All Questions
54 questions
1
vote
2
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50
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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 ...
1
vote
1
answer
273
views
WiFi/BT link on desktop as icon
I'm setting up a Pi4 to land on a blank page and have streaming services like Netflix as large icons and they run in kiosk mode. So I've hidden the bar across the top. What I would like to do is to ...
1
vote
1
answer
583
views
RF Direction Finding
Is it possible to build a system with a raspberry pi and antennas to find the rough direction of a radio frequency emitter such as a Wifi router, a Bluetouth Tag, or, a 5G cell tower?
I cannot use ...
0
votes
2
answers
411
views
Sendind data from Huawei Scale 3 to Raspberry Pi
I plan to buy wireless body scale and it would be nice to get that data wireless to my Raspberry Pi 4.
I don't want to use any smart phone apps and clouds.
OpenScale supports many scales but it is ...
0
votes
1
answer
303
views
How do I send user's wifi credentials to my RPI wirelessly?
I am working on a project which would require me to connect my Rpi 0 w to my home wifi. I want to send the pi wifi credentials(ssid and psk) over my phone the very first time and then on subsequent ...
0
votes
0
answers
1k
views
Wireless button to trigger py script on raspberry pi
I'm looking for ideas and products that would enable me to run this setup with a raspberry pi:
I'm looking for a wireless wifi or bluetooth button that can be paired or connected to a raspberry pi on ...
-1
votes
1
answer
581
views
Constant dhcpcd errors: eth0: authentication failed from IP address: No such file or directory
My syslog is full of these errors:
Feb 14 13:24:50 raspberrypi dhcpcd[564]: eth0: authentication failed from aa11::1111:aaaa:aa11:a1a1: No such file or directory
Feb 14 13:25:54 raspberrypi dhcpcd[564]...
0
votes
2
answers
3k
views
Send data to pc over bluetooth or wifi
I am working on a project where i have a motion sensor connected to a arduino connected to a raspberry pi and when the motion sensor detects movement i turn of my Windows pc. I want to connect the ...
0
votes
1
answer
1k
views
Wifi, BT on RPi4
Question is very straightforward:
Who is the manufacturer of the onboard Wifi of RPi4?
All datasheet and specs only shows:
2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE
I'm ...
12
votes
1
answer
4k
views
Raspberry PI 3B. Wifi and bluetooth shared antenna?
I'm working on a project that involves WiFi and BLE, and for this I would like to use an esp32 due to its lower price, but there will be timing issues since the wifi and Bluetooth antenna are shared.
...
1
vote
0
answers
78
views
How to make it run without internet connection? - what part of code keeps it from running?
My RBPi zero has a spotty reception close to the door where it keeps monitoring registered phones on bluetooth and trigger the door opener.
What are the options to make it work without/irregular wifi ...
1
vote
0
answers
412
views
Raspberry Pi Bluetooth/6lowpan to WiFi IPv6 Router. Ping6 Not working
I want to route data between BT/6lowpan interface and wifi interface on a Raspberry Pi platform. Done all the setup as described below. But the Ping6 from Bluetooth (bt0) to Wifi (wlan0) not working.
...
1
vote
2
answers
42
views
How can I connect 2+ Rpis outside of a wireless net
I’m building an AI powered robotic car which needs multiple Pi, one driving, one sensing, one learning etc. The individual boards need to talk to each other, most likely using MQTT, outside of a ...
1
vote
0
answers
81
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 ...
0
votes
0
answers
62
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 ...
1
vote
1
answer
2k
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 ...
0
votes
0
answers
360
views
Internet Through USB
Is it possible to get an internet connection for a Rasberry pi zero from a USB connected to a Win 10 pc?
or is it possible to connect to a Bluetooth wifi Hotspot without an OS on a Rasberry Pi Zero?
0
votes
0
answers
54
views
Wireless and bluetooth suddenly stopped working
My raspberry pi zero w was lying useless since a year because the wireless and bluetooth interfaces were not showing up.I thought it was a hardware problem but this year after the April release of ...
1
vote
1
answer
339
views
bluetooth transfer speed 10x slower than wifi
I run a mqtt server on raspberry pi 3B together with a mqtt client on android handset. A data sequence will be transferred from the server to the client by TCP.
I enabled ip over bluetooth on ...
