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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BLE + RPi 3 + Node.Js

I am currently developing an application where I connect from an Android/iOS app to the Raspberry Pi 3 via Bluetooth/BLE. Once paired, the RPi will send temperature measurements to the mobile app. I ...
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1answer
3k views

Using Pi 3 Bluetooth with external GPS

Im trying to connect a RPI3 (running jessie-lite) via Bluetooth to an android phones gps output. I'm using https://play.google.com/store/apps/details?id=com.meowsbox.btgps to stream NMEA strings from ...
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1answer
2k views

cheap temperature sensors with bluetooth

I have a PI and I need to develop an application to sense between 8 to 16 temperature sensors. BMP180 and a multiplexer have been a PITA and I havent been able to make it work. Is there any other way ...
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1answer
861 views

Is there an easy way to switch from hdmi to bluetooth audio seemlessly in raspberry pi?

I'm on raspbian stretch, I had an android tv box that broke down so I used a raspberry pi 3 I had around for uni to replace it. In the android tv box, if I connected a bluetooth headset, it would ...
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1answer
104 views

Bluetooth cannot be started

Using Raspbian Lite on my RaspberryPi 4. Havent been able to get the Bluetooth working. I tried $ sudo systemctl start bluetooth but $ systemctl status bluetooth ● bluetooth.service - Bluetooth ...
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1answer
67 views

Connecting a phone microphone to Raspberry Pi using Bluetooth

I own a Raspberry Pi 4B model and I want to record my voice with the Raspberry Pi. Since I don’t have a Bluetooth microphone or headset (with microphone incorporated), I want to connect my Samsung ...
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3answers
1k views

Python Script that handles Bluetooth doesn't work when loaded on startup

Background I am using my Raspberry Pi B+ to control a 32x32 LED matrix and I am trying to send commands from an Android app to my Pi over bluetooth to display text on the LED matrix. I am using ...
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1answer
1k views

Raspberry Pi bluetooth volume buttons

I have configured my pi to connect and receive bluetooth audio from my iPhone 5c using pulseaudio and bluez. How do I use my volume buttons from my iPhone to control the output of the audio from my pi?...
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1answer
2k 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
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1answer
648 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 ...
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1answer
42 views

Connecting bluetooth keyboard automatically at boot

I made a raspberry pi robot that you can control with the keyboard and I want to use my bluetooth keyboard with it. The python program automaticley starts. I used /etc/rc.local to do this. #!/bin/sh ...
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0answers
26 views

How can I communicate from the terminal on the RP over Bluetooth with my Android device?

I am trying to launch an app on my Android device over Bluetooth when my ultrasonic sensor is triggered on my Raspberry Pi. I have installed a terminal emulator on my Android device and am ...
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1answer
2k views

Raspberry Pi 3 BLE scanning failure

I am trying to implement the next code to scan for BLE devices: #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/socket.h> #include <bluetooth/...
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1answer
338 views

How to use serial and bluetooth at the same time

I'm working on a drone project using a mobile phone do send pitch/roll/throttle and yaw to a Rpi 4 2GB over bluetooth. This is no problem. But, then I want to send these values to the ...
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1answer
17 views

Using Serial and Bluetooth device (external device) same time especially for using external BT dongle

I want to use Serial and BT same time on RPi 4B (Python) I thought I cannot use it so I attached usb blutooth dongle (CSR4.0?) on it. But I only can find references on the net using default BT when I ...
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0answers
1k 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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0answers
28 views

Connect nrf52 Board to Raspberry Pi(as gateway) and create mesh network using other raspberry pis(as nodes),nrf52 dk will be mediator between Pis

I am making mesh network using Raspberry pi and NRF52 DK. I install bluez 5 and meshctl on raspberry pi. I successfully connected nrf52 dk using bluetooth. I attached screen shot. Now, I want to ...
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0answers
51 views

Can I use A2DP profile as audio input in a phone call for higher quality audio? I am aware this would remove the option for using microphone

I've been able to connect my raspberry pi 4 to my phone as a bluetooth HSP/HFP profile. I used PulseAudio and ofono for that, following this tutorial: https://scribles.net/enabling-hands-free-profile-...
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0answers
86 views

Route native Alsa app audio to bluetooth speaker with Pulseaudio?

