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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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Trouble establishing bluetooth connection between iOS/Windows10 and Raspberry pi Pico W through Arduino IDE

I have been having a lot of trouble extablishing a bluetooth connection between my iOS phone and a Raspberry Pi Pico W using bluetooth. I have taken a look at a lot of online resources on the matter ...
poppySeeds's user avatar
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1 answer
20 views

Unable to use Uart and Bluetooth in Rpi3 with audio output simulatneously

I am using Rpi 3b+ and I am trying to use the Bluetooth and UART simultaneously. with ls -l /dev: Serial 0- ttyAMA0 Serial 1 - ttyS0 I had to use the UART(for reading coordinates in gps) and ...
Aryan's user avatar
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-2 votes
0 answers
17 views

Communicate flutter with raspberry pi via bluetooth

i downloaded yolov5 object detection model on the raspberry pi and i modify on the code to give a result as text file that have top largest n detected objects areas and score depend on the area . And ...
Rahafjazar's user avatar
0 votes
0 answers
35 views

Controlling bluetooth with a python script

I have a raspberry pi 4 model b running Raspberry Pi OS Lite 64-bit with Operating System: Debian GNU/Linux 12 (bookworm) Kernel: Linux 6.6.20+rpt-rpi-v8. I have to control the Bluetooth of the ...
Plat00n's user avatar
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0 answers
15 views

raspberry pi bluetooth not showing up on Mac

I have a bluetooth server that I wrote in python running on a Raspberry Pi Zero, and it works great. I can connect to it from my iPhone and I have python code that connects to it running on my Mac. ...
CrabbyPete's user avatar
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1 answer
35 views

Raspberry Pi Zero W UART, Bluetooth, and USB

I have a Raspberry Pi with Bluetooth using the /dev/ttyAMA0 and a UART using /dev/ttyS0. Is it also possible to use the USB as another UART? Are pins 14 and 15 tied to the USB as well?
CrabbyPete's user avatar
0 votes
1 answer
26 views

Disabling RPI media output

when I connecting to my RPI via bluetooth it detect it like headphones and think that it have media output. I want to disable it . here you can see that it appears in the media output of the phone. ...
Amit Lichtman's user avatar
1 vote
0 answers
23 views

How to enable Bluetooth on the Raspberry Pi 3B with Void Linux?

I have a RPI 3B with Void Linux, I've searched a lot on Google how to enable Bluetooth, but I can't find solutions.... Here are the things I have already done: Followed to the letter the indications ...
Jamil Gomez's user avatar
1 vote
2 answers
38 views

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 ...
Chris H's user avatar
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0 answers
23 views

Disable PIN request for pairing on Rpi

when i try to connect the rpi bluetooth it showa a pin. i wat to be able to connect the rpi bluetooth without a pin. how can i disable the pin? i try to disable the pin via bluetooth settings but it ...
Amit Lichtman's user avatar
0 votes
2 answers
42 views

Bluetooth audio issue

I'm running a 'bullseye Lite' system (i.e. no GUI), and trying to get it to play audio through a connected Bluetooth speaker. I'm not having much luck. I tried following an earlier approach (worked on ...
Seamus's user avatar
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1 vote
0 answers
84 views

Difficult issue with Bluetooth

This must be an RPi issue because after an hour of searching, I've found nothing similar: I have an RPi3A and an RPi4B sitting about 2 meters apart. Both are running an up-to-date bullseye RPi OS &...
Seamus's user avatar
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0 answers
19 views

how to connect bluetooth devices after turning bluetooth on?

This is in LXQT, I am apparently the dumbest person in human history but I have been digging through menus for like 45 minutes trying to connect my bluetooth headphones. I got as far as where it's ...
user162177's user avatar
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1 answer
20 views

Which document I can find bluetooth HCI event code meaning?

While I was searching how to find Bluetooth HCI event code meaning, I found the link below. Raspberry Pi Bluetooth HCI Event Code Meaning In this post, Section 7.8 Part E, Vol 4 and Section 7.7.14, ...
Cprogrammer's user avatar
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34 views

Bluetooth dongle no device found during scan

I want to use my Rpi3 to run retropie and I'm trying to connect a controller with Bluetooth. Using the integrated peripheral I was able to pair it, but the delay was huge (we're talking seconds). ...
jspkay's user avatar
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1 answer
33 views

BlueALSA audio not playing when initiating connection through bluetoothctl, but does play when connection initiated through device

I use a Raspberry Pi 4 as a bluetooth receiver for audio. I set it up with this script and it works well if the connection is initiated through my phone: Click on the name of the raspberry bluetooth, ...
yar's user avatar
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0 answers
17 views

Accu-Chek Glucose Meter disconnects automatically

I am using Accu-Gluco Meter to connect with my Raspberry-Pi4. I am using bluetoothctl & also installed pygatt library. I could pair and connect using bluetoothctl commands and everything was ...
Amol Jadhav's user avatar
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0 answers
39 views

Can't send document files from pi to my phone or laptop on bluetooth (it is showing up as audio)

