Questions tagged [bluetooth]

For questions pertaining to Bluetooth setup, usage and troubleshooting on the Raspberry Pi, whether onboard or via a USB dongle.

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12 views

set PAN network on raspberrypi with ubuntu OS

First of all sorry for my English. I am trying to set a pan network in ubuntu OS on raspberry pi 4B+. I have used the below guide to set up the PAN. https://raspberrypi.stackexchange.com/a/71587 But,...
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15 views

Using a Raspberry Pi as a bluetooth “switcher”

I like to use a bluetooth headset with multiple devices, but it only connects to one at a time. I want to remove that hassle of always disabling then reenabling bluetooth on my devices. What I am ...
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33 views

Connect with VNC to RPI 3B+ via Bluetooth

I want to do VNC via Bluetooth between my Raspberry pi 3b+ and an android phone. Some forums say that bluetooth technology is so slow to connect VNC via a DUN network, but I was doing some research ...
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19 views

Separtate controling bluetooth audio input & USB microphone input via Processing

Hi I've trying to solve this more then 3 weeks. Now...i can't solve it myself :( I want to made audio spectrum which can support microphone input and bluetooth(android) input. ※Environment ...
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18 views

unable to connect DREVO bluetooth keyboard to RPi3

I'm trying to connect a DREVO Bluetooth keyboard to the RPi3 B rev2 running Raspbian 9. With the keyboard in pairing mode, I am able to use the Bluetooth menu, scan and find the device to add, and a ...
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33 views

Pi zero w BLE connection disconnects

I have some strange problem with connection between raspberry pi zero w and BLE device (electric scooter). When I try connect to ble device via bluetoothctl service it connects properly but ...
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42 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 ...
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13 views

Can't find my android phone via bluetoothctl scan on

I am currently working on a project that fetches the RSSI of my Samsung Galaxy S8 phone via bluetooth on a Raspberry Pi Zero W. I am running Raspbian and have successfully found other devices via ...
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30 views

Why do my servos only work the first time

I Posted earlier about having problems with my servos that you guys helped me with and I'm really grateful for that. Now I'm facing an other issue with the servos: I have put them on my "robot" that ...
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24 views

Bluetooth hci0 device suddenly missing on 4B+

After a recent reboot of my 4B+ I noticed that my bluetooth connections had stopped working. I noticed that bluetoothctl reported no device, and further that sudo hciconfig hci0 up indicates Can't get ...
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How to make more efficient reading of GPIO

My (python) program (on Raspberry Pi zero W) turns on/off a GPIO pin (connected to a relay module) depending on the RSSI signal of my phone (connected via bluetooth) and the status of one more GPIO ...
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39 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. ...
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77 views

How to use serial and bluetooth at the same time

I'm working on a drone project using a mobile phone do send pitch/roll/throttle and yaw to a Rpi 4 2GB over bluetooth. This is no problem. But, then I want to send these values to the ...
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25 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 ...
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31 views

Connect mobile phone/app to Pi Zero W via Bluetooth

Is there any easy way to connect my android (later ios too) device to my pi zero w via Bluetooth? I'm looking for a way to send data to my mobile phone without using Wifi. edit: I want to write an ...
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75 views

Connect Bluetooth Mouse automatically

My Raspberry Pi works well and I can connect my bluetooth mouse without any problems BUT when the Pi is restarted the mouse has to be reconneted. The mouse is there under bluetooth but needs to ...
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20 views

Pairing Rpi and windows PC for bluetooth over serial

I am currently working rpi 3B+ and windows system. thing is I want to use bluetooth over serial to windows PC. Before that happens RPI and Windows must be paired first, that is not happening at the ...
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1answer
33 views

Raspberry discoverable and pairable without pin keep disconnecting

I want to send bytes to my raspberry pi 3 through bluetooth with an application on my smartphone. Bluetoothctl works fine, pairable, discoverable, agent NoInputNoOutput all work. However, my phone ...
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1answer
57 views

Is it possible to log any discoverable Bluetooth/BLE via headless pi?

Has anyone built a bluetooth/BLE sniffer that runs headless and logs MAC addresses of all discoverable BT/BLE devices? What resources did you use? I've found a tutorial on Adafruit, https://learn....
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57 views

Setting up a shell script to run at boot with sudo permission

I had issue with BLE Connection which would drop after certain time which I solved using solution from this post: https://unix.stackexchange.com/questions/288978/how-to-configure-a-connection-...
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21 views

Bluetooth not founded - Raspberry Pi 3 B + connection with IoS devices

What is the procedure to enable Raspberry Pi 3 B+ for send and receive data with IoS Devices? I developed an application, that enables the raspberry bluetooth to receive network configurations and ...
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1answer
259 views

Bluetooth headset paired and connected, but can't be selected as audio output

I'm stuck getting a pretty standard A2DP Bluetooth headset to work with Raspbian Buster on an RPi 4. I successfully paired it with the RPi and can connect it via the GUI, and the buttons on the ...
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25 views

What is this prompt saying about bluetooth?

I tried to fix some problems with the bluetooth and uninstall pi-bluetooth. Also installed it .But the problems are bigger now. What is this prompt saying.
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147 views

Will the RPi-4 work with a Logitech K830 keyboard?

