Questions tagged [wireless]

Wireless is a term used to describe anything that can, due to new technologies, function, fully or partially, without wires. Generally this is wireless network (WiFi), or wireless connection with USB devices (bluetooth), but wireless power is also starting to emerge.

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Raspberry pi 3 B with Buster can't be pinged, wlan0 stuck in DORMANT

I'm trying to use the built-in wifi on my pi. I upgraded the OS on my Raspberry pi 3 B from Jessie to Buster. Since the upgrade, I haven't been able to ping my pi. I noticed that ip link showed wlan0 ...
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How can I control a Raspberry Pi over Bluetooth with an Android Smartphone?

I am looking for ways fo control a RPI with Kali Linux over Bluetooth. I would like to be able to turn on the RPI and connect to it via Bluetooth without using a screen, a keyboard and a mouse. I ...
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Is it possible to access an Android Phone's volume permission and control it with RaspberryPi?

I want to have a wireless network using RaspberryPi where it connects with an Android phone, accesses its volume permission and turns it down. Any inputs on how to go about this?
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52 views

Maximum Raspberry Pi 4 WiFi hotspot clients

I have configured Raspberry Pi 4 as a WiFi hotspot with hostapd on Raspbian Buster. I connected 10 clients, no problem. I want to use it as a Free WiFi. So, I concern to know how many clients could be ...
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35 views

wpa_supplicant: sync channels between two wireless (virtual) interfaces

I'm working with a raspberry pi zero w with a stripped down distro - NARD, and I would like to use two virtual wireless interfaces, one running in AP mode (service network) and the other connecting to ...
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28 views

Port forwarding issue. How do I troubleshoot?

I have a Pi, running Raspbian 10 Buster. I would like to portforward VNC and transmission. I have opened the ports in my router, firewall. The ports are still "closed". I was trying to see why is ...
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48 views

Raspberry Pi 4 Wifi disconnected after change screen resolution

I'm having some problems with Raspberry Pi 4... The wifi works normally when I use 1920 x 1080. But when I change the resolution from 1920 x 1080 to 1280 x 720, the wifi suddenly disconnected and ...
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14 views

2 Wifi cards with 2 different jobs

I have an RPI 3B+ and a wifi dongle that can support monitor mode. I look for ways on google on how to use the internal card to connect to ssh and the wifi dongle to use it for monitor mode using the ...
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56 views

How to configure raspberry pi as wireless router and web server at the same time?

I configured my raspberry pi as a wireless access point with a bridge between eth0 and wlan using this tutorial but now I can't access it. I'm not quite good with networking, but I think it doesn't ...
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(Wiring) RPi 4B laptop keyboard

NOTE: Not that I've chosen a few wired keyboards, I'll accept an answer that explains HOW to (easily) wire a keybard to the pi - it cannot obstruct the use of a small fan powered by the GPIO. I'm ...
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38 views

How to toggle wifi based on Ethernet connection?

I've tried a dozen different searches, but nothing has turned up exactly what I need. Here's my use case: [Minimally at boot, bonus if dynamically] If Ethernet has (or obtains) link, configure ...
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I wanna make a raspberry pi car using an RC car. I would like to know if the servo multiplexer is necessary? [closed]

I've asked this question in the Robotics Stack Exchange and I am asking here as this is kind of important and I need some answers fast. My apologies if this is rude or if it causes problems in any way....
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52 views

wpa_supplicant.conf Changes Disappear

I'm trying to setup my wireless on a raspberry pi 4 running raspbian, and I'm making changes to the wpa_supplicant.conf file per other answers here on Stack Exchange. However, after I make the ...
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16 views

No wireless interface found [duplicate]

I've just got a raspberry pi. However I cannot connect to my wifi. Here are what is in my /etc/wpa_supplicant/wpa_supplicat.conf: ctrl_interfsace=DIR=/var/run/wpa_supplicant GROUP=netdev ...
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158 views

Pi Zero W configuration to run AP + Client Mode on Raspbian Buster lite

I have a project in which I need to configure a Raspberry Pi Zero W to run both wireless AP and Client mode at the same time. I've seen the tutorials and methods others have used on Raspbian Stretch, ...
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221 views

How can Rpi4B use UART to read and analyze received data at a 3DR FPV Air Radio Module?

