# \#bluetooth **URL:** https://forums.balena.io/tag/bluetooth/2.md [Latest](https://forums.balena.io/latest.md) · [Categories](https://forums.balena.io/categories.md) · [Tags](https://forums.balena.io/tags.md) --- ## [How to clear bluetooth cache?](https://forums.balena.io/t/how-to-clear-bluetooth-cache/372658)
**Author:** [@benjboy](https://forums.balena.io/u/benjboy)\ **Replies:** 6\ **Last updated:** [January 8, 2025, 2:12pm UTC](https://forums.balena.io/t/how-to-clear-bluetooth-cache/372658 "2025-01-08T14:12:25Z")
The cache data is in /var/lib/bluetooth/\[adapter\] the problem is i can’t bind the folder to container is there any other way to clear it? --- ## [Make balena sound appear as a bluetooth headphone instead of speaker?](https://forums.balena.io/t/make-balena-sound-appear-as-a-bluetooth-headphone-instead-of-speaker/372444)
**Author:** [@fischcode](https://forums.balena.io/u/fischcode)\ **Replies:** 2\ **Last updated:** [November 26, 2024, 7:31pm UTC](https://forums.balena.io/t/make-balena-sound-appear-as-a-bluetooth-headphone-instead-of-speaker/372444 "2024-11-26T19:31:40Z")
Hi, I am trying to pair a raspberry pi with balena sound to a Fire TV Stick 4K. The Fire TV Stick does pair with a headset to play sound and balena does pair with a PC and play sound from the PC. So bluetooth is generall… --- ## [Add Support for Bluetooth Low Energy 5 (BLE) Adapter TP-Link UB500](https://forums.balena.io/t/add-support-for-bluetooth-low-energy-5-ble-adapter-tp-link-ub500/370773)
**Author:** [@atokulus](https://forums.balena.io/u/atokulus)\ **Replies:** 0\ **Last updated:** [June 24, 2024, 2:16pm UTC](https://forums.balena.io/t/add-support-for-bluetooth-low-energy-5-ble-adapter-tp-link-ub500/370773 "2024-06-24T14:16:00Z")
Dear Balena Support Your product is quite great, congrats :smile: Yet we are facing some major limitations, regarding state of the art Bluetooth adapters. It would be great, if you could please patch/update Balena OS … --- ## [BalenaSound - Bluetooth profile](https://forums.balena.io/t/balenasound-bluetooth-profile/369637)
**Author:** [@vegadeth](https://forums.balena.io/u/vegadeth)\ **Replies:** 0\ **Last updated:** [January 5, 2024, 12:02pm UTC](https://forums.balena.io/t/balenasound-bluetooth-profile/369637 "2024-01-05T12:02:25Z")
Hello! Is there any way of changing the bluetooth profile for BalenaSound? My TV only detects speakers Thanks! --- ## [No bluetooth and push problem for balenaSound.](https://forums.balena.io/t/no-bluetooth-and-push-problem-for-balenasound/368880)
**Author:** [@Praxl23](https://forums.balena.io/u/Praxl23)\ **Replies:** 1\ **Last updated:** [September 6, 2023, 3:20am UTC](https://forums.balena.io/t/no-bluetooth-and-push-problem-for-balenasound/368880 "2023-09-06T03:20:16Z")
Hello, I started with balenaSound but i’m having problems getting it working. I created a fleet, added a device (Raspberry pi 4B / Rpi 4B), downloaded balena OS and made the MicroSD cards (for 2 Rpi 4B’s). The Rpi’s … --- ## [Balena Sound Bluetooth](https://forums.balena.io/t/balena-sound-bluetooth/366477)
**Author:** [@markos2000](https://forums.balena.io/u/markos2000)\ **Replies:** 0\ **Last updated:** [January 22, 2023, 9:19pm UTC](https://forums.balena.io/t/balena-sound-bluetooth/366477 "2023-01-22T21:19:07Z")
Hi, is it possible to output the audio that’s coming from an Airplay connection to a Bluetooth speaker instead of wired speaker? if yes, is there a guide I cand follow to achieve this? Thanks! --- ## [Container can´t access /dev/ttyAMA0](https://forums.balena.io/t/container-can-t-access-dev-ttyama0/350392)
