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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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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211 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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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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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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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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42 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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26 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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39 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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35 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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65 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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54 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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33 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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118 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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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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50 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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187 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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24 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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36 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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42 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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192 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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37 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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82 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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127 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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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 ...
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174 views

Voice recognition and processing using a wireless microphone and a wireless speaker on RPi 3 B+ [closed]

I have installed Google Assistant on my Raspberry Pi 3 B+ and it seems to be working fine. My setup is: The voice input is through a USB microphone. The output is through the 3.5mm jack (I use a ...
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67 views

Problems with new Pi 3 b+

i am absolutely new to pi really floundering. I've written a wpa_supplicant.conf file that looks like this: country=NZ ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 network=...
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21 views

How many RPi 3 can connect each other in an ad-hoc manner using WiFi adapters?

How many RPi 3 can connect each other in an ad-hoc manner using WiFi adapters? What are the possible problems?
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81 views

Multiple Raspberry Pi WiFi NetWorking

I have 10 Rasp. I want to communicate them with each other. Making one of them as an hot-spot Wi-Fi access point and connect the other 9 Rasp. to it, is possible. But it is not fault tolerant. If the ...
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97 views

Connecting to raspberry pi to set up wireless access point

I am using the following link :https://thepi.io/how-to-use-your-raspberry-pi-as-a-wireless-access-point/ to set up my raspberry pi to act like a wireless router. So far I have installed raspbian on a ...
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665 views

Trouble Connecting Bluetooth Keyboard After updating and upgrading Raspbian

I recently updated and upgraded my raspberry pi 3 b+, and now my Logitech keyboard K480 will not connect. It was working fine until this happened. I'm looking for any tips to see what I'm doing wrong/...
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38 views

p2p - Send data from Windows Computer to RPI [closed]

I want to be able to send a small amount of data quickly directly from a windows machine to a Raspberry Pi 3 B+. My restrictions include: Preferably not having any sort of wired connection between ...
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36 views

Raspberry pi randomly disconnects my wlan0 but keeps working through eth0 and even wlan1

I have a raspberry pi 3 which will randomly disconnect from my wifi network. If I do ifconfig I can see that wlan0 has no IP address anymore. However, eth0 still has and my wifi dongle in wlan1 also ...
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41 views

Scan search USB port and manipulate the data received from wireless modem

Any example which helps me to search the automatic USB port availability in raspberry pi and sends the information of wireless sensor network, which uses the wireless modem as a gateway receiver. I ...
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2answers
226 views

Raspberry Pi batman-adv ad-hoc network setup unreliability

Problem: I am trying to configure batman-adv network on raspberry pi 3b+ following this, using on-board wlan0 interface coming with raspberry pi 3b+. Once the network is executed by following all ...
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33 views

What could trigger the removal of the WiFi device?

I discovered this morning that wlan0 on my RPi vanished during the night (at 04:14:13 in the unaltered log below): Dec 18 03:38:46 rpi1 wpa_supplicant[407]: wlan0: WPA: Group rekeying completed with ...
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1answer
146 views

Controlling Raspberry pi3 Wirelessly with HTML (Lighttpd)

I've been working on a Obstacle avoidance robot using Ultrasonic and IR sensors. The scope of my project is to execute my program over the air. Control the robot's movement using mouse or touch ...
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1answer
335 views

nmcli not detecting any network on R Pi 3 (controlled via SSH Ethernet)

SETUP: I plugged my laptop (Ubuntu 14) to my RPi 3 (Raspbian Stretch) via ssh over an Ethernet cable. PROBLEM: Doing nmcli dev wifi on the laptop gives me a whole bunch of networks. Typing the same ...
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386 views

hostapd 802.11n/ac bandwith [closed]

Some 802.11* standards support multiple bandwiths (20MHz-40MHz-...) and accordingly higher bandwith (in Mb/second)... with this hostapd configuration file, its not entirely clear if we can manually ...
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128 views

Two raspberry pi with wifi communication and pc with wifi or ethernet network

I want to setup a network between two raspberry Pi and a pc. The Pi's should use Wi-Fi to communicate with each other, and for the pc it doesn't matter if it's with an ethernet cable or over Wi-Fi. I ...
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1answer
362 views

Make wifi onboard as an access point and wifi dongle as a client

I want to turn my raspberry pi 3 witch installed Raspbian OS to access point and client to access wifi and bridge these two each other (in this question it's better to skip this bridge part). Exactly, ...
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1answer
200 views

OVS + Hostapd Raspberry pi setup

My experimental aim is to create OVS+Hostapd on raspberrypi 3B Module connected to PC as sdn controller. initial ovs configuration is ovs-vsctl add-br0 br0 ovs-vsctl add-port br0 eth0 Setting up ...
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1answer
56 views

Remove device history wireless hotspot

I have been using Raspberry pi 3B as a wireless hotspot following this How to use your Raspberry Pi as a wireless access point. I think there is a limit to a number of devices that can be connected to ...
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1k views

WiFi Mesh Network Setup

I've been trying to setup a wifi mesh network, with no success. I've tried: straight 802.11s - Didn't work at all cjdns (Tomesh) - formed a mesh network, but unreliable, slow data rates batman-adv - ...
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2answers
319 views

Small wireless temperature sensor recommendation [closed]

I am working on a human-care project using RPi. The second phase of project is in progress, and I need small wireless temperature sensor to be able to place on a human body. I've searched the internet,...
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1answer
406 views

Independent Eth and Wlan both with DHCP giving access to Pi without bridging

I have Motion running on my Pi. I want to be able to access the Motion interface/feed (hosted on <pi ip>:8081) to be accessible both via WiFi and via Ethernet with a static address and DHCP for ...
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1answer
9k views

Raspberry Pi Zero W as a WiFi repeater

I'm currently trying to setup my Raspberry Pi Zero W as a WiFi repeater, but the kicker is that I don't want to use another USB WiFi card. First of all, is this even possible, and if it is, what ...
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1answer
498 views

Internet Speed in Pi Zero W

Internet speed on raspberry pi zero W is too slow. I've measured the speed in same way on my computer with same IP but the result is incredibly different. Test on raspberry, pi@raspberrypi:~ $ ...
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1answer
217 views

Sending data to and from raspberry pi 3 wirelessly using wifi / sim network data

I'm looking for advice regarding sending and receiving data between raspberri pi 3 and other devices assuming everything has internet connection. The data I'm looking to send doesn't have to be ...
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277 views

hostapd is adding a route and default gw on wlan interface

I'm having a race condition where I'm starting hostapd before I'm able to set up my internet connection (through a GSM USB dongle). If this happens, hostapd is adding a route and default GW to the ...
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259 views

Wireless Gyro/Accelerometer Sensors for Raspberry Pi

Is there a way to have a wireless gyro/accelerometer sensor connected to Raspberry Pi? Have worked with single MPU-6050 in the past. Was wondering if there was a way to have a wireless sensor instead....