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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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16 views

l2ping bluetooth not timing out fast enough

I have been experimenting with pinging a list of known Bluetooth MAC addresses for a tracking project with a Pi 3, however, the ping does not seem to time out until after 5-7 seconds if there is no ...
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6 views

Changing volume with connected bluetooth phone

there. Since I recently just started on my first projekt with the Rpi, Iam a noob when it comes to figuring solutions out.. I successfully connected my iPhone with the Raspy (Model 3, B+) and it is ...
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14 views

Changing bluetooth class to act as a hands free device and car audio

Good morning folks, I have been using this tool to quickly configure my Pi2 as a bluetooth audio link to my camper van, it works brilliantly. My question is regarding changing the class of the ...
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15 views

Control Raspberry Pi from Xamarin [on hold]

Hello I am new to Raspberry Pi. I have a Raspberry Pi 3 running Windows 10 IoT. And I wanted to control LED from Xamarin App via Bluetooth. How could I do it ?
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10 views

Is it possible to pair with lge magic controller via bluetooth

I have a bluetooth smart tv controller, that is LG AN-MR500, I have been trying to connect it as a pointer for my raspbian system, I could connect it without pairing, But i couldn't make it work. ...
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0answers
32 views

Pi won't connect to HC-06 Bluetooth module

I’m really desperate for some help with an issue that’s been kicking my backside for days. To give some background - I have a Raspberry Pi 3B+. On it I have the latest RetroPie image (4.4). I’ve ...
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9 views

How to use bluetooth analog stick to controll motors?

I am trying to get the data from the ps4's analog stick through Bluetooth but its giving me a Errno 22 invalid argument. So I am wondering what to do or if there is a better way of doing this. My code ...
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13 views

Using the Raspberry Pi as a Bluetooth controller for DMX lighting? [on hold]

I would like to use a Raspberry Pi as a bluetooth controller for DMX device. Is it possible to do that? If so could anyone suggest some modules or share some code which is capable of doing that in ...
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1answer
32 views

RPi won't detect built-in BT adapter

My RPi 3 says no bluetooth adapter is detected and therefore won't let me connect to a device. The BT logo is greyed out instead of blue and running sudo systemctl status bluetooth it says the service ...
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21 views

Bluetooth Audio to Raspberry Pi Zero W as USB Mass Storage

My car audio system has only a USB Memory input without bluetooth. The audio system is able to read the content of the USB memory, find the folders (MP3 files) and show them on the screen. I was ...
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44 views

Raspberry Pi as a bluetooth audio sink - how to make it 5.1 capable?

My Raspberry Pi (Pi 1 model B) is connected to a 5.1 analog sound system through an USB sound card (Asus Xonar U7). I added a bluetooth dongle and bluealsa to the Pi to turn it into an audio device, ...
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1answer
23 views

What Bluetooth profiles does the Pi Zero W natively support?

I've started looking for tutorials for Pi's and Bluetooth, but I don't have any experience with Bluetooth and Linux, and it seems that the Bluetooth stack on Raspbian and/or Linux is not full featured ...
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14 views

bcm2835-aux-uart 3f215040.serial: unable to register 8250 port - -28

I've compiled LFS for my RPi3B. I've put BCM43430A1.hcd, brcmfmac43430-sdio.bin and brcmfmac43430-sdio.txt in /lib/firmware/brcm/. Copied /usr/src/linux/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b....
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20 views

Use Raspberry Pi as bluetooth keyboard

I'm wanting to do a project with a Raspberry Pi acting as a Bluetooth keyboard and/or mouse. The Pi would be connected to a touchscreen display, and I would have a virtual keyboard on the screen that ...
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0answers
11 views

Apple iAP 2 Bluetooth profile support on Raspberry Pi

I have an RPi 3 B+ model and I know it has a Bluetooth chip onboard. Then I have found that BlueZ Bluetooth protocol stack can be installed on it. But there's no Apple iAP 2 protocol support out of ...
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28 views

Raspberry Zero pi W connecting Bluetooth to IOS app

I would like to connect my raspberry Zero Pi W thanks to BLE technlogy to an app IOS that I want to develop. Actually my raspberry has an accelerometer and I want to send the data and elaborate it ...
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18 views

Multiple audio streams

For an arts project I'm trying to set up an audio system, where I think an RPi could come in, but am open to other suggestions. The project, quick overview: Twelve nodes, in a large circle (1-2 ...
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0answers
40 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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0answers
27 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/...
0
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0answers
43 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. The ...
1
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1answer
68 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
42 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/...
2
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1answer
60 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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0answers
25 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
37 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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49 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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0answers
22 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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2answers
33 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
49 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
29 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
8 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
32 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
257 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
48 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 ...
0
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0answers
25 views

Bluetooth and Android on Stretch

I'm using a Raspberry Pi 3+ with Stretch installed and updated. I'm trying to connect my Android phone to send and receive commands. After reading hundreds of articles about Bluetooth and Raspi ...
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0answers
91 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
27 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
18 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 ...
0
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1answer
142 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 ...
1
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1answer
31 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
118 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
64 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 ...
0
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1answer
169 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 ...
0
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0answers
93 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 ...
0
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1answer
155 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 ...
2
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2answers
105 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,...
2
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1answer
167 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
38 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 ...
0
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1answer
62 views

Report Raspberry Pi 3 bluetooth version via terminal

I