**Author:** [@Mawiguk0](https://forums.balena.io/u/Mawiguk0)\ **Replies:** 5\ **Last updated:** [August 19, 2022, 2:35pm UTC](https://forums.balena.io/t/container-can-t-access-dev-ttyama0/350392 "2022-08-19T14:35:41Z")
Hi there, our Application does need access to /dev/ttyAMA0 to use Bluetooth in our Stack. On our pre-balena raspbian with docker installed the container can easily access the interface with the --devices flag: docker r… --- ## [Pairing balenaSound to Victrola Journey+ Record Player](https://forums.balena.io/t/pairing-balenasound-to-victrola-journey-record-player/352159)
**Author:** [@mjk7569](https://forums.balena.io/u/mjk7569)\ **Replies:** 1\ **Last updated:** [June 3, 2022, 11:56am UTC](https://forums.balena.io/t/pairing-balenasound-to-victrola-journey-record-player/352159 "2022-06-03T11:56:36Z")
Hi all - new user here. Loving all the features of balenaSound so far! I want to create a whole-home broadcast for my record player, but I’m running into some connection issues. I’m trying to connect my record player t… --- ## [Using on-board WiFi/BT chip for Bluetooth multi-room](https://forums.balena.io/t/using-on-board-wifi-bt-chip-for-bluetooth-multi-room/351200)
**Author:** [@YoannJF](https://forums.balena.io/u/YoannJF)\ **Replies:** 2\ **Last updated:** [May 30, 2022, 9:22am UTC](https://forums.balena.io/t/using-on-board-wifi-bt-chip-for-bluetooth-multi-room/351200 "2022-05-30T09:22:26Z")
Hi everyone, I’m currently working on a project based on a Raspberry Pi CM4 board with a custom Yocto image, with MPD, Bluetooth and Spotify connect for playing audio. A dev I work with started to implement SnapCast to … --- ## [Bluetooth not working on BalenaCloud (Asus Tinker Board S R2.0)](https://forums.balena.io/t/bluetooth-not-working-on-balenacloud-asus-tinker-board-s-r2-0/357426)
**Author:** [@skuenstler](https://forums.balena.io/u/skuenstler)\ **Replies:** 7\ **Last updated:** [May 26, 2022, 9:52am UTC](https://forums.balena.io/t/bluetooth-not-working-on-balenacloud-asus-tinker-board-s-r2-0/357426 "2022-05-26T09:52:37Z")
Asus Tinker Board S R2.0 Bluetooth issue: When using the image for the Tinker Board S, I’m unable to use Bluetooth on the board. Having another Debian installed, it all works. Only the Balena-Cloud image does not work f… --- ## [Bluetooth Volume is uneffected by changing the variable](https://forums.balena.io/t/bluetooth-volume-is-uneffected-by-changing-the-variable/250676)
**Author:** [@SteveLambert](https://forums.balena.io/u/SteveLambert)\ **Replies:** 2\ **Last updated:** [May 5, 2022, 4:51pm UTC](https://forums.balena.io/t/bluetooth-volume-is-uneffected-by-changing-the-variable/250676 "2022-05-05T16:51:02Z")
I wanted to lower the bluetooth volume, searched and found this: I tried the same thing suggested in the thread, but the sound level is unaffected. I even set SYSTEM\_OUTPUT\_VOLUME to 0 just to be sure. Also CONNECTIO… --- ## [Airplay,Spotify and Bluetooth not working](https://forums.balena.io/t/airplay-spotify-and-bluetooth-not-working/357032)
**Author:** [@shoopdawhoop26](https://forums.balena.io/u/shoopdawhoop26)\ **Replies:** 0\ **Last updated:** [April 24, 2022, 3:27pm UTC](https://forums.balena.io/t/airplay-spotify-and-bluetooth-not-working/357032 "2022-04-24T15:27:10Z")
Hello guys, i recently try to flash my raspberry pi 4 again because i wanted to fix some issues with bluetooth volume control. Now nothing seems to work. I basically have no clue why. Everytime i connect to it on spot… --- ## [Container can´t access serial Interface to establish BLE Device Resets.](https://forums.balena.io/t/container-can-t-access-serial-interface-to-establish-ble-device-resets/350442)
