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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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90 views

How to troubleshoot a permanently blinking green light on a Pi3b?

The green light on a Pi3b is blinking permanently, even after bootup. It outputs two flashes at a time for as long as the power is on. Is this normal? If not, how do I troubleshoot this? Background ...
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2answers
174 views

Small wireless temperature sensor recommendation [closed]

I am working on a human-care project using RPi. The second phase of project is in progress, and I need small wireless temperature sensor to be able to place on a human body. I've searched the internet,...
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0answers
209 views

MPD with Bluetooth

Is it possible to run MPD with bluetooth in the Pi? Currently many guides which I have seen are mostly utilizing Upnp/Wifi setup to run. Now this is fine if there was only Apple devices. Since ...
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0answers
129 views

Raspberry Pi as bluetooth Microphone

I would like to use the raspberry pi as a bluetooth microphone for my iphone. Not the speaker, ONLY the microphone. My vision is to have a microphone plugged into the raspberry pi that could connect ...
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0answers
56 views

How to scan undiscoverable bluetooth devices with Kali?

I set up a Raspberry Pi 3 with Kali Re4son kernel. My goal is to scan bluetooth speakers that are already paired. But paired devices don't show up when I do bluetooth scanning with Kali's tools and ...
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0answers
136 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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0answers
204 views

SSH through bluetooth to raspberry pi using rfcomm. Nothing appears on bluetooth devices on my PC

I followed https://hacks.mozilla.org/2017/02/headless-raspberry-pi-configuration-over-bluetooth/ I see nothing on the bluetooth devices in my cellphone or computer. Here's the output of my raspberry ...
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0answers
34 views

BLE Scan difference

I scanned to find my iPhone from the RPi 3 and my MacBook respectively. On RPi3, I ran 'sudo hcitool lescan', and on MacBook, I used LightBlue. The LightBlue on MacBook could find my iPhone while ...
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146 views

Bleno, cannot find module … bind.node error

I am trying to run a bleno test script, but I encountered this error. internal/modules/cjs/loader.js:583 throw err; ^ Error: Cannot find module '../build/Release/binding.node' at ...
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0answers
114 views

Do I need a Bluetooth Dongle on a RaspberryPI 3 B+ to control GPIO pins from iPhone or android devices?

I'm trying to use Bluetooth to control the GPIO pins on my Raspberry Pi 3 B+. I know that my pi has Bluetooth capabilities built into it, but all of the tutorials that I've found online have required ...
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101 views

python: bluetootherror: (111, 'connection refused')

There seems to be a problem with connecting the Arduino + HC-05 to the raspberry pi 3 Here is my code from bluetooth import * import threading import bluetooth from pprint import pprint host = '98:...
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0answers
103 views

Permission Denied as root when connecting BluetoothSocket with Bluez 5.43

I've been trying to get bluetooth working on my Raspberry Pi 1 Model B+ running Raspbian Stretch Lite 4.14 with a 3rd party USB bluetooth dongle. I installed Bluez 5.43 for python 2.7, and was able ...
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0answers
35 views

Bluetooth fails to connect to PoGo mobile printer or transfer files to it - Raspberry pi zero w

I am attempting a project where my Raspberry Pi Zero W (running Raspbian Stretch Lite) sends photo files to my Polaroid PoGo instant photo printer via Bluetooth, particularly the OBEX Object Push ...
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0answers
87 views

Bluetoothctl error connecting with bluetoothctl

I have the version bluez 5.50, and I'm trying to pair trust and connect two raspberry pi. I try with a smartphone, and I can connect between a raspberry pi and a smartphone. However, when I'm trying ...
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1answer
258 views

Connect to Group Network via Bluetooth Raspberry Pi 3

I want to do SSH from my Macbook Air to my Raspberry Pi 3 via bluetooth. I'm using macOS Sierra version 10.12.1 and Raspberry Pi 3 Model B+ 2017 with the latest version of RASPBIAN STRETCH WITH ...
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1answer
177 views

Is it possible to use Wifi and Bluetooth at the same time on a RPi 3B+?