Running Debian version 12 on a Pi4B. My pi is my typewriter, and I want to send document (WordGrinder) files from the pi to my Pixel phone (or laptop) over bluetooth. I have a strong bluetooth ...
PangolinGold's user avatar
0 votes
0 answers
126 views

(Resolved) Audio over bluetooth doesn't work when launch as a systemd service

I'm running into a similar issue as (Can't play audio via BT from systemd service) on my project where audio works fine in the python script if I launch it from the command line, but if I move it ...
hkd's user avatar
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1 vote
0 answers
218 views

Raspberry Pi Pico w bluetooth doesn't pair

I'm trying to set up bluetooth with the pico w with the c/c++ sdk for it to communicate wirelessly with my laptop. I'm using btstack's and rasberry pi's example of spp_streamer.c. Also shown here. The ...
gringott capt's user avatar
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0 answers
31 views

BlueDot Serial Bluetooth server for OBD

I am building an OBD Raspberry PI car dashboard and I've been struggling to get the adapter to connect and send info. I recently learned that the rfcomm support was dropped years ago by bluez and was ...
Soham's user avatar
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0 votes
1 answer
726 views

Reading data from a BLE peripheral device via bluetoothctl

I am new with Raspberry Pi 4B and I am trying to read data sent from a peripheral BLE device, but I am having some problems and would like your help. First of all, I am able to connect to the BLE ...
aag's user avatar
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0 votes
0 answers
22 views

Is it possible to stream audio via Bluetooth over the same connection used to send Bluetooth commands?

I have a Pi 4 that receives commands over Bluetooth from an iOS app to do things like play music stored on the Pi. I am considering making it so that the music need not be stored on the Pi, but is ...
Michael Flores's user avatar
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0 answers
10 views

Smooth change from headset_head_unit to and from a2dp_sink with a script

I want to use my bluetooth bathroom speaker. That is connected to a pi zero 2 snapcast client. to pickup phone calls when im there. I'm stuck at the point that i cant make a sollid cli script to ...
Bram's user avatar
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0 votes
0 answers
42 views

OBD Raspberry Pi bluetooth and serial connections issues

So I've been trying to get my digital dashboard code working and I have to connect to the OBD plug to the Pi but ive run into a plethora of issues since then. The first time I did it, the OBD device ...
Soham's user avatar
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1 vote
0 answers
51 views

Process/Flow/steps for speeding of the booting time in raspberry pi for the cluster

I am using Raspberry pi for the cluster, that would display the basic data like the CAN data and one wire data. For can I used the Can-Socket and for one wire I am just reading a gpio pin of raspberry ...
John Mist's user avatar
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0 answers
200 views

RPi 4 Bluetooth not functioning

I reset my raspberry pi 4 and now the bluetooth isn't working. I have tried different devices to connect to but all of them will connect and then disconnect immediately after which in the bluetooth ...
Steven Dezort's user avatar
-1 votes
1 answer
847 views

How to enable serial communication on Pi 4 using BookWorm OS?

Raspberry Pi 4 and Latest Raspbian Bookworm OS. I want to have Pi 4 communicate over serial connection using GPIO14 (BCM) and GPIO15 (BCM) or UART TX and UART RX. I have followed the same setups that ...
ThN's user avatar
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0 answers
109 views

i want RPi will give internet to my desktop

I'm struggling to get internet in Desktop from Raspberry Pi. Same steps as from mobile Bluetooth to Desktop try to access internet worked. Any solution tell me.
Premanand Patro's user avatar
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0 answers
19 views

Cannot use USB presenter (Logitech, Flirc) when running Jack audio on a USB audio interface

I want to use a USB keyboard'ish device on a Pi 4 running Raspbian Buster. I tried both a Logitech R400 (radio based) device, and a Flirc programmble USB receiver for Infrared. Both work fine on a ...
0__'s user avatar
  • 502
0 votes
0 answers
570 views

Bleak/Python: BLE filtered scan with timeout, and getting AD data

My task is to scan for x seconds for a BLE device with a specific name or service UUID, then get the RSSI value for returned device(s). Bleak seems to be the best option as far as I can see. I've been ...
ExMarksTheSpot's user avatar
0 votes
0 answers
212 views

Is it possible to enable an HSP/HFP profile in Raspian Bullseye?

I am running Raspian Bullseye (Debian 11) on a RaspberryPi 4b and would like to use my Apple AirPods as a 2-way headset. I've done lots of digging, followed this tutorial by Youness (https://youness....
for coder in woods's user avatar
0 votes
0 answers
32 views

Bluetooth device headset_audio_gateway profile change from available to not available during connection on a Raspberry Pi

I'm working on a Raspberry Pi 4, with a Bluetooth USB Dongle. I'm trying to use the RPi as a headset connected in bluetooth to an Android device. I followed this tutorial: https://scribles.net/hfp-on-...
AntoineN's user avatar
0 votes
0 answers
52 views

Troubles connecting raspberry and OBD2 through bluetooth

I try to connect my pi zero W to OBD2 module through bluetoooth. My pi is connected to my 4G iphone wifi and I communicate with it through ssh. I used bluetoothctl and can't connect when running ...
Antoine Riguillard's user avatar
0 votes
0 answers
60 views