I have an app that only supports Alsa, and I want to route its audio to a Bluetooth speaker. I'm attempting to use Pulseaudio to do it if that is possible. The Bluetooth speaker is paired and I can ...
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0answers
72 views

Bluetooth headphones keep disconnecting/reconnecting

I have a pair of SoundbudSlim+ that I've been using for years on my phone. Trying to get them to work on the Pi4 running up to date Raspbian. I don't need the microphone, just the audio is fine. The ...
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1answer
39 views

How to connect an Raspberry pi to an android phone via bluetooth?

I am working on a project in which I'm supposed to take some readings from sensors, then do some analysis on them and output a result. I want to display this result on my android phone. How would I go ...
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2answers
5k views

Bluetooth connection attempt gives “Failed to connect: org.bluez.Error.Failed”

I'm a recent RPi user. Pi version - Pi 3, Model B Bluetooth speakers - Philiphs BT64R I've tested the speakers with other devices and the bluetooth pairing works fine. I've also tested my Pi with ...
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0answers
27 views

How to set up an Access Point / WiFi Repeater to connect through Bluetooth?

I had successfully set up my raspberry pi as an access point as WiFi repeater followed this guide: Access point as WiFi router/repeater, optional with a bridge. I would like to set up my raspberry pi ...
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1answer
874 views

Will the RPi-4 work with a Logitech K830 keyboard?

Ideally in Bluetooth mode? But at least in wireless mode with a dongle. Pi runs Raspbian & connects to family TV & is wirelessly connected to home network. Therefore, is ideal to have a back-...
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0answers
17 views

Only one application can output audio to bluetooth speaker at a time

I have a rpi 3b+ running on the latest Raspbian Stretch with desktop (2019 April 09), I updated/upgraded all packages to newest version, everything related to bluetooth & audio is kept default. I ...
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1answer
2k views

Rpi Bluetooth Android Device Connection Pairing Problem

I'm trying to connect my rpi0 w to any android device via Bluetooth LE(low energy) , i can pair but i can't connect them ,an error always showed (Connection failed,No usable services on this device ) ...
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0answers
82 views

Serial port communication between nRf52840 dongle and Raspberry pi 4 using Ble

I need to pass a stream of data from raspberry pi 4 to PC through Ble. I can successfully build and run \examples\peripheral\usbd_ble_uart. It can communicate with my android phone using nRF connect ...
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0answers
37 views

Adding Flags to BLE HID Advertisement using bluez Raspberry Pi 3 Model B+

I'm trying to mock a BLE connection between and Android phone and a HID BLE mouse by using bluez 5.50 on a Raspberry Pi 3 Model B+ to create a mock HID BLE mouse. I've managed to advertise the device ...
23
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2answers
29k views

SAP error on bluetooth service status

I am getting an error on bluetooth service status. I need guidance to resolve this error. pi@raspberrypi:~ $ sudo service bluetooth status * bluetooth.service - Bluetooth service Loaded: ...
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1answer
36 views

Connecting to TE M5600 bluetooth 4.0 pressure sensor

A similar question has been asked before , but I'm unsure how to add a follow up question .... Essentially, I want to connect one of these M5600 sensors to a RPI to use with a python script of ...
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1answer
642 views

Connecnting to TE M5600 bluetooth 4.0 pressure sensor

I am trying to connect TE connectivity M5600 wireless pressure sensor (http://www.te.com/usa-en/product-CAT-PTT0063.html) to Raspberry pi with no luck. The sensor is using Bluetooth 4.0. The sensor is ...
0
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1answer
854 views

Connect Bluetooth Mouse automatically

My Raspberry Pi works well and I can connect my bluetooth mouse without any problems BUT when the Pi is restarted the mouse has to be reconneted. The mouse is there under bluetooth but needs to ...
8
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1answer
32k views

Bluetooth import for Python Raspberry Pi 3

I have successfully connected my cell phone to the Raspberry Pi's onboard bluetooth. I know the Bluetooth works, but I cannot get import bluetooth to work properly. I get this error when I run the ...
2
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1answer
377 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 ...
0
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1answer
93 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 ...
2
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1answer
987 views