Ideally in Bluetooth mode? But at least in wireless mode with a dongle. Pi runs Raspbian & connects to family TV & is wirelessly connected to home network. Therefore, is ideal to have a back-...
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68 views

How to make wireless or bluetooth microphone work on raspberry 4

I'm running raspbian-buster on raspberry 4. I need to make wireless or Bluetooth microphone work. It's a production base project. I've tried with common headset which used for cellphones.But it's ...
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1answer
253 views

Bluetooth service being skipped

I'm attempting to use a HC-06 bluetooth module on a raspberry pi zero (not w). I have it wired correctly and have used it before on older versions of raspbian, but I decided to update to the lastest ...
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44 views

connecting raspberry pi to android tablet over bluetooth

I am familiar with this and this. I am trying to send a message from raspberry pi terminal to an android app. I am on Raspbian Stretch headless (NO gui) Now, I am doing : sudo bluetoothctl power ...
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1answer
81 views

Is it possible to configure a Raspberry Pi 3 to become a Bluetooth adapter for a desktop PC?

Stupid question, but I've been looking everywhere. I want to configure my Raspberry Pi 3 so that it can basically serve as a bluetooth adapter for my desktop pc. Is this possible, or does it only work ...
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2answers
74 views

PI Zero W Bluetooth Device not recognised yocto poky

I have built an yocto poky image with bitbake and it doesn't seem to recognise the bluetooth device/controller. I have seen this issue and doesn't help. My local.conf has extra for distro features ...
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31 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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1answer
144 views

Can Raspberry Pi use ANT+ as well as Bluetooth?

Since ANT+ and Bluetooth/BLE all use 2.4 GHz radio-waves, and most Raspberry Pi models can use Bluetooth, is it possible to communicate through the ANT+ protocol from a Raspberry Pi without adding any ...
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31 views

MFRC522 and Bluetooth not work together

I have a program in which I use pyqt5, MFRC522 and bluetooth. I have 3 threads, one for the interface, one for the MFRC522 and one for the bluetooth. If I run the MFRC522 and the bluetooth separately ...
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36 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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28 views

Is there a relatively cheap accelerometer that I can wirelessly connect to a raspberry pi 3

I’m interested in building a wristband that turns on a light when the wearer of the wristband makes a sharp movement. I am thinking of connecting a wireless accelerometer to a raspberry pi 3 that I ...
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1answer
50 views

obexd - Receive files error

I am facing the below error while trying to receive files via bluetooth. The pairing is successful and sending files from the board to the phone is also successful. But receiving files from phone to ...
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44 views

bluetoothctl hangs with “connect to bluetoothd”

I have a Raspberry Pi 3 and I have been playing with the bluetooth functionality. It worked for a while: I successfully paired a Windows machine with my Pi, but now it does not work anymore. I used ...
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36 views

How to trigger iOS/Android Camera through Raspberry Pi Bluetooth?

For my current project I want to connect a raspberry pi to an android/iOS phone and trigger the camera without any additional app on the phone. I know that this is theoretical possible, as there are ...
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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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156 views

Two Bluetooth headphones connected to the RPi 4 B at the same time?

Has anybody successfully connected two Bluetooth headphones to the RPi 4 at the same time? What profiles does it support?
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1answer
258 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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236 views

bluetoothctl in debian 10 pairing poblem

When I try to pair my RPI Bluetooth with some other Bluetooth it pairs some time and then it is dis-pairing by itself. How can I fix this problem? My OS is Raspbian 10 buster and the version of Bluez ...
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46 views

Can the Raspberry Pi Zero W receive data from multiple Bluetooth Low Energy peripherals simultaneously?

Does the Bluetooth radio on the Raspberry Pi Zero W v1.3 allow it to receive data from multiple Bluetooth Low Energy peripherals simultaneously?
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393 views

Alsa Lib PyAudio error on Raspberry Pi 3b+

I was looking at an old question that gave advice for fixing these errors: ALSA lib pcm_dmix.c:1052:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown ...
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1answer
43 views

Using RPi Zero W as Bluetooth smart device

I'm trying to setup my RPi Zero W as a Terrarium Controller and I want to be able to create an Android app to control the settings and and such over Bluetooth. I've found tons of tutorials on setting ...
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41 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?
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2answers
44 views

How to enable BlueTooth when TX/RX already being used

We have the TX/RX Gpio already being used on the Raspberry Pi 3B+ . I believe the onboard Bluetooth uses the same ? How can I get bluetooth working when our TX/RX is already being used. Right now I'...
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176 views

Sudden influx of “frame reassembly failed” messages after Raspbian update

Problem Looking in /var/log/syslog, I see a lot of messages like this: Bluetooth: hci0: Frame reassembly failed (-84) Here's a recent segment from the logs: Jul 9 02:23:34 apple-pi kernel: [ 3268....
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1answer
38 views

How to get song information using PulseAudio?

I want to have a script that is continuously running in the background while I connect my phone via Bluetooth to play music. I need the script to get the total time length of the track, the current ...
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163 views

Integrated Bluetooth on my RPi 3 is not working!

So, basically I am connecting a Bluetooth earpiece to my RPi 3.B The problem started when I typed the following in the terminal sudo bluetoothctl the following output came ""Waiting to connect to ...
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2answers
126 views

Is there a way to see if bluetooth scanning/advertising are running?

I have made a python script based on this github in order to use ble scanning/advertising. This script will run a long time and the Bluetooth thread might have a problem which caused them to stop. I ...