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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31 views

Not getting an “Enter Pin” prompt when pairing with BLE device

I have a custom board that uses BLE to get Wifi credentials. I'm trying to pair with the board using my Pi. I'm using bluetoothctl. Here's what I get when I try to pair: [bluetooth]# agent on Agent is ...
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0answers
14 views

Pi4, Enhance BLE channel hopping

As the Cypress chip on RPi4 is handling Wifi and BLE, it can be useful if it would share Wifi channel information prior BLE connection. In BLE connection request RPi sends out the allowed BLE channels ...
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7 views

Pi4, BlueZ Limit channels

(How) is it possible to limit the usable channels for bt connections? I.e I want to connect to a device with gatttool. As gatttool does not have any of this low-level setting., can I somehow limit the ...
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1answer
446 views

What Bluetooth profiles does the Pi Zero W natively support?

I've started looking for tutorials for Pi's and Bluetooth, but I don't have any experience with Bluetooth and Linux, and it seems that the Bluetooth stack on Raspbian and/or Linux is not full featured ...
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43 views

Bluetooth speaker connected but no audio, AV earphone no audio (only VLC is good), HDMI working propedly

My Bluetooth speaker device (JBL Charge 4) connected, but no audio. The /etc/dbus-1/system.d/bluetooth.conf edited. I change the "default" context policy from "deny" to "allow&...
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1answer
26 views

Installing Gattlib error

Like many others, I've had problems installing gattlib using pip. I've followed the steps outline in this question to no avail: Pybluez and Gattlib error The steps that give me the error: hg clone ...
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0answers
326 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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2answers
908 views

Off grid communication

Over the last couple of weeks, I’ve become interested in off-grid communication, and I am currently looking into creating a simple communication protocol wherein multiple raspberry pi’s are able to ...
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1answer
79 views

Is there a way to connect to a Raspberry server with only bluetooth?

Let's say I installed an API on my raspberry pi (with Php, python, it doesn't matter). Is there a way for my Android phone to make direct requests on my API through Bluetooth ? (If my raspberry and my ...
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1answer
86 views

How can I get the set attribute of each “device” in an array

What I am wondering is how I can loop through paired_devices and get the "name" attribute for each device. This is only a short amount of the code, if more is needed, feel free to comment below. def ...
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2answers
9k views

Bluetooth Headphones paired/connected but no audio

I am currently running the latest Raspian Jessie on my Raspberry Pi 3 and I have attempted to use my Sony bluetooth headphones. I am able to pair and connect the headphones, but when I try to switch ...
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1answer
28 views

Disallow multiple bluetooth connections

I recently created a Raspberry Bluetooth music player with MQTT control, and discovered that, Raspberry allows multiple users to connect at the same time, and plays up to 3 people's music (which is ...
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0answers
18 views

How do I fix my crashed bluetooth? [duplicate]

After an apt update today, my bluetooth menu disappeared from the menu bar. Even the services are not running anymore. Whenever I am trying to fix something(with systemctl and apt), this message ...
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2answers
10k views

How to stream sound to a bluetooth device from a raspberry pi zero

I have a raspberry pi zero W and I would like to stream sound over bluetooth to a bluetooth-enabled speaker / headphone. So how to achieve this with alsa?
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0answers
63 views

System doesn't discover bluetooth adapter

I have custom buildroot image built for Raspberry Pi Zero W. My primary goal is to be able to activate on-board blueetoth, however I seem to have immense problems achieving it. My main problem is that ...
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1answer
1k 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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1answer
945 views

Bluetooth Devices List not being remembered on reboot

I've searched high and low for some kind of solution to my problem, but it seems NO ONE experiences this!? I'll admit, everything was working fine up until some random point (so frustrating, I have no ...
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1answer
141 views

Freeze caused by bluetooth and webcam

My web app has a webcam running using ng-camera(based on webcam.js), and a separate bluetooth sniffer running on node js on the background. After several minutes running, the app and raspberry pi will ...
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1answer
501 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 ...
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0answers
30 views

Connect and use Bluetooth headset

I am on a Raspberry Pi 2 Model B with Raspbian buster and have issues using my Bluetooth headset. I tried to use some of the several available HowTos. Best working for me are the HowTos using bluealsa....
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1answer
9k views

Connect Raspberry PI 3 B to Bluetooth speaker and microphone

I have Bluetooth speaker which has microphone in it, when I use it with iPhone and my PC, the microphone works fine. Now I connected it to Raspbian on Raspberry PI 3 B via inbuilt bluetooth, speaker ...
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1answer
4k views

Headless bluetooth pairing on a raspberry pi zero using a pin?

So I recently got started using a pi zero (running the most recent raspbian) as something to drive an image display application. I'll be sending it files over bluetooth via a file transfer protocol (...
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1answer
1k views

Raspberry Pi 3B+ doesnt play audio via BT speaker

so I wanted to play audio via a bluetooth speaker. I tried it with my Phillips BTM3160 and my Creative iRoar Go. The Pi wouldn't even connect to the Phillips one and on the Creative it plays with the ...
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2answers
2k 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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1answer
633 views

Bluetooth Connecting two devices

I am trying to set up bluetooth so that I can play music from both my phone and my computer in alternation (ie, if I want to go in the other room on a call where the phone stops playing, i can switch ...
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1answer
2k views

How to boost bluetooth range?