1
vote
0
answers
93
views
How do I use my RPi3 to act as a wireless adapter to make a nintendo switch controller?
GOAL: to make a wireless nintendo switch controller
First steps, i want to be able to connect a keyboard to the Pi3 to use as a wireless keyboard ie. can connect to another computer or device and ...
1
vote
0
answers
358
views
Pi Zero W 1.1 dead wifi
About a month or two ago I bought a pi zero w from microcenter for a project but I didn’t start on it until now. I now realize the Pi that I got is one of the defective ones with a bad firmware, so ...
3
votes
2
answers
3k
views
How to set up the Edimax EW-7611ULB combo Bluetooth WIFI dongle
Although, this dongle works (for awhile), there is a problem with the bluetooth driver. After streaming for about an hour, the driver eats up all the Pi memory and the Pi stops responding. Power ...
0
votes
1
answer
82
views
Prevent guest user from using bluetooth and wifi
I'm running raspbian stertch and need to create a guest user to use the raspberry pi with limited permissions. To be specific, I'd like to prevent the guest user from using Bluetooth and wifi.
I ...
2
votes
0
answers
453
views
bcm2835-aux-uart 3f215040.serial: unable to register 8250 port - -28
I've compiled LFS for my RPi3B.
I've put BCM43430A1.hcd, brcmfmac43430-sdio.bin and
brcmfmac43430-sdio.txt in /lib/firmware/brcm/.
Copied
/usr/src/linux/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b....
0
votes
0
answers
170
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. The ...
0
votes
1
answer
937
views
No wifi or bluetooth on raspberry pi zero w
I have bought a raspberry pi zero w and performed the headless setup and used ssh to connect to my pc.But it does not detect the wifi interface and always gives 'No wireless interface found' when i ...
1
vote
1
answer
752
views
Wi-Fi Frequency configuration question
I am trying to set my raspberry Pi's WiFi frequency to a fixed value. Is that possible through a command ? I also need to do the same thing for the embedded Bluetooth module of the raspberry. Is this ...
2
votes
2
answers
2k
views
Is it possible to use Wifi and Bluetooth at the same time on a RPi 3B+?
I need to connect to WiFi and Bluetooth at the same time using an RPi 3B+. Is it possible or will one connection drop out or be very substandard while using the other?
1
vote
2
answers
2k
views
Wifi conflicts with bluetooth: impossible to use BT mouse + keyboard with wifi turned on
2 years later, I still have the same issue.
In Raspbian, using the built-in Bluetooth controller:
Connect a BT mouse
Connect a BT keyboard
Turn on the built-in Wifi and connect to a network
...
6
votes
2
answers
10k
views
Turning off Wifi/ Bluetooth module
I have a cluster of Raspberry Pi 3 machines in a cluster. To reduce power consumption I would like to turn off the wireless modules. I have learnt that HDMI can be switched off with the tvservice ...
1
vote
2
answers
5k
views
Pi3 - No WiFi or Bluetooth - Have I got a hardware problem?
I've had a Pi3 for a while but only used it a few times. I had it setup on Noobs headless and it was working just fine and i could connect to it via wi-fi.
I turned it on yesterday and couldn't get ...
0
votes
1
answer
58
views
Raspberry Pi as prototype wearable tech?
I want to create a measure using javascript/php in a web app. Not using my Raspberry Pi. Ultimately, I want to deliver said measure as a variable to wearable technology (watches). I want the measure ...
1
vote
1
answer
275
views
How do I send GPIO variables to another Pi? [closed]
I am very inexperienced with Python. I have two Raspberry Pi computers and want to use them in a robot design. I want a program that creates a WiFi network and broadcasts variables taken from the ...
3
votes
0
answers
803
views
Bootstrapping wifi over bluetooth
I"m looking for a way to configure the raspberry pi zero in a completely headless way.
I have seen many IoT devices that use a BLE connection to then configure a wifi connection. Can anyone suggest a ...
3
votes
2
answers
1k
views
I can connect a Bluetooth mouse to my Raspberry Pi 3 and use it, but it stops working when I turn on wi-fi
I'm not sure why this happens. The Bluetooth mouse works fine until I turn on the wi-fi, and then it almost immediately stops responding. I can still use a wired mouse though, and if I turn wifi off I ...
