Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [bluetooth]

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

2
votes
2answers
2k views

Pi as Bluetooth headset

I am having problem setting up Pi as Bluetooth headset - HSP profile (I do not need/want A2DP, HFP, etc. Just the simplest HSP.) In short, Pi should be seen as a headset by any device that can connect ...
1
vote
0answers
34 views

Can't read from paired and connected Bluetooth device

I'm running a code on Arduino and using Bluefruit EZ-link to pass data from Arduino to Raspberry Pi3B. The Arduino code is working as well as its setup with the EZ Link as we've already got the whole ...
1
vote
0answers
84 views

Direct sound playback via HDMI with sound input from Bluetooth Mic

I've connected my Raspberry Pi to a TV via HDMI, by default the sound output is through TV speakers via HDMI. I installed pulseaudio and successfully connected a Bluetooth headset [samsung HM1100] to ...
2
votes
2answers
764 views

Bluetooth libraries not correctly install with bluez 5.47 install

I installed Bluez version 5.47 onto a Pi-3 running Raspbian version 9 (Stretch). files were copied into /home/pi/bluez-5.47 directory and successfully executed the dependencies, compile, make and ...
1
vote
1answer
263 views

prevent GUI notification for Bluetooth Pairing

Currently, I am trying to control Bluetooth (pairing - connecting - removing ...) with my python code (by accessing to bluetoothctl through pexpect). It actually works fine but I have a problem with ...
2
votes
2answers
117 views

Bluetooth problem

I wanted to try out the Bluetooth function today on my Raspberry Pi 3. I turned on Bluetooth on the RPi3 and turned on Bluetooth on my headphones. It said can't connect to headphones try with sound ...
0
votes
0answers
1k views

Raspberry Pi zero W (headless) bluetooth audio setup problem

I want to run a Python3 script with a text to speach engine called pyttsx3 to read some text via bluetooth.Unfortunally it does´t work. So what I have done is this: First I have setted up a new ...
1
vote
0answers
207 views

Using Bluez, how to select what HCI interface to use?

I have an external USB Bluetooth 4.0 interface and the built in BT interface. I would like to configure Bluez to use the external Bluetooth 4.0 interface only (hci1). I did systemctl stop hciuart ...
1
vote
1answer
510 views

Disable default bluetooth dialog box for accept pairing in raspberry pi3

I am developing a Bluetooth application using Qt5 on Raspberry Pi3. I have implemented my own Pairing agent which will automatically accept the pairing request from the remote device. The code is ...
3
votes
1answer
417 views

Audio from audio source to pipe (stdin/stdout)

I am trying to get an audio stream from Bluetooth to the stdin of fm_transmitter on my Raspberry Pi 3 / up-to-date Raspbian Stretch. So far, I got FM-Transmitter running with an ICE-Cast-Stream ...
2
votes
0answers
39 views

How get old Apple bluetooth keyboard and mouse recognised

I have an old Apple Bluetooth keyboard and mouse from about 12 years ago. They can still connect to my newer Mac laptop, but the Pi 3 bluetooth adaptor cannot see them at all. According to Apple's ...
2
votes
0answers
78 views

Can Raspberry PI 3 transmit beacon signal? [duplicate]

Raspberry PI 3 contain internal bluetooth 4 and BLE: Specifications SoC: Broadcom BCM2837 CPU: 4× ARM Cortex-A53, 1.2GHz GPU: Broadcom VideoCore IV RAM: 1GB LPDDR2 (900 MHz) Networking: 10/100 ...
1
vote
0answers
1k views

Getting audio over bluetooth on PiZeroW

I have a PiZeroW set up as a headless Spotify connect device. The OS is the latest Raspbian Stretch. I have the audio output connected through a Pimoroni PHAT DAC. The device is setup using ...
1
vote
0answers
105 views

Coin Cell Powered Bluetooth “water on floor” sensor(rope type)

disclaimer, I am quite new to development of solutions around the Raspberry PI, so please forgive If I'm slow at grasping something but, I'm trying to put together a package to implement across ...
1
vote
0answers
775 views

How can I connect MATRICOM wireless controller to raspberry pi 3?

I bought 2 wireless controller from amazon called MATRICOM to connect them to my raspberry pi 3 running retropie 4.2 This controller works for PC, Android, PS3. It has a mode button so I can change ...
1
vote
1answer
1k views

Setting up headless Raspberry Pi Zero W with Bluetooth

So, I've went through many posts of setting up bluetooth for either Pi Zero W or Pi 3. None of them worked out for me. This is how far I've gotten: 1) mgjo5899@raspberrypi:~ $ systemctl status ...
1
vote
1answer
370 views

Onboard bluetooth/wifi not working on Raspberry Pi Zero

I'm running on a Pi zero 1.3, and I cannot get the onboard wifi / bluetooth to work on either Stretch or Jessie. hcitool dev returns an empty devices list, and when I try systemctl status hciuart....
0
votes
2answers
1k views

Bluetooth 4.0 adapter with external antenna

I'm looking for a bluetooth 4.0 (BLE) adapter for raspberry pi with an external antenna acting as a bluetooth signal booster. My raspberry pi is inside locked booths of parking lot which senses the ...
3
votes
2answers
4k 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
1answer
1k views

how can i select the audio output to be a known bluetooth device headless

When I connect the pi to a display, I can click on the audio output icon in the status bar and select a bluetooth device. Doing this, audio plays fine. When I try and connect with bluetoothctl on ...
0
votes
1answer
969 views

Bluetooth disconnect

I solved my previous Bluetooth issue, but now my problem is that every time I try to connect something (per Bluetooth) with the Pi Zero W it disconnects very quickly. If I try to connect it to my PC, ...
2
votes
0answers
228 views

Raspberry Pi 3 & Arduino: [bluetooth.btcommon.BluetoothError: (112, 'Host is down')]

I am trying to send informations from Raspberry Pi 3 to Arduino Uno with bluetooth. I managed to connect the Arduino's bluetooth module with the Raspberry Pi. But I have this error when I execute my ...
1
vote
1answer
105 views

Can I use an old bluetooth dongle with a model 2B?