**Author:** [@Markus.Kohn.GWA](https://forums.balena.io/u/Markus.Kohn.GWA)\ **Replies:** 14\ **Last updated:** [April 6, 2022, 12:53pm UTC](https://forums.balena.io/t/container-can-t-access-serial-interface-to-establish-ble-device-resets/350442 "2022-04-06T12:53:38Z")
Hi there, We are currently evaluating BalenaCloud for our new Device/ Fleet Management. Now we need to dockerize our Application, which itself is easy to dockerize but we got a balena specific problem where you might be… --- ## [ble-lighthouse: balenaLabs Residency project - build logs](https://forums.balena.io/t/ble-lighthouse-balenalabs-residency-project-build-logs/350421)
**Author:** [@iayanpahwa](https://forums.balena.io/u/iayanpahwa)\ **Replies:** 16\ **Last updated:** [March 8, 2022, 7:26am UTC](https://forums.balena.io/t/ble-lighthouse-balenalabs-residency-project-build-logs/350421 "2022-03-08T07:26:33Z")
As a part of my balenaLabs residency, I am building a project that will allow me to deploy a fleet of centrally managed (from balenaCloud) bluetooth low energy beacons. I am calling this project : ble-lighthouse as beac… --- ## [Balena Sound Bluetooth Volume Synchronisation](https://forums.balena.io/t/balena-sound-bluetooth-volume-synchronisation/40901)
**Author:** [@ItzChriZz](https://forums.balena.io/u/ItzChriZz)\ **Replies:** 12\ **Last updated:** [December 21, 2021, 8:54pm UTC](https://forums.balena.io/t/balena-sound-bluetooth-volume-synchronisation/40901 "2021-12-21T20:54:26Z")
Hi there i want to know if i could enable media volume sync with my mobile phone and the pi when i’m using spotify connect i can control the volume from my phone but when i’m using bluetooth i can’t. can i change that? --- ## [MAC address remnant after device unpairing](https://forums.balena.io/t/mac-address-remnant-after-device-unpairing/349689)
**Author:** [@jeliot](https://forums.balena.io/u/jeliot)\ **Replies:** 2\ **Last updated:** [December 21, 2021, 6:08pm UTC](https://forums.balena.io/t/mac-address-remnant-after-device-unpairing/349689 "2021-12-21T18:08:20Z")
I have a balena sound fleet with 1 device (a RPi3 B+) running balenaOS 2.83.21+rev1. The way I intend to use this device primarily is via Bluetooth. I have successfully paired and connected multiple devices to this RPi s… --- ## [bluetooth without root](https://forums.balena.io/t/bluetooth-without-root/350427)
**Author:** [@ttmetro](https://forums.balena.io/u/ttmetro)\ **Replies:** 13\ **Last updated:** [December 13, 2021, 7:34pm UTC](https://forums.balena.io/t/bluetooth-without-root/350427 "2021-12-13T19:34:43Z")
How can I run bluetoothctl without root? It works fine as root user (scan, etc), but without I get $ bluetoothctl Waiting to connect to bluetoothd...dbus\[63\]: arguments to dbus\_connection\_get\_object\_path\_data() were inc… --- ## [Balenasound bluetooth latency -- fixable?](https://forums.balena.io/t/balenasound-bluetooth-latency-fixable/119349)
**Author:** [@eater](https://forums.balena.io/u/eater)\ **Replies:** 16\ **Last updated:** [December 10, 2021, 2:05pm UTC](https://forums.balena.io/t/balenasound-bluetooth-latency-fixable/119349 "2021-12-10T14:05:57Z")
Transmitting sound from my Linux laptop to Balenasound on a RPi3+ via bluetooth, I have about 2 seconds latency. I read on another forum that this is because of the time to A2DP encode the sound on my laptop, but if tha… --- ## [Balena Fin v1.1 BLE 4.2 Data Length Extension?](https://forums.balena.io/t/balena-fin-v1-1-ble-4-2-data-length-extension/276503)
