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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.

-2
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0answers
16 views

Power management in Windows IOT

Because my project is in the field and not in a lab, power consumption is a significant issue. According to specification an idle Raspberry Pi 3B+ bare board has a current draw of 330mA. Long term ...
6
votes
1answer
222 views

Is it possible to simultaneously use the dual band(2.4 Ghz and 5 Ghz) of Raspberry pi 3 B+ to create an AP?

Is it possible to simultaneously create a single AP on raspberry pi 3 b+ which uses both 2.4 Ghz and 5 Ghz bands so that users with low end devices can connect to the 2.4 Ghz band and users with ...
2
votes
1answer
275 views

WiFi drops out when I remove ethernet cable

When the Ethernet cable is plugged in, WiFi works just perfectly. I can SSH and HTTP into the pi. However, when I remove the Ethernet cable, the WiFi drops out. The Gui shows that there are no WiFi ...
0
votes
0answers
16 views

Connecting Raspberry Pi Zero W to wifi

I've just set up a Raspberry Pi Zero W - my first Raspberry Pi. I've loaded Raspbian into it without trouble, but I can't connect it to WiFi. It can find my home network easily, and lets me key in ...
0
votes
1answer
733 views

Workaround for a wifi bridge on a Raspberry Pi with proxy arp

I want to bridge the wifi interface with the ethernet interface on a Raspberry Pi so any device on the ethernet port becomes a member of the wifi network. Usually this is done by a bridge (OSI layer 2)...
0
votes
1answer
36 views

WLAN connected but no internet

I already tried dist-update and this post I have a Raspberry Pi 3 B + and my operating system is "Raspbian GNU/Linux 9 (stretch)" I am connected to it using a Lan cable and use ssh or Remmina to ...
36
votes
4answers
82k views

Add an external antenna to a Pi 3

Makezine's writeup on the Pi 3 this morning included a somewhat tantalising section: The other interesting thing on the back of the board, right next to the wireless radio chip, is something that ...
0
votes
0answers
12 views

Raspberry pi Proxy ARP wifi bridge + extra ethernet adapter

Going through this thread: proxy ARP WiFi bridge Raspberry Ingo´s solution is working fine for me but I´m looking for an extra... With this WiFi bridge I want to use an add USB-Ethernet adapter (...
2
votes
0answers
13 views

Pi with PulseAudio over wifi - can't connect

I was trying to set up my RPi 1 as audio device for my laptop and found this answer. On the RPi all the steps worked fine, except that /etc/default/pulseaudio is empty. But in the linked answer the ...
0
votes
1answer
289 views

BerryBoot will not connect to any wifi network

Trying to get berryboot on my Pi 3B to connect to my WiFi has been a PITA. When connecting it says "connecting" for a few seconds and then errors with Error connecting or obtaining IP-address. Check ...
0
votes
0answers
7 views

Linkit smart 7688 MPU Live video streaming 10+ seconds leg how to minimize it

i am live streaming my cam connected with linkit smart 7688 mpu and streaming live video on button press but have leg of almost 10+ seconds any one plz guide me how to optimize it as best level. even ...
0
votes
0answers
24 views

This site can't be reached

My Raspberry Pi is successfully connected to internet but my chromium browser is showing the error "This site can't be reached".
0
votes
2answers
380 views

Automatically switch between WiFi and Ethernet with static IP

As per the documentation found here I have setup my dhcpd.conf with the following: interface eth0 static ip_address=192.168.4.102/24 static routers=192.168.4.1 static domain_name_servers=8.8.8.8 ...
0
votes
3answers
744 views

Hotel WiFi to Ethernet Bridge

I am going to be staying in a hotel in the future, and I need to be able to use Ethernet devices there. The hotel provides free WiFi, however it has no way of providing Ethernet. I have the idea of ...
0
votes
0answers
11 views

RPi 3 can't find Windows PC hotspot

I am studying abroad for a month and need to be able to ssh into my pi. The hotel's WiFi won't allow my PC to ssh over their network, so I am trying to turn my laptop into a hotspot and connect the pi ...
0
votes
1answer
19 views

Devices connected to raspi router are not lan visible

I have recently setup a RPi0W as a means to connect my Echo Dot to my University's WPA-Enterprise network (MSCHAPv2). I was successful in doing so following this Wifi Repeater Guide and modifying the ...
1
vote
1answer
347 views

Raspberry Pi Internet Issues

On my raspberry Pi 3B, attempting to access the internet for downloads fails. Anything that uses it (chromium, apt-get, etc) does not work, giving errors such as DNS server not found, or just hanging. ...
1
vote
1answer
312 views

eth0 prioritize over wlan0, although it has no internet access

My pi is connected to my home router using wlan0, and have access to internet successfully When I plug my pi with an Ethernet cable, connected to other router, not connected to internet, I cant ping ...
0
votes
1answer
281 views

wlan0 is Associated, and Configured, but why is enxb827eb4c6cc9: Link is down?