1
vote
0
answers
2k
views
mmc1: error -110 whilst initialising SDIO card
I have a raspberry pi 3 with Jessie lite (10-APR-2017) that worked perfectly until yesterday. Now WIFI & Bluetooth don't work anymore - LAN is OK.
dmesg shows mmc1: error -110 whilst initialising ...
-1
votes
1
answer
143
views
Where are the wireless & bluetooth modules located on the RaspberryPi 3? In order to remove them to disable wifi and bluetooth
As i would like to desolder or cut the traces leading to these modules, in order for the wifi and the bluetooth to not work anymore, could someone please help me and tell me where these two models are ...
2
votes
2
answers
3k
views
Pi zero W with retropie
Can you use a Pi Zero W with RetroPie and use the Bluetooth and WiFi? I see that it says you can use the normal Pi Zero, but can you use the new one?
1
vote
1
answer
6k
views
Pi Zero W WiFi interference with TTY
I've run into some issues with the new Pi zero W. First I tried to run an image of raspbian from 11-1-17' but that did nothing. Well, it booted but couldn't set up a Wi-Fi network.
So I've installed a ...
3
votes
0
answers
6k
views
Pi bluetooth not detecting any devices
Board: Raspberry Pi 3
I have a Pi which is unable to detect any bluetooth peripherals. I diagnosed the bluetooth service by running sudo service bluetooth status which throws the error Failed to ...
3
votes
2
answers
7k
views
No wlan0 on RPi 3 B v1.2
On the motherboard of my Pi is written 'Raspberry Pi 3 Model B v1.2'. I was under the impression that Raspberry Pi 3 had a built-in Wifi interface. I installed Raspbian using NOOBS and ran the ...
0
votes
1
answer
1k
views
Possible to desolder onboard's Pi 3 wifi and bluetooth?
I intent to use another NIC through a usb port. I want to be able to physically plug/unplug it. Is this possible?
References on how to do this for a beginner are much appreciated.
0
votes
1
answer
108
views
How can I make Raspberry Pi configurable by user?
I am very new to Raspberry Pi and I am trying to make small device based on it (Raspberry Pi 3). In order to work properly this device need to be connected to the Internet, for example, over wi-fi.
...
1
vote
2
answers
141
views
Can i develop a wireless/Bt app for smartphone through which i can controll the raspberry pi gpio pins?
I wish to create a android app which will be on top or wireless/Bt protocol and could communicate with Raspberry pi. Through this i want to controll the GPIO pins on my raspberry. For eg i want to ...
20
votes
2
answers
46k
views
Disable power on Wifi and Bluetooth interfaces during boot?
I have a Raspberry Pi 3 Model B Rev 1.2. I'd like to ensure Wifi and Bluetooth do not get powered on or draw current since the device is using wired Ethernet.
According to dmesg, the device is ...
0
votes
1
answer
3k
views
Connect sensors to the raspberry pi using the inbuilt wifi
I am able to connect sensors using the GPIO pins.
My Question is:
Is there any possible way to connect any kind of sensors to the raspberry pi via Bluetooth or wifi?
And get the data via the same!
1
vote
2
answers
536
views
Raspberry Pi for connecting two speakers controlled by smartphone
I would like to know if it is possible to connect two speakers via an AUX cable and a Y Adapter to a Raspberry Pi and then use your smartphone (Spotify or Deezer App) to wirelessly control the ...
1
vote
2
answers
343
views
I want to make a wireless prototype of a Light switch using Raspberry Pi
I am planning to make a simple wireless light switch using Raspberry Pi.
Which of the following protocols would be better suited for this?
Zigbee
Bluetooth
Wifi - UPnP
I am looking for cheaper ...
0
votes
1
answer
941
views
How to use both WiFi and Bluetooth dongles at once without powered USB hub with Raspberry Pi Zero?
I'm aware of the point to get powered USB hub, but my goal is to make the device as small as possible and decrease number of wires. The idea is to make a tiny otg male->two usb female passive hub and ...
2
votes
1
answer
232
views
Confused about TL-WN725N
I have a Raspberry Pi 2 with Ubuntu Mate and I use it with:
TL-WN725N
CSL Nano Bluetooth v4.0.
If I use only the wifi, the signal will be more powerful and the connection more stable than when I ...