**Author:** [@aferm](https://forums.balena.io/u/aferm)\ **Replies:** 8\ **Last updated:** [October 25, 2021, 3:05pm UTC](https://forums.balena.io/t/balena-fin-v1-1-ble-4-2-data-length-extension/276503 "2021-10-25T15:05:42Z")
I am trying to use DLE (Data Length Extension) to increase the throughput of connections to sensors attached over BLE. This feature was introduced in the 4.2 bluetooth spec that is supposed to be supported by the Fin. M… --- ## [Balena Locating for managing BLE devices on a raspberry pi Problems](https://forums.balena.io/t/balena-locating-for-managing-ble-devices-on-a-raspberry-pi-problems/348532)
**Author:** [@Morten](https://forums.balena.io/u/Morten)\ **Replies:** 5\ **Last updated:** [September 20, 2021, 7:51am UTC](https://forums.balena.io/t/balena-locating-for-managing-ble-devices-on-a-raspberry-pi-problems/348532 "2021-09-20T07:51:27Z")
Hello. I’m new to this forum, so not sure if I’m posting the correct place. I want to make a “gateway” for BLE beacons, and a quick google search led me to this post: I’ve followed the guide very carefully, and every… --- ## [Raspberry Pi 3 Model B+ & running Bluetooth daemon in compatibility mode (with \`var/run/sdp\` socket)](https://forums.balena.io/t/raspberry-pi-3-model-b-running-bluetooth-daemon-in-compatibility-mode-with-var-run-sdp-socket/4120)
**Author:** [@kkom](https://forums.balena.io/u/kkom)\ **Replies:** 4\ **Last updated:** [September 16, 2021, 10:22am UTC](https://forums.balena.io/t/raspberry-pi-3-model-b-running-bluetooth-daemon-in-compatibility-mode-with-var-run-sdp-socket/4120 "2021-09-16T10:22:53Z")
Hey! I’m trying to get Hype SDK ( https://hypelabs.io/iot/ ) to work on a Ubuntu 18.04-based container, but I’m running into issues. Problem: /var/run/sdp socket is not created in the container by bluetoothd. This sock… --- ## [impossible to connect in bluetooth on a Rapberry 4](https://forums.balena.io/t/impossible-to-connect-in-bluetooth-on-a-rapberry-4/346559)
**Author:** [@frbalena35](https://forums.balena.io/u/frbalena35)\ **Replies:** 2\ **Last updated:** [September 1, 2021, 9:32am UTC](https://forums.balena.io/t/impossible-to-connect-in-bluetooth-on-a-rapberry-4/346559 "2021-09-01T09:32:54Z")
Hi, I have 2 balenasound I try to connect with an Android 10 smartphone 1 on Raspberry Pi 2 / balenaOS 2.48.0+rev1 on which I can connect in bluetooth without problem 1 on Raspberry Pi 4 / balenaOS 2.82.10+rev1 on wh… --- ## [Bluetooth Audio not working without Internet connection \[solved\]](https://forums.balena.io/t/bluetooth-audio-not-working-without-internet-connection-solved/345975)
**Author:** [@shoopdawhoop26](https://forums.balena.io/u/shoopdawhoop26)\ **Replies:** 2\ **Last updated:** [August 28, 2021, 10:41am UTC](https://forums.balena.io/t/bluetooth-audio-not-working-without-internet-connection-solved/345975 "2021-08-28T10:41:04Z")
EDIT: So guys i got it working by adding a variable : SOUND\_MODE and set its value to STANDALONE, as i am not interested in MultiRoom :slight\_smile: Thanks for the detailed explanations on your website and again i rea… --- ## [Pi Zero W trouble - can't pair via bluetooth with phone](https://forums.balena.io/t/pi-zero-w-trouble-cant-pair-via-bluetooth-with-phone/342807)
**Author:** [@BMWFan](https://forums.balena.io/u/BMWFan)\ **Replies:** 13\ **Last updated:** [August 18, 2021, 4:02pm UTC](https://forums.balena.io/t/pi-zero-w-trouble-cant-pair-via-bluetooth-with-phone/342807 "2021-08-18T16:02:39Z")
I’m a new user. Just getting Balena Sound to work. So far only on a Pi 4. I also have it on a Pi Zero W. They both show up in the Dashboard. There are problems with the Pi Zero W. I can’t connect using Bluetooth to the… --- ## [BLE passkey pairing does not work without restarting HCI](https://forums.balena.io/t/ble-passkey-pairing-does-not-work-without-restarting-hci/329950)