Raspberry pi 3. Wifi was working fine, I didn't change anything, and suddenly it stopped working. The only difference I can see between my situation and others is that they're also not associated and ...
-1
votes
1answer
6k views

Set domain name for raspberry pi?

I have set up a communication system for my pi to receive commands from my computer with netcat running on the pi, and processing on the computer to control a robot. My issue is that I have my ...
2
votes
1answer
2k views

Raspberry Pi WiFi to Ethernet Bridge for a server?

I wanted to create a Wifi to Ethernet Bridge on my Raspberry Pi, similar to this one. The problem is: I want to conntect a Network Harddrive (WD MyCloud) to the ethernet side. The Harddrive seems to ...
4
votes
2answers
368 views

Unable to connect to wifi--does nothing

I just purchased a pi 2 through the CanaKit, and I'm having some issues getting the wifi dongle to work. It scans for networks and finds mine, but when I put in the passcode and click "OK," ...
5
votes
2answers
146 views

How can I replace Raspian SSH host keys if I can't login to pi? (“connection refused”)

After configuring a new Raspberry Pi Zero W, I have not been able to ssh into it over WiFi. The IP address is assigned and pingable, but I get 'connection refused' errors. After some research, I ...
0
votes
1answer
293 views

Raspberry Pi Model 2B Hostapd installation error: Unable to locate package

So, I am trying to set up my raspberry pi model 2B as a wifi hotspot. All the articles recommended installing and using hostapd and dnsmasq. I was able to install the dnsmasq package without any ...
0
votes
3answers
43 views

How do I set up a OpenVPN tunnel for Raspberry Pi on LAN without internet connectivity?

My setup is described in the image above. I have a raspberry pi connected to a router via Wi-Fi and the router is connected to a host via a Ethernet cable. The router doesn't have a internet ...
0
votes
1answer
304 views

Rasp Pi3 VNC viewer only works if eth connected, either eth or wifi

TightVNC and VNC Viewer both work on either ethernet or wifi ip::port addresses if the e'net cable is plugged in. Neither work on wifi if the e'net cable is diconnected. The problem has been stated ...
0
votes
1answer
285 views

Connecting to local wifi and wifi at same time

I have a RPi 3 B with a WiFi dongle. I'd like to connect the built-in RPi WiFi (wlan0) to a wifi router that is not connected to the internet, just local. I'd also like to connect the WiFi dongle (...
0
votes
1answer
409 views

Why can't I switch from the ad-hoc network settings to the wifi settings?

I followed the instructions from this link to set up an ad hoc network. I get the following strange behaviour. If my /etc/network/interfaces file is the "wifi - regular" file on boot then everything ...
1
vote
3answers
9k views

Raspbian wpa_supplicant fails, which service to (re)start?

I'm using Raspberry Pi 2 installed with Raspbian (Debian Wheezy) ~ Release date: 2015-02-16. Every now and then wpa_supplicant dies on me and usually when I'm remote and I cannot do anything other ...
5
votes
2answers
346 views

Cannot access internet wlan0 WiFi Adapter

I am trying to connect internet using a USB WiFi Adapter I bought this afternoon. It is a TP-LINK TL-WN725N. 1) - I searched on the internet, and many users are using this adapter. I first installed ...
0
votes
0answers
18 views

Determine if wifi has been fried

I have been using a Raspberry Pi Zero W for the last few weeks, and have it set up to connect to a hotspot automatically. Yesterday, I was using the GPIO pins to drive an L293D motor controller -- ...
0
votes
1answer
45 views

Failed to start raise network interfaces & wifi devices say 'device not ready' in the network manager

I'm trying to get the wifi working on my raspberry pi but the devices say 'device not ready' and when the pi boots it says failed to start raise network interfaces. Any help would be appreciated. ...
1
vote
2answers
463 views

Cannot get WiFi to work on otherwise fine RPi 3 B+ running Stretch

I just installed stretch on my RPi 3 B+ running Raspbian Stretch. During installation it asked for my WiFi network info. However, it wouldn't accept it. I have it now working with a wired internet ...
0
votes
2answers
2k views

