-speaker with a HifiBerry Amp2 hat on top. The Bluetooth has to be open, and able to accept the ...
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2answers
85 views

Forcing lower WiFi speed on Pi Zero W for robustness

I'd like to do some low bandwidth realtime* streaming to a Raspberry Pi Zero W. Since the required bandwidth is much lower than even the lowest WiFi speeds, but dropped packets and jitter will cause ...
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1answer
51 views

Direct Ethernet IPCam and Wifi for browsing - Networking setup

I would like to connect 2 ipcams via a switch to the RPI 3B+, and use the WiFi to connect to a router (to use the webbrowser etc), and also use the router for VNC The ethernet is used to send ...
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1answer
2k views

Raspberry Pi 4 WLAN problems

I can not connect to a (probably hidden) wireless network with my RPi4. My wpa_supplicant.conf: ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 country=DE network={ ssid="...
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1answer
149 views

Long range interface between a Raspberry Pi and a smartphone? [closed]

I would like to control a Raspberry Pi 4 with my smartphone (for my drone). Now I'm looking for an interface between the RPi and my Android phone. Requirements: Control with a web interface or app ...
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2answers
311 views

Setting up an Ad-hoc Network on Raspberry Pi 4 Running Buster

So I previously setup my ad hoc network on my prior Raspberry Pi 3B by adding these lines to my /etc/network/interfaces file: auto wlan0 iface wlan0 inet static address 10.2.1.1 netmask 255....
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1answer
325 views

How to use Ethernet and Wifi on Pi3b+ and Raspbian buster

Yes, I am aware that similar questions have been asked before on this StackExchange but almost all of those are old and don't seem to be working for me. After googling around I found that things have ...
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1answer
306 views

Automated (Scripted) Configuration of Raspberry Pi Access Point

Are there any opensource scripts/repos that automate configuring a Raspberry Pi into a Wireless Access Point?
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1answer
99 views

Cannot ssh into Raspberry Pi Zero W over wifi after enabling ssh

I'm trying to set up my Zero W to use as a headless server, so I've taken the following steps: Flashed Raspbian Buster Lite onto the SD card Put a file named wpa_supplicant.conf in the boot/ ...
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1answer
77 views

Wireless interface removed when DHCP lease expires

I have configured the wireless interface on my Raspberry Pi 3 as follows: allow-hotplug wlan0 iface wlan0 inet dhcp wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf wireless-power off iface default ...
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1answer
1k views

Raspbian Buster - Keep network interface down on boot

I am configuring my raspberry pi zero w for a project in which I am using a micro-USB Ethernet (eth0) and WiFi (wlan0) as network interfaces. I am using wpa_supplicant to configure wlan0 to connect to ...
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1answer
39 views

Wifi disabled after reconfiguring HDMI

I am using a Raspberry Pi 3 A+ with Raspbian Stretch (updated/upgraded about a month ago), connected to a Manga Screen 2: http://wiki.thing-printer.com/index.php?title=Manga_Screen_2 I have used this ...
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0answers
64 views

Sending data from raspberry pi to mobile app

I am new to raspberry pi and still in the learning phase. I have a small project which requires the communication between pi and android app. I need to accomplish the following task - establish a ...
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1answer
28 views

How to set up “sign in to network” page [closed]

I' would like to set up a Sign in to wifi page (like many businesses have it in ther public wifi) for the wifi my Raspberry Pi hosts. How do I set this up? Is there a specific port I have to use? ...
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1answer
23 views

Pi stopped connecting to wifi in fedberry?

I'm using a rpi3 b+ and fedberry 27. I had connected to wifi previously, now it suddenly stopped working. In edit connections I shows that I have my wifi network as a saved connection and my password ...
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1answer
52 views

Wifi repeater with bridge: connected but no internet on mobile phone but works fine on MacBook

I live in a dorm where I don't have the physical access to the router. I want to set up a Pi as a Wi-Fi router with a bridge so that I could connect Philips Hue Bridge via Ethernet and then control ...
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1answer
176 views

Raspberry Pi ethernet network bridge with seperate wireless connectivity

As explained here, I built an Ethernet bridge using a Raspberry Pi 3b+. As an extension, I am now trying to connect it to the internet via the Wifi interface. For that I configured the wireless ...
2
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0answers
115 views

Raspberry pi DSRC

i want to implement DSRC on the raspberry board as i know DSRC( dedicated short range communication) uses frequency range 5.84-5.96 GHz. But i am thinking if i can do it by enabling dual mode by 5GHz ...
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0answers
27 views

Send command (start/stop) wirelessly to a DC motor from raspberry pi3

I know we can connect a dc motor with GPIO pins and star/stop/control speed etc. of it. Is there any way to control that motor wirelessly(over wifi/bluetooth) from raspberry pi? Raspberry pi in one ...
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2answers
41 views

Second wifi (dongle) only as local network

I'm running Raspberry Pi (3B+) 9 (stretch) Wlan0 connected to WAN with network info stored in wpa_supplicant.conf. I recently purchased an Wifi dongle in order to create a wireless access point from ...
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0answers
256 views

Raspberry pi running hassio wont connect to internet/network all of a sudden?

I have a raspberry pi 3b+ which i use at home to run all my home automations stuff - one day when i came back from work nothing worked? all my dashboards, my lights, all automations nothing worked.. ...
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1answer
507 views

Wifi Speakers like bluetooth speakers using raspberry pi 3b+

So basically I was able to use my raspberry pi as a bluetooth audio out device that is, connecting a speaker via audio jack I'm able to make it a Bluetooth speaker. I'm wondering if there's a specific ...
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1answer
267 views

How do I connect my Raspberry Pi 3 B+ to a hidden network? Nothing I've read works

I just installed Raspbian on my SD card, but I cannot connect to my network initially because it is hidden. I've tried following the guide https://raspi.tv/2017/how-to-auto-connect-your-raspberry-pi-...
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1answer
44 views

Wifi access point suddenly stops working

I use raspberry pi 3. I have followed the official documentation + some troubleshooting to get it to work. I will share my configuration files. I have a suspicion that it has something to do with my /...
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3answers
105 views

Where is the wpa_supplicant file?

How do I access the /boot partition on the SD card so that I can edit the wpa_supplicant.conf file?
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1answer
103 views

sudo iwlist wlan0 scan not work

Background I connected MacBook Pro with Raspberrypi3 B+ by Lan and SSH because I have no keyboard and monitor for PI3. ssh pi@192.168.2.3 OS : raspbian-stretch-lite Model : Raspberry Pi3 B+ pi@...
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0answers
32 views

Raspberry Pi Date and Time wrong with using both Ethernet and WiFi

Update I resolved the issue. My static ip address had a default gateway set. Once removed the issue was fixed. I have a Raspberry Pi that I use in headless mode, and it has been configured to ...
2
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0answers
23 views

How to run a Rpi3 or Rpi0W as access point with a login screen?

When connecting to an open access point in a public location, the browser shows a notification to open up a 'login' page for this open network, where you can read and accept the terms and conditions, ...