I am trying to set up the FPV telemetry radios (Air and Ground Module 433MHz). I have connected the Ground module to my laptop (USB) and air module to Raspberry Pi 4 UART pins. Using Mission planner ...
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136 views

My wlan0 interface is not coming up

I have a raspberry pi 3 that I was using as hostspot. Today I booted it and the wlan0 interface is gone when typing ip a When doing raspi-config and try to configure a wireless interface, I receive ...
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25 views

Raspberry Pi couldn't find wireless interfaces!

After a while I have started my raspberry pi, the wifi disconnects and when I am clicking on my Wifi icon it is saying No wireless interfaces found How am I supposed to solve this?
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114 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
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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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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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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Noobs wireless detection

Im reinstalling my raspberry and once i inicialize noobs and search for networks it does not detect my home network but it detects my neighbours. Once it install the raspbian OS, the OS already ...
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175 views

Raspbian crashes when connecting to AP

Following Raspberry Pi's own tutorial for setting up an access point (https://github.com/raspberrypi/documentation/blob/master/configuration/wireless/access-point.md) from a clean Raspbian Buster ...
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49 views

USB Camera with Rasperry Pi: Sending raw data from dev/video0 to PC through tcp/udp

I want to send the raw USB data to my laptop to process it and then send it back (image processing). Is there any way I can just send the data through tcp/udp without raspi doing all the hard work?
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102 views

SSH connection hangs in Mac OS Terminal - No prompt for password

I've been SSH'ing into my Raspi 3 B+ for some time now from my Mac OS with no issues. I recently set a static IP address for my Pi on a LAN network connected via ethernet cable. I edited sudo nano /...
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24 views

Simple wireless camera with API recommendations

I have a whiteboard and want to build a setup where I can press a button and have a picture of the whiteboard delivered to google drive. I have a raspberry pi that acts as a little toy server for ...
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800 views

Automatically Create Hotspot if no Network is Available

I want to automatically create an access point, if there is no network found, so that I can connect to my Raspberry Pi everywhere. If nobody is connected to the hotspot for a while it should search ...
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100 views

What is the exact configuration (e.g. MIMO configuration) of the 802.11ac of the Pi Model B?

The specs for the Pi 4 Model B say dual band 802.11ac but not the degree of MIMO, critical for performance. What is it. Is there provision to add external antennae?
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86 views

Utilising a Raspberry Pi as a wireless access point and a webserver

I have followed the official Raspberry Pi documentation's guide to setting up my Raspberry Pi as a wireless access point, with a shared internet connection using the bridge functionality discussed at ...
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107 views

Raspberry PI 3 with Funcube Dongle Pro+ SDR does not read the antenna

I am trying to configure my RPi3 into a small receiving ground station. I already have installed the gnuradio, gqrv, gpredict packages. The RPi is connected to an SDR dongle (Funcube Dongle Pro+) with ...
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1answer
55 views

raspberry pi serial communication function (serialdev)

I'm working on a radar project and I want Matlab to send commands and collect radar data remotely from the USB port of a Raspberry Pi 3 B+. My setup is as follows: I have the radar connected to the ...
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40 views

My Raspberry Pi disconnects from the Wi-Fi network randomly

I am experiencing an issue related to wifi network sleeping or disconnecting, that has been persisting despite trying this methods: Changing the power management setting to off using iwconfig wlan0 ...
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2answers
130 views

Advice on how to use a RPi to connect Smart TV to the internet via wireless

I have a Smart TV that has ethernet but no wireless capabilities. I also have a spare RPi1 (Model B) with a wireless USB adapter. Is there anyway I can use the Pi to connect the TV to my wireless ...
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61 views