$hciconfig -a ... ... ... HCI Version: 2.1 (0x4) Revision: 0x529b Does anyone know if this hardware is incompatible? I got some old bluetooth dongles from work and found my old rpi, it's a model 2 B....
0
votes
1answer
47 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 ...
0
votes
0answers
131 views

Bluetooth service not running

I recently setup working Bluetooth communication between a Raspberry Pi 3 and an Arduino (Flora), where the Pi was receiving data transmitted by the Flora using BLE. The tutorial I used to accomplish ...
1
vote
0answers
1k 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 ...
0
votes
2answers
2k 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
1answer
2k views

Is there a way to make pi zero w's Bluetooth visible on other devices?

I know that questions are supposed to involve code but coming from someone who has never used a pi, the linux environment, or python before, is there a way to write a python script using pybluez to ...
0
votes
1answer
1k views

Arduino to RPi using Bluetooth?

I'm working on a project that the goal is to send data from an Arduino (a Flora, specifically, reading sensor information) directly to a Raspberry Pi using BLE. I'm following this guide, and on ...
4
votes
2answers
6k views

Setup Bluetooth on a pi zero w

i want to connect my bluetooth headset (not headset the smaller ones for mobiles) to my headless Pi zero w. But I can`t connect it, because it tells me there is no controller available and I want to ...
0
votes
1answer
43 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 ...
5
votes
2answers
311 views

How to temporarily secure a Pi against BlueBorne

Apparently Raspbian does not yet have a fix for the BlueBorne vulnerability, which can be exploited by an attacker within range of the device, with no need for the attacker device to be paired to the ...
0
votes
1answer
2k views

Bluetooth sink has no audio

I found other questions similar to mine but without a working answer. On RPi3 with Raspbian Stretch I'm trying to connect to a Bluetooth speaker. It connects but I have no audio output. pi@rpi(rw):~$ ...
1
vote
1answer
2k views

Raspbery Pi 3 Bluetooth No Controller

Hi I want to use the BLE on my raspberry pi 3 Jessie. But I'm not able to get it working. Bluetooth is loaded, active and running $sudo su $apt-get update $apt-get install bluetooth bluez blueman $...
1
vote
1answer
184 views

Send encoder data to Mobile app using bluetooth

I have a requirement wherein I need to measure the distance travelled (Real-time) and display it on an app on a tablet present inside that moving vehicle. I have a setup wherein I have connected the ...
0
votes
1answer
94 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 ...
2
votes
1answer
1k views

Where can I see my device's BLE UUID?

I've been working on a project in which I need to pair an iPhone with my RPi. I've successfully done it, only that I would like to know how can I get the RPi's BLE UUID my iPhone sees when it scans ...
1
vote
1answer
121 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 ...
1
vote
0answers
3k views

Raspberry Pi 3 Bluetooth Programming with Python

I have successfully connected my cell phone to the Raspberry Pi's onboard Bluetooth. I know the Bluetooth works, but I cannot get connection on Bluetooth to work properly. I get this error when I run ...
1
vote
0answers
993 views

pulseaudio:“Denied access to client with invalid authentication data”

I'm running Debian Stretch on a RPi 3 and to play audio via my bluetotth box without any luck. This is basically what I did: https://github.com/davidedg/NAS-mod-config/blob/master/bt-sound/bt-sound-...
2
votes
1answer
619 views

Bluetooth audio problem

I have a rpi zero W with a raspbian lite (without desktop environment). I installed bluetooth support (bluetooth bluez bluez-utils), pulseaudio (pulseaudio pulseaudio-module-zeroconf alsa-utils avahi-...
1
vote
1answer
140 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 ...
1
vote
1answer
972 views

Raspberry Pi 3, bluetooth is not getting connected with HM-10 bluetooth module

I currently have a Raspberry Pi 3 with built-in bluetooth and some of my work specification require to connect it with HM-10 bluetooth module but I am unable to do so. I have tried various methods ...
1
vote
1answer
2k views

How to use Bluetooth, SPI and UART at the same time with an RPI3?

I just bought a Rpi3 and a Kuman 3.5" screen to make a minimal computer. I also have a PN532 to do NFC. My configuration: - Kuman 3.5 screen is connected to SPI0.0, touchscreen to SPI0.1; - I need ...
1
vote
0answers
51 views

Bluetooth re-connecting on reboot of nexdock

I have a nexdock laptop. I have to connect bluetooth (pair) each time I bootup Raspbian. I followed the directions to add a command line in the crontab -e menu. Still have to pair the nexdock. Anyone ...
1
vote
0answers
378 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 ...
9
votes
1answer
10k views

Bluetooth does not work with Raspbian Stretch and Raspberry Pi 3

On a new install of Raspbian Stretch, log in and with the first command of systemctl status bluetooth, I get: $ systemctl status bluetooth ● bluetooth.service - Bluetooth service Loaded: loaded (/...
1
vote
0answers
947 views

Video streaming over Bluetooth from RPi3 to android app

I'm building a robot that is controlled using a Android app by sending commands over Bluetooth. I would like to also get a video over bluetooth to my android app from RPi3. My question here is, did ...
0
votes
1answer
5k views

Sending a message from Raspberry pi to android device using bluetooth

I want to have a button on raspberry pi to send a message to android device using bluetooth,is it possible by using the raspberry pi or i should look for another iot hardware ?
1
vote
2answers
686 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 ...