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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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8 views

Bluetooth icon in system tray has zero width

The Bluetooth Icon in the system tray has zero width, making it invisible. It's still there between the Network Icon and the Speaker Icon because I can still click it and the menu pops up, but only if ...
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17 views

Raspberry Pi 3B+ Bluetooth undiscoverable on iPhone

I installed latest version of Raspbian Stretch with desktop (which comes with pre installed bluetooth). I turned the bluetooth on, and made it discoverable. At the same time I searched for available ...
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13 views

Is it possible for Raspberry Pi to update database on Android and Firebase/AWS through Bluetooth?

This is for a school project. The idea is that the Pi (with sensors) will collect data, and store them temporarily on the Pi. Once the Pi is paired via Bluetooth, it will send the data to the phone, ...
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22 views

Rpi3 Bluetooth hotspot continuously from iPhone

I'm new to Raspberry world, I received a pi3 model as a gift. I noted that there is a generalized problem when Wi-Fi and Bluetooth modules work at the same time, for example with a Bluetooth mouse/...
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29 views

Power management in Windows IOT

Because my project is in the field and not in a lab, power consumption is a significant issue. According to specification an idle Raspberry Pi 3B+ bare board has a current draw of 330mA. Long term ...
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0answers
31 views

Raspberry Pi 3 bluetooth stops working after a while

I use it to connect to a speaker (as a pulseaudio sink) dmesg | grep Blue shows the following: [ 14.034501] Bluetooth: Core ver 2.22 [ 14.034587] Bluetooth: HCI device and connection manager ...
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1answer
22 views

Trouble Connecting Bluetooth Keyboard After updating and upgrading Raspbian

I recently updated and upgraded my raspberry pi 3 b+, and now my Logitech keyboard K480 will not connect. It was working fine until this happened. I'm looking for any tips to see what I'm doing wrong/...
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0answers
29 views

Programming bluetooth module of RPi 3 B

I'm trying to scan the invironment of the Pi for active bluetooth devices. I'd like to have MACs, names and signal strength. Of course I can run bluetoothctl in the shell and then use scan on command ...
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10 views

Live video streaming over bluetooth

I'm currently making a little project, and i need my Raspberry Pi 3b to transmit an USB webcam stream trough Bluetooth to display to an Android smartphone or any other portable device (like another ...
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0answers
21 views

Raspberry Pi Audio Bridge

I would like to connect audio from a TV to be received into a Raspberry PI and then be transmitted via Bluetooth to a wireless Bluetooth speaker, is that possible? If so, how? Audio card?
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29 views

Trying to use Ethernet over Bluetooth between Pi boards

I'm trying to use SSH over Bluetooth via Ethernet over Blutooth. I've based my effort thus far on: Bluetooth PAN Network Setup with BlueZ 5.X I believe I have faithfully followed the instructions. ...
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20 views

Bluetooth Audio does not seem to work on Raspbian Strech

After installing Raspbian Strech from NOOBS_v3_0_0 on my Raspberry 3B I have observed that setting up Bluetooth is not a completely easy matter. Most helpful was the installation of the BT manager as ...
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14 views

sdp_connect always fails

I am running a sample code on RPI Zero W and it gets to the point where sdp_connect happens. Tried different samples, but they all fail on the same codeline: session = sdp_connect( BDADDR_ANY, ...
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0answers
15 views

Pi zero as bluetooth keyboard?

I am attempting to use a Pi as a bluetooth keyboard. There are several guides I have found for this, such as this on from impythonist. However, they seem to be outdated, and so far as I can tell ...
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0answers
27 views

RPi 3B+ won't discover PC on bluetooth

I am trying to connect my Windows 10 PC and RPi via Bluetooth, but my RPi doesn't show my PC as an available device. My PC also does not show my RPi as available. It is weird because my phone can ...
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0answers
7 views

Bluetooth speaker registers as keyboard

I have a small Bluetooth speaker that I was given that I want to use for a project with a Raspberry Pi Zero W. There is no model information on the speaker. I can connect to the speaker from my phone ...
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0answers
28 views