CWiiD doesn't detect wii remote but hcitool and blueman do

I have a raspberry pi 2 model B version 1 running raspbian that I am trying to get a Wii remote to work with. I have an Inateck Bluetooth 4.0 adapter plugged in to it and have CWiiD installed. When I ...
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0answers
24 views

HSP not displaying on Bluetooth Control When added in sdptools

I am currently configuring my raspberry PI to act as a bluetooth headset. I have been following this tutorial https://scribles.net/enabling-hands-free-profile-on-raspberry-pi-raspbian-stretch-by-using-...
4
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1answer
887 views

Setting up Bluetooth to Act as a Headset

Background: I'm working on a project to connect a Motorola XPR 7550e to a Raspberry Pi B3+ via Bluetooth. The idea behind it, is to run a NodeJS application that listens to the radio and transmits it ...
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0answers
130 views

bluetoothd: Failed to obtain handles for “Service Changed” characteristic

I can't manage to make my Pi 3 bluetooth working. As you can see I updated the /etc/systemd/system/bluetooth.target.wants/bluetooth.service file. But it doesn't seem to make the service working. $ ...
4
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0answers
3k views

Bluetooth repeater/bridge

I was wondering if somebody already tried to create some sort of Bluetooth repeater or bridge? I know they are not the same, but both systems should work for my needs. In detail, I am trying to ...
2
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2answers
3k views

Use Amazon Echo as speaker via Raspberry PI bluetooth

I am trying to use Amazon Echo as an speaker with Raspberry PI3. While it mostly works and I am able to pair and play audio files, the bluetooth connection gets dropped after 4-5 hours. I am ...
3
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1answer
46 views

Terrible sound quality when recording over bluetooth

I have paired a Jabra Talk 15 headset with a Raspberry Pi 3B (and PulseAudio). I can play sound through the headset well. When I record using arecord though, I get almost completely garbled audio. ...
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0answers
23 views

Connect Ípega to retropie via Bluetooth

I am trying to configure a Raspberry pi 3 with retropie. The base config is ok, and the emulators are working fine with USB controller (Dualshock 4). Now I want to connect a Bluetooth Joypad made for ...
2
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0answers
48 views

help getting ble-mesh (bluetooth mesh) working

I was hoping to get some help. I have been working on getting bluetooth mesh working on my raspberry pi 4 for a few days and feel I am hitting a brick wall. I am referring to this pdf that was ...
1
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1answer
68 views

Rpi 4b bluetooth does not show up

My bluetooth will not show up at the top right corner of the taskbar like it is supposed to. I have tried: -Adding multiple of them in the add/remove panel items, but none show up. -rm -r ~/.config/...
2
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2answers
5k views

Bluetooth Connection problem

I am trying to connect rpi3 bluetooth module with other devices but here I would like to ask your help connecting it. I have done so many different things and the problem rises after pair and trust ...
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0answers
14 views

Headless bluetooth pairing with PIN and making it non-discoverable after pairing

I have used simple-agent found on this link, I wanted to use my Raspberry Pi heedlessly, hence I have hardcoded a specific pin in the code, instead of returning the value entered on the Raspberry Pi ...
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0answers
25 views

RPi3 Bluetooth Tethering Setup

I'm trying to setup automatic Bluetooth Tethering without a GUI, and I can't find anything that works online. A lot of forums just end at the mention of "Blueman." The only way I could even find to ...
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0answers
260 views

Raspberry does not recognize bluetooth speaker as output

This seems to be a googleable question but it doesn't to me. I have a Raspberry Pi 4 Model B (RPI) installed Ubuntu 19.10 and a bluetooth speaker "Amazon Echo Plus First Generation" (I know it has ...
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0answers
370 views

“Hciuart.service dependency failed”, Timed out waiting for device /dev/serial1

I have the following problem: Since I wanted to use the integrated Bluetooth module on my Raspberry Pie 3 B+, I come across the following problem: Hciuart.service: Job hciuart.service/start failed ...

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