2 Wifi NIC's that each only connect to one (different from each other) network

The Setup: Raspberry Pi 3 B (Raspbian GNU/Linux 9 (stretch)) and boots to Command Line (internal Wifi NIC) [wlan0] additional external Wifi NIC [wlan1] What I want to achieve: I Have two different ...
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250 views

Using pi to host small wireless network - Hostapd configuration not working

I am trying to set up a small wifi network (offline) using the guide found here. https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md Below I have given my terminal ...
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1answer
451 views

Xbee-API python

I'm trying to use my Raspberry Pi B+ as a gateway so others sensors, also with xbee, can send data and get a few kind of commands by it. The problem is that i can only read the data with the simplest ...
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1answer
66 views

Forward AP wlan0 to eth0 not working

I've recently boute a raspberry pi and wanted to create an additional wlan access point for my router. So what I did is, I followed this tutorial: https://adityashrm21.github.io/Raspberry-Pi-Packet-...
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317 views

Setup WiFi on Pi 3 B+

I follow this tutorial to setup WiFi on my Pi. But it doesn't work. Can someone help? Here are some debug outputs. os: Linux raspberrypi 4.14.98-v7+ #1200 SMP Tue Feb 12 20:27:48 GMT 2019 armv7l ...
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19 views

raspberry pi 3 with Kodi Leia installed

I have the above configuration and successful connected it with my linksys ea8100 wireless router. Unfortunately, my ea8100s failed me and I replaced it with linksys ea9500. However, my pi now does ...
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58 views

Automatically toggle Pi Zero hot spot/wifi client off and on

1I'm trying to set up Pi Zero W a wireless client in an embedded application that will first allow a user to log in to a hot spot, then select a wifi router accessible by the Pi, log in to the ...
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252 views

Raspberry Pi 3 wireless access point from Enterprise Network ethernet not working (hostapd)

I am currently trying to setup my raspberry pi 3 to be a wireless access point. It is connected to an Enterprise WPA2 802.1x network via Ethernet. I have credentials for the network but it was easier ...
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32 views

RPI3 WiFi connection is established only when connected to the access point with a LAN cable

I can successfully connect to my RPI using SSH when the RPI is connected to a wireless access point and powered by a Xiaomi battery; but I cannot when I pull off the power and plug in the socket & ...
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82 views

Checking Voltage Level at GPIO Pin Program

I’m trying to write a program that will loop through 3 GPIO pins connected to an external charging pad and see if a device has been placed on the pad (high voltage). If high signal is detected the ...
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66 views

Wireless communication for RC project

I'm planning to build a remote controlled car based on either a Raspberry Pi 3 or a Raspberry Pi Zero (the one with bluetooth and WiFi). Currently I'm struggeling with how to communicate with the Pi. ...
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784 views

What is the fastest way to send commands to Raspberry Pi over ethernet?

I'm working on a IoT project. The idea is basically: I have a notebook running a Python program that get frames from an IP camera, process it, and based on the result change a Raspberry Pi GPIO pin ...
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74 views

Raspberry Pi zero W - Sharing files wirelessly to a Windows device without internet connection

I'm actually working on this project where we have to transfer images taken by the raspberry pi zero W wirelessly to another device. I know that this model of raspberry pi has a wireless network (wifi/...
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1answer
145 views

How do I start and stop the on board wireless access point?

I would like to have my wireless access point available at particular periods of the day and not at others. I have a RPi3+ running default Raspbian and followed https://www.raspberrypi.org/...
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332 views

Use mobile as remote via Bluetooth

I got Libreelec on my Pi Zero W, and I want to use my phone as remote over Bluetooth. How can I do that?
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13 views

Wireless issues - interfaces randomly assigned

I have a RP3B+ with a Kali Pi build and am having some newbie wireless issues. I have a Ralink RT5370 that I'd like to enter monitor mode on boot, but wireless interface assignment is inconsistent on ...