Relay Bluetooth keyboard out as a USB keyboard

I have a bluetooth keyboard that's originally connected to my desktop PC. The problem is that I can't use it in BIOS or to select different boot options at grub because the bluetooth drivers aren't ...
3
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2answers
243 views

Impact of using UART

I'm trying to understand the impact of using UART communication of the Raspberry's GPIO pins. So I'm reading the Raspberry UART documentation, but I'm not sure if I get everything right. It says: ...
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1answer
28 views

Raspberry Pi Bluetooth Transmitter

Is it possible to use the raspberry pi to transmit USB signal to another computer? I am wanting to plug a wired keyboard into a usb hub and transmit the signal to another computer to essentially make ...
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0answers
14 views

Bluetooth and Android on Stretch

I'm using a Raspi 3+ with Stretch installed and updated. Now I'm trying to connect my Android phone to send and receive commands. After reading hundreds of articels about Bluetooth and Raspi without a ...
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0answers
43 views

List of bluetoothctl : paired-devices is empty after a reboot

I can connect a device to my (headless, if it counts) Raspberry Pi 3B through Bluetooth protocol using the following steps : bluetoothctl and on this program, I run - agent on - default agent - ...
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0answers
25 views

Trying to use Bluetooth to connect to the network

I'm using the latest Raspbian OS (Linux raspberrypi 4.14.79-v7+ #1159) and using a RPi 3 board. Trying to construct a network interface ('ip address') that would allow me to connect to another Linux ...
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0answers
17 views

How to make buletooth beacon for android

I have tried to make a bluetooth beacon using Raspberry pi 3's inbuilt bluetooth module. I have followed this tutorial and this rpi_so thread. But I can not get any beacon signal from them to my ...
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1answer
92 views

No wifi or bluetooth on raspberry pi zero w

I have bought a raspberry pi zero w and performed the headless setup and used ssh to connect to my pc.But it does not detect the wifi interface and always gives 'No wireless interface found' when i ...
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1answer
25 views

Is there a way to connect to a Raspberry server with only bluetooth?

Let's say I installed an API on my raspberry pi (with Php, python, it doesn't matter). Is there a way for my Android phone to make direct requests on my API through Bluetooth ? (If my raspberry and my ...
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0answers
80 views

Android RPi bluetooth disconnects after pairing

I'm trying to set up some simple communication between my RPi 3B+ and my phone One Plus 3, but when I try to pair the RPi, it gets disconnected a few seconds after pairing, and disappears from "Paired ...
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0answers
40 views

Using Bluetooth to transfer data between two Pi's

I am using two Pi 3B+'s, one is a calculator without a screen, the other one is the human interface with a screen. I would like to command the calculator with the other Pi via Bluetooth. I am using ...
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1answer
79 views

Raspberry Pi 3B+ doesnt play audio via BT speaker

so I wanted to play audio via a bluetooth speaker. I tried it with my Phillips BTM3160 and my Creative iRoar Go. The Pi wouldn't even connect to the Phillips one and on the Creative it plays with the ...
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0answers
61 views

Add Bluetooth 5 to Pi3 B+

Are there already easy to add Bluetooth 5 chips for the Pi3 B+. I couldn't find anything but maybe someone here has done it before or has a clue how to add Bluetooth 5 capabilities? I want to increase ...
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1answer
101 views

How to boost bluetooth range?

I have had some success connecting to my Bluetooth devices but only when I'm in the same room as the Rpi. This limits the utility somewhat... I had hoped to be able to use them anywhere in my home. I ...
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2answers
92 views

Execute code when a known Bluetooth device is in range?

I am trying to execute a piece of code when a Bluetooth device is in range. What is the best way to do this? I have tried using 'hcitool scan' but that only produces a list of devices that are visable,...
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0answers
38 views

What is the best way to stream sound to a bluetooth speaker/headphone pi 3?