I need to connect to WiFi and Bluetooth at the same time using an RPi 3B+. Is it possible or will one connection drop out or be very substandard while using the other?
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88 views

raspberry pi zero add external ble module sx1280?

i m trying for raspberry pi zero with external ble module SX1280 for adding extra range of signals.i can communicate with SPI connection on pi with module.how do i disable internal bluetooth and also ...
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0answers
97 views

Raspberry Pi Zero + joy bonnet = Bluetooth game controller?

I would like to use the adafruit joy bonnet on my raspberry pi zero w. The pi should be visible to other computers as a Bluetooth game controller. To be clear: I don't need help connecting a ...
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0answers
105 views

Bluetooth PAN on RPi 3B+

Trying to set up a Bluetooth PAN to enable access to a FLASK server hosted on the RPI. Unfortunately, all the online tutorials and guides are fairly outdated (Jessie), I've tried several but cannot ...
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0answers
44 views

aplay with 3 outputs; choose any two? NOOBS

I have a 3B+. I need to be able to tell aplay, on each invocation, which of 3 audio outputs to use - headphone out, HDMI, or a bluetooth device. I can get any ONE of them to work by right clicking ...
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0answers
192 views

Unable to change Bluetooth Service Class

I've tested this over various Raspberry Pi's(Pi Zero and Pi 2) and different versions of Raspbian lite(Latest to oldest version from 2015) and different versions of BlueZ (5.23, 5.43, 5.49). I have ...
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1answer
172 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
86 views

HC-08 - RPI 3 - Can read but can't write

I use a Raspberry Pi 3 Model B and I have a Bluetooth HC-08 module. I would like to be able to send and receive data. I use the port /dev/ttyS0 and I changed the file /boot/config.txt for "...
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0answers
604 views

Raspberry Pi Zero W Bluetooth audio

I'm working on a project involving Bluetooth audio and a Raspberry Pi Zero W. I plan on using the VLC module for Python along with a Bluetooth speaker to stream audio. However, I cannot seem to get ...
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0answers
298 views

org.bluez.Error.Failed: Raspberry Pi and obexpushd

I am attempting to connect two Raspberry Pi's via Bluetooth. I have loaded all the libraries needed on both pis. Here is my methodology: Boot the pi's Run: sudo obexpushd B-23 -o /bluetooth -n # On ...
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0answers
669 views

SIMPLE setup for RasPi PulseAudio

Setup is new, pretty stock (OSMC). Connected a2dp-app-osmc, mobile & successfully pushing audio (Spotify) to device in a similar fashion as a bluetooth speaker. SWEET :) What I need now is to ...
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0answers
158 views

Linux obexd server utility OPUSH file receive

Using sdptool, I have added the OPUSH and FTP profiles against my bluetooth stack on Linux (yocto Linux to be precise). Given below are my profiles: Service Name: OBEX Object Push Service RecHandle: ...
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1answer
185 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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0answers
53 views

Independent bluetooth audio output

I have a pi3, 2 bluetooth speakers and 2 usb bluetooth dongles. with bluetoothctl I am able to connect each bluetooth speaker to each one of the receivers. I would like to send a specific mp3 file ...
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0answers
23 views

Can we play the same audio in two headsets connected to raspberry pi 3 via Bluetooth?

Can the same audio be played on 2 speakers already connected to raspberry pi 3?
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1answer
191 views

bluetoothd still installed despite uninstalling bluez

I have tried to uninstall the bluez package, as shown below, but bluetoothd -v still outputs a version. Why is this? pi@raspberrypi:~ $ sudo apt-get autoremove bluez Reading package lists... Done ...
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188 views

cmus cannot detect pulse audio bluetooth headset output device

Error log while playing audio file with cmus: Assertion 'pa_atomic_load(&(s)->_ref) >= 1' failed at pulse/stream.c:350, function pa_stream_get_index(). Aborting. cmus output plugins: ...
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0answers
278 views

Bluetooth PAN on the Pi Zero W

I have the following problem: I want to host a webserver on my Pi Zero W and access it over Bluetooth. To achieve this i tried to use PAN as underlying layer. The first time i followed this post. Most ...
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0answers
297 views

Raspberry Pi 3 Model B + Bluetooth w/Buildroot

I am attempting to get a Raspberry Pi 3 Model B with Bluetooth working under a generic Buildroot image (I have only minimally modified the default raspberrypi3_defconfig) created via buildroot-2018.05....
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0answers
348 views

Why won't pygame play sound over Bluetooth when everything else works?