I have had some success connecting to my Bluetooth devices but only when I'm in the same room as the Rpi. This limits the utility somewhat... I had hoped to be able to use them anywhere in my home. I ...
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1answer
205 views

Can't connect to bluetooth switch

I have a Pi3 running Jessie and I'm trying to connect to this plug, https://www.amazon.com/gp/product/B00PG50OSM/ref=od_aui_detailpages00?ie=UTF8&psc=1. I've been able to pair and trust the device,...
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1answer
265 views

Problem installing Bluetooth Dongle on Raspberry Pi 3 running Windows 10 IOT Core

I recently bought the plugable Bluetooth USB adapter usb-bt4le and I want to use it with my RPi3. I have windows 10 core IoT installed on the RPi. I have disabled the on-board bluetooth and I wish to ...
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0answers
14 views

Raspberry Pi 3 : how to find device number and card number with bluetooth

I'm trying to set up google assistant on my raspberry pi with this guide: https://pimylifeup.com/raspberry-pi-google-assistant/comment-page-2/?unapproved=27549&moderation-hash=...
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2answers
59 views

Bluetooth audio not working from webserver

I created my local website for a magic mirror project. This project includes my google calendar, weather ifo, timers, internet radio, ... For the timers and internet radio I would like to hear the ...
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0answers
51 views

Playing audio on Bluetooth speaker using pygame

I know there are already posts related to this question, but there aren't any I can find that have worked for me. I am attempting to get an iHome B66 Bluetooth speaker to play sound coming from my ...
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1answer
197 views

Not able to pair Raspberry Pi3 and iBeacon using Bluetooth

In my current project, I am working with iBeacon in the area of IoT. Basically iBeacon works on Bluetooth wireless technology. I am using Raspberry Pi 3 (with in-built WiFi and Bluetooth). Pi 3 ...
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0answers
30 views

How to bind raspberry pi bluetooth com ports to a /dev/rfcomm or /dev/ttry device

I have bluetooth device which on windows has 2 com ports com3 amd com4 I found the device using bluetoothctl agent on scan on pair ##:##:##:##:##:## rfcomm bind /dev/rfcomm0 00:16:A6:00:06:E6 ...
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0answers
153 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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1answer
719 views

WHY my Python BLE device discover codes don't catch as many devices as Raspberry Pi OS panel does?

I developed some BLE device discovery python codes from the example given in https://github.com/pybluez/pybluez/blob/master/examples/ble/scan.py which are run on a Google AIY Raspberry pi. from ...
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1answer
266 views

Pi 3 Bluetooth Software Requirements

I am using Minibian(a minimal Debian based OS), and trying to set up bluetooth so that I can stream audio to a bluetooth speaker from my Pi. What are the minimum packages I need to get bluetooth ...
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0answers
23 views

How to set up /etc/asound.conf for both bluetooth and soundcard on Rpi3

I can get sound to bt or soundcard, but how to set up for both?? this in /etc/asound.conf give bt pcm.!default { type plug slave.pcm { type bluealsa device "91:AD:70:FD:8D:3C" profile "a2dp" } } ctl....
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2answers
2k views

play audio stream when bluetooth connects

I have a Raspberry Pi Zero W and want it to use as an Internet Radio. So I wrote a Python script that connects to my bluetooth speaker and starts a stream. Everything works fine, but i always need to ...
3
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2answers
14k views

Failed to connect: org.bluez.Error.NotAvailable - Error

I am trying to connect a HC-05 Bluetooth Module (connected to Arduino Uno) to my Raspberry Pi 3 in the hopes of achieving bluetooth communication between the two to send data from the Uno to the Pi. ...
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2answers
17k views

Raspberry Pi 3 Bluetooth “No default controller available”

I'm running Jessie, and an apt-get update/upgrade has no work to do. The kernel is at version 4.4.11-v7+ #891. An hcitool scan says there's no device available. bluetoothctl says No default controller ...
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1answer
30 views

Bluetooth sound off

after upgrading to debian 10, have encountered problems with the sound transmitted to my bluetooth headphones. The pairing between the RPI and the headphones is done, once from the audio menu I ...
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0answers
2k views

Bluetooth on RPi Zero W does't work

I have a problem and, although I have searched the solution for many parts and for three days, I can not solve it so I come to ask for help. The problem: I recently bought a glittering Raspberry Pi ...
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1answer
176 views

RPI4 bluetooth device paired and connected and set to audio sink but wont play a sound

I saw one post with a similar title but the solution program featured did not really answer the question nor work for my case. I am paired and I have my output set to the blue tooth speaker and ...
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2answers
787 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 ...
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1answer
722 views

Bluetoothctl connect TIMEOUT exception

This is the error I am getting when I connect to my mobile phone using the connect method in this documentation: https://gist.github.com/egorf/66d88056a9d703928f93, raise TIMEOUT(msg) pexpect....
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1answer
804 views

/tmp has been reported to be read-only filesystem

Environment: Up to dated rasbian. pi@raspberrypi:/etc $ cat os-release PRETTY_NAME="Raspbian GNU/Linux 9 (stretch)" NAME="Raspbian GNU/Linux" VERSION_ID="9" VERSION=&...
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1answer
57 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 ...
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0answers
52 views

How to stream audio via bluetooth to an airplay speaker?

I am trying to send audio using bluetooth to my raspberry pi which then should forward the music to an airplay speaker (in my case a HomePod). The first step of sending music to the pi is ...
2
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1answer
2k views

Playing audio via bluetooth speaker for Pi3 (Stretch)

This is the oft repeated question on playing audio via bluetooth on RPi. There are too many posts out there, but most of them are dated or do not apply to the stretch version of raspbian and hence ...
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1answer
1k views

Audio cracking with VLC and Bluetooth, but works with aplay

I'm trying to set up my Pi (v2) as a WiFi Hotspot and a Bluetooth Audio Module for my car. The WiFi Hotspot works so far, but the sound over Bluetooth and VLC is only cracking. When i use "aplay /usr/...

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