BIAS attack on Raspberry Pi

I am trying to recreate the BIAS Bluetooth attack on my Raspberry Pi 3. I have successfully configured it as an audio sink (to give the connection a purpose and to impersonate my bluetooth speaker) ...
Zabbidou's user avatar
1 vote
0 answers
138 views

Use Raspberry Pi Zero WH as keyboard HID driver at boot

Background My keyboard, a Majestouch Convertible 2, has Bluetooth capabilities such that it can connect up to 4 devices. My primary driver and the 1st device the keyboard is connected to is my desktop,...
twelfth's user avatar
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0 votes
0 answers
61 views

HCIUART not working after Kernel Upgrade

For some experiments with BLE I did manually a kernel upgrade of a Raspberry Pi 3B+ by using (example; I tried a few versions of the official GitHub repository): https://github.com/raspberrypi/linux/...
bilaljo's user avatar
  • 101
0 votes
0 answers
62 views

How can I use my Raspberry Pi as a Bluetooth sink with AVRCP protocol?

I've been searching the internet for two days now and have made several attempts to use my Raspberry Pi (Computemodule 4) as a Bluetooth sink with AVRCP protocol. Unfortunately, I have come to no real ...
Manuel Neff's user avatar
0 votes
0 answers
21 views

Bluetooth audio does not work under ssh (but works on the GUI)

I would like to play audio from my Raspberry Pi to an external bluetooth speaker. I have successfully connected to the device and, from within the graphical desktop (which I connect with VNC), I can ...
anumi's user avatar
  • 101
0 votes
0 answers
60 views

How to check if bluetooth packets are being recieved by BlueZ daemon

I'm connecting to BLE devices on a Raspberry Pi (running Raspberry PI OS (bullseye)) running BlueZ 5.68. I call BlueZ's AcquireNotify method to read incoming packets. However I'm not receiving all the ...
Richard Beattie's user avatar
0 votes
1 answer
569 views

Can a Raspberry Pi Zero work with a bluetooth adapter?

Is it possible to use a bluetooth adapter (usually BLE) with a Raspberry Pi Zero? I don't mean the one that comes with built in wireless and bluetooth, I mean the one without wireless.
user832's user avatar
0 votes
1 answer
571 views

Issues when Using a Pi Zero 2W as a Bluetooth Headset

I'd like to use my Raspberry Pi Zero 2W as a Bluetooth headset to connect with my Android phone with an HSP profile. The speaker and microphone are connected via an external USB soundcard. After ...
Matt B's user avatar
  • 11
1 vote
1 answer
280 views

Can't play song on startup using Python and rc.local

I have a python app called main.py, that runs upon startup using rc.local. During this app's runtime, it runs an external bash script 'play.sh' that runs vlc to play a song. The code in the 'play.sh' ...
Dave Listman's user avatar
-1 votes
2 answers
565 views

Bluetooth and UART raspberry pi zero w

My objective is to get both data from VN200 GNSS/INS sensor (using GPIO14/15) and heart rate monitor strap Polar H10 (using Bluetooth) at the same time for synchronization. Bluetooth on pi zero w by ...
CoffeePlease's user avatar
1 vote
0 answers
193 views

Can I connect to bluetooth audio and send audio OUT while using an external sound card for audio IN?

Sometime ago I used this helpful tutorial: How can I use an external USB sound-card and set it as default? to set my external USB sound card as my default. This has been great for me as I use external ...
M0nst3rM0vi3's user avatar
1 vote
3 answers
242 views

Can't play audio via BT from systemd service

I have a Pi0 which I am using to play radio or local music files via a BT speaker (see https://github.com/WhyNine/pi-radio-music for the full source code). The code is written in perl and I am using a ...
WhyNine's user avatar
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1 vote
0 answers
127 views

Issue with connecting ELM327 bluetooth adapter to raspberry pi, Bullseye latest OS

I am trying to read OBD data from ELM327 BT Adapter. I have paired it successfully, and bind using rfcomm is also OK. However, while running the obd python module I am getting the following error: >...
Satyajit Neogi's user avatar
1 vote
0 answers
97 views

Stadia gamepads & pi4b bullseye bluetooth disconnects

All right, My setup consist of a RPi 4b 4gb, 4 stadia controllers, Raspberry Pi OS Bullseye. OS on SSD connected through powered USB3 hub, also a Coral USB connected. Power should be ok. The ...
Ivan's user avatar
  • 11
1 vote
0 answers
68 views

How to turn PI4 into a IOT device , discoverable and configurable via mobile app (Wifi P2P or BLE) [closed]

I've created a simple camera system on the PI 4 which I want to be discoverable with a custom android app. The should find the PI device, then automatically connect, then mobile app will share the ...
Tommy Geerts's user avatar
1 vote
0 answers
203 views

Bluetooth wont start at Raspberry Pi zero 2

When I run sudo systemctl status bluetooth.service it shows loaded but not started. start command wont work. I have to use btusb first. >>> sudo modprobe btusb >>> sudo systemctl ...
Marcel Kopera's user avatar

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