I would like to stream some audio via vlc to my bluetooth speaker. Pairing seems to work but I get no audio so far. I have looked at tons of examples but none seem to work. I don't use pulseaudio up ...
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1answer
95 views

Bluetooth low energy gatt services not found on Android

I'm running one of the Bluez examples on a raspberry pi 3 B+. Output from using bluetoothctl then running show shows that some GATT services are available: Name: raspberrypi Alias: raspberrypi Class:...
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1answer
33 views

Wi-Fi Frequency configuration question

I am trying to set my raspberry Pi's WiFi frequency to a fixed value. Is that possible through a command ? I also need to do the same thing for the embedded Bluetooth module of the raspberry. Is this ...
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1answer
47 views

Raspberry Pi 3 bluetooth version

I want to verify my raspberry's bluetooth module version. Is there some command through terminal that returns the Bluetooth version? Also, according to the RPI's CYW43438 communication chip's ...
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1answer
122 views

Raspberry Pi as bluetooth printer

I have a project where i need to setup the to appear to other devices as a Bluetooth printer. The reason is i have a portable device the prints only through bluetooth, it searches for available ...
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0answers
34 views

Wifi nor Bluetooth interface not found

Today i after long time falshed new retropie os and after some finding found out wifi and bluetooth is showing as not found i tried 3 fresh installs of retropie and now i tried raspbian desktop still ...
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0answers
32 views

Unable to connect bluetooth of windows 10 to raspberry pi

I have two devices: Windows 10 laptop Google pixel smartphone. I paired them both to my raspberry pi and manage to play audio from both devices. Still I have some issues with my laptop. While I ...
2
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1answer
445 views

How to stream sound to a bluetooth device from a raspberry pi zero

I have a raspberry pi zero W and I would like to stream sound over bluetooth to a bluetooth-enabled speaker / headphone. So how to achieve this with alsa?
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0answers
49 views

Using a Raspberry Pi Zero W to track location and steps data

I'm working on a project where I use a Raspberry Pi Zero W to track the location and calculate the number of steps the user takes. This is for a step tracking website/app I am working on where people ...
4
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1answer
183 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
85 views

How to access a homekit-accessory from raspberry pi 3

Maybe I realize in a second how stupid this question is...sorry in advance I am a bloody raspberry-novice. I have a raspberry pi (3B+) and an Eve Degree. I would like to connect the Degree to the ...
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1answer
53 views

Why can't one of my Rpis talk to bluetooth device

I have a Tilt hydrometer for homebrewing. I've been using this python script to talk to it from one of my Rpi 3B+ devices (running Raspbian stretch). I have a second device and am trying to mimic the ...
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0answers
165 views

Bluetooth on RPI 3B+ suddenly stopped working

A few months ago I set up A2DP with this tutorial. After some time the Bluetooth seems to have stopped working. Not because of the tutorial, but rather because of software issues with the Pi. Now, ...
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0answers
14 views

Trying configuring bluetooth apple keyboard A1314 with dongle

I'm trying to configuring this Apple Keyboard with usb dongle but i've still no success. This is the output of my tests: pi@retropie:~ $ bluetoothctl [NEW] Controller 00:1A:7D:DA:71:13 retropie [...
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1answer
200 views

Impossible to connect bluetooth mouse to rapsberry pi 3 b

I bought a bluetooth mouse (Logitech M590) hoping I could use it for both my Windows 10 laptop, and my Raspberry Pi 3 B. I've managed to connect it to Windows 10 without the dongle, but there is a ...
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0answers
32 views

Is Raspberry Pi 3 Model b bluetooth weaker than iPhone X's?

I'm using Switchbot at home to turn the lights on and off. There is an iOS app that does this via bluetooth. On the Pi there is homebridge and a switchbot host installed. When I use the app to switch ...
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1answer
19 views

Completely Cycle Bluetooth with shell command

I have a problem with Bluetooth not working at startup, in Rasbian Stretch on RPi Zero W. On the desktop toolbar, Bluetooth says it's enabled. But when I try to use it through the blueST-SDK API in a ...
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0answers
107 views

rfcomm service not working for bluetooth over serial

I'm trying to connect with a terminal to my raspberry pi over bluetooth, however with my current configuration (which is what I have found in numerous places online) when any device pairs and connects ...
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0answers
44 views

Setting up a serial connection via bluetooth

I have a GSM HAT module which I am trying to use as a remote sms receiver, which my RPI will connect to using bluetooth. The problem I am facing is setting up a serial connection via bluetooth. Out ...