Connect Raspberry PI to internet with wifi smartphone tethering while also accesing Rpi's webserver from the same phone

The title is self explanatory. I wan't a standalone system in a raspberry pi that only access to the internet when you configure it from a smartphone, (accessing to rpi's local web server). I already ...
0
votes
1answer
262 views

Unstable Wi-Fi after some time on Pi 3B

I have a few Pi's over here and all devices have the same issue: When connected to a Wi-Fi network te PI is starting to cause issues with either accessibility from outside (ping, ssh, etc.) and also ...
0
votes
1answer
415 views

Read barcode via USB scanner then send it to database

I need to read some barcodes from 10 different working stations, unfortunately I can't put a PC on every station because the space is really small. Given the little space I have I would like to use ...
0
votes
1answer
435 views

Raspberry 2B multiple static wifi connections

I have a problem cofiguring Raspberry's 2B wifi connection. I have a usb wifi adapter that is detected by raspberry. What I want to achive is to connect to wifi immediately after boot. I need only to ...
2
votes
1answer
385 views

How to automatically connect to a known wifi and if it doesn't find it, connect to LAN Ethernet?

I wanted my Raspberry Pi 3 to automatically connect to a known wifi, so I edited the file /etc/network/interfaces: auto wlan0 iface wlan0 inet dhcp wpa-ssid ssid wpa-psk password and then I ran ...
0
votes
0answers
18 views

Help with connect / disconnect script

Very noob to Pi programming but am tech savvy. Can somebody help with the 2 questions below: 1) How to I go about setting a script to run boot 2) Can you also help with a script to do the following: ...
2
votes
3answers
326 views

My rasp Pi cannot found wifi

I guess it is because I have logged out it once by accident. and the pi now cannot get any wifi network and just shows "no AP found scanning" I have tried to do the command "sudo ifdown wlan0 &&...
0
votes
1answer
18 views

wlan and eth disabled at the same time

I'm using 3B+ and there is something wierd. My pi connects to my router via wifi and cable at the same time without a problem. I can both ssh to the wlan ip and the eth ip address. However, when I ...
1
vote
2answers
2k views

Bcm 43143 Hostapd Driver Problem

I am trying to establish an AP media server with Raspberry Pi 2 and was following the Adafruit guide: setting up a Raspberry Pi as a WiFi access-point. I have completed that but at the start step my ...
1
vote
2answers
1k views

RPi 3 B+ will not connect to hidden Wifi

I have two devices, both are B+, one is a rev. 1.2 the other rev 1.3. I have configured one SD card and when used in the rev 1.2 it connects without issue to the hidden wifi network. However, when ...
0
votes
1answer
860 views

Raspberry Pi 2: Using WiFi on BerryBoot

I'm using a Raspberry Pi 2. I can not use WiFi while running Berryboot. I'm having issues in my Network Settings where I can only use Ethernet.
1
vote
1answer
27 views

Turn Raspberry pi stand alone network on and off

I have seen the tutorials for creating a stand alone network on raspberry pi like the one on The Raspberry Pi site and the nice tutorial in this previously asked question but what is not clear to me ...
2
votes
1answer
113 views

Swapping between wifi client and access point?

This question is an extension of the information on this post. This question looks the same as this one but it is not. I am using systemd-networkd. I successfully followed the instructions in the ...
0
votes
2answers
376 views

Wifi on raspberry pi blocks incoming connections from the router

I'm having a networking problem connecting to my raspberry pi from the internet through the router. These are the facts and things that I have tried: My raspberry pi is connected by both wlan0 and ...
2
votes
1answer
82 views

Raspberry Pi 3b+ as a wireless access point: nl80211 driver initialization failed

I'm trying to set up a Raspberry Pi 3b+ (running Raspbian Stretch) as a wireless access point (using the built-in wireless interface) following the official documentation. After setting up /etc/...
1
vote
2answers
3k views

How to improve wireless throughput on RPi 3 b+ in AP mode?

I've upgraded from 3 to 3 b+ in hopes of improving throughput on wireless network (using built-in wireless chip as AP and wired connection on the other end). I've configured it to work in 802.11ac ...
1
vote
1answer
1k views

How to configure pi for wifi at home using static IP and wifi at other location using dhcp?

I have a raspberry pi (jessie) which I would like to use both at home and at another location. In case the raspberry pi is used at home then it should connect to my wifi router and use a specific ...