I having trouble getting a program I've written using the pygame sound mixer to play sound to work over Bluetooth. The program is able to work correctly over HDMI audio. The Raspberry Pi has no ...
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2answers
227 views

Raspberry pi zero wifi serial1 not created on first boot with yocto

Our company is attempting to use a raspberry pi 0 wifi for an IOT product that we are booting with a custom yocto image. After making some changes (added mender) the serial 1 device stopped working on ...
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0answers
27 views

How do I start a rollei 5S wifi and a Gopro Hero 4 at the same time using a rpi for them to be genlocked?

Rollei 5S WIFI: https://www.rollei.de/blog/wlan-einrichten-rollei-5s-wifi/ GoPro Hero 4: https://gopro.com/update/hero4 Both accept wifi connections and both have remote controls that don't use wifi.
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1answer
39 views

What does it mean and what are the reasons for when a RPi3 cannot find a service?

I have a RPi3 which can successfully trust, pair, connect and even list the service UUIDs of a BLE device both via bluetoothctl and via Bluepy python library. But when it tries to 'get' that service ...
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0answers
109 views

Bluetooth as a virtual audio device (input)

I am trying to setup this audio-reactive-led-strip library but with Bluetooth audio as the input. I have so far, got my LED strip to work with the standard strandtest.py and have also successfully ...
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0answers
34 views

Audio to both 3,5mm jack and bluetooth speaker

Is it possible to play the same audio with for eg, VLC(or any other software) to both a bluetooth speaker and through the speakers connected to the 3,5mm jack?
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2answers
189 views

Disable UART such that it will not be on during the boot process, but only after

I am using UART sensors that do not allow the RPI to finish the boot when the serial console and the bluetooth are on. I did disable them using the dtoverlay=pi3-disable-bt in /boot/config.txt and ...
1
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1answer
126 views

How to programmatically check bluetooth speaker is connected to rpi3?

I am trying to detect if my bluetooth speaker is connected to my rpi3 with my python code, executing this command status = subprocess.call('ls /dev/input/event0 2>/dev/null', shell=True) if the ...
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1answer
223 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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0answers
50 views

How to control bluetooth on raspberry pi 3?

I have Paspberry Pi3 with Bluetooth. Does anybody know how can I control Raspberry Pi 3 through Bluetooth connection? Can you share a code to do this? Thanks in advance!
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0answers
35 views

Conflict between Apple bluetooth mouse and keyboard

I have successfully paired my Magic Mouse and Magic Keyboard to RPi0W using the typical bluetooth pairing workflow: sudo bluetoothctl and then: power on agent on # "agent KeyboardOnly" for the ...
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0answers
57 views

Java application uses wrong audio output

I have a raspberry pi 3 model b+. I have paired it with a bluetooth speaker, and it plays sound correctly through that speaker. Except when my own java application tries to play an mp3 file, it sends ...
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0answers
76 views

Bluetooth pairing with pre-shared-key

I want to pair my Raspberry Pi zero with my android phone using a pre-shared key. By using bluetoothctl I can pair both devices but not with a pre-shared key only either with no key at all or with a ...
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0answers
51 views

How to pair authenticate certificate raspberry pi with bluetooth (Blueterm)

I have connected my phone(blue term) with raspberry pi's zero.It connected automatically without asking any key or authenticate id. i want to connect my mobile(blue term) authenticate pair with pair....
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0answers
355 views

Passing Command via Bluetooth to control Android device

I am trying to control my Android Device using Rpi3(using command line) via Bluetooth. I am able to pair my device with Rpi3 and can also send data(images & files) via Bluetooth. But I don't have ...
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0answers
1k views

Raspberry Pi zero Bluetooth Programming with Python

I have connected my galaxy on7 with Raspberry pi zero's bluetooth onboard.i could connected pi with my phone. In my phone i installed blue term(terminal).The problem is not my code(python) running on ...