**Author:** [@emalinen](https://forums.balena.io/u/emalinen)\ **Replies:** 5\ **Last updated:** [July 5, 2021, 8:29pm UTC](https://forums.balena.io/t/ble-passkey-pairing-does-not-work-without-restarting-hci/329950 "2021-07-05T20:29:22Z")
I have an application where Raspberry pi 3b+ is in a central role and it provides GUI for controlling a peripheral device. The application registers pairing agent with dbus API and passkey pairing works well, when I am r… --- ## [bluetooth no devices inside container](https://forums.balena.io/t/bluetooth-no-devices-inside-container/328967)
**Author:** [@VidGenI](https://forums.balena.io/u/VidGenI)\ **Replies:** 10\ **Last updated:** [July 5, 2021, 5:48pm UTC](https://forums.balena.io/t/bluetooth-no-devices-inside-container/328967 "2021-07-05T17:48:11Z")
Hi, I am trying to scan for bluetooth devices in my application using btmgmt. On runing the command inside the container: btmgmt find |grep rssi |sort -n |uniq -w 10 all I get is: Unable to open socket I found this … --- ## [Raspberry pi 3 b , bluetooth issue ,sound stops after 3-5 seconds](https://forums.balena.io/t/raspberry-pi-3-b-bluetooth-issue-sound-stops-after-3-5-seconds/319905)
**Author:** [@Aditya](https://forums.balena.io/u/Aditya)\ **Replies:** 4\ **Last updated:** [May 30, 2021, 5:58am UTC](https://forums.balena.io/t/raspberry-pi-3-b-bluetooth-issue-sound-stops-after-3-5-seconds/319905 "2021-05-30T05:58:33Z")
Hi,i am complete newbie to balena os,i was trying to set up balena sound,i succeed in the setup,my device is online, but when i try to play anything via bluetooth it plays clearly for 3-5 seconds, then it stops(using 3.5… --- ## [Bluetooth configuration (with alpine linux)](https://forums.balena.io/t/bluetooth-configuration-with-alpine-linux/113733)
**Author:** [@tdesaules](https://forums.balena.io/u/tdesaules)\ **Replies:** 18\ **Last updated:** [May 16, 2021, 9:32am UTC](https://forums.balena.io/t/bluetooth-configuration-with-alpine-linux/113733 "2021-05-16T09:32:28Z")
Hi everyone, I try to configure Bluetooth connection with my smartphone to a container. I take a look around the forum but can’t find an idea (I don’t know the Bluetooth protocol very well). From my understanding : bl… --- ## [Patch Bluez Bluetooth Firmware BCM4345C0.hcd in OS release for RPI?](https://forums.balena.io/t/patch-bluez-bluetooth-firmware-bcm4345c0-hcd-in-os-release-for-rpi/282791)
**Author:** [@jdr](https://forums.balena.io/u/jdr)\ **Replies:** 3\ **Last updated:** [April 29, 2021, 6:10pm UTC](https://forums.balena.io/t/patch-bluez-bluetooth-firmware-bcm4345c0-hcd-in-os-release-for-rpi/282791 "2021-04-29T18:10:03Z")
Hi, Started having random Bluetooth disconnect problems w/RPI4 and bluetooth sensor. Resulted in orphan processes consuming 100% CPU. I patched BCM4345C0 a few days ago and have not experienced the problem since. It a… --- ## [Raspberry PI not showing up (Balena-Sound)](https://forums.balena.io/t/raspberry-pi-not-showing-up-balena-sound/224947)
**Author:** [@Skratymir](https://forums.balena.io/u/Skratymir)\ **Replies:** 8\ **Last updated:** [April 8, 2021, 1:49pm UTC](https://forums.balena.io/t/raspberry-pi-not-showing-up-balena-sound/224947 "2021-04-08T13:49:19Z")
Hi! I followed your Guide: https://www.balena.io/blog/turn-your-old-speakers-or-hi-fi-into-bluetooth-receivers-using-only-a-raspberry-pi/ and it seems to be working mostly… Spotify works and everything but it doesn’t sho… [Next page](https://forums.balena.io/tag/bluetooth/2.md?match_all_tags=true&page=1&tags%5B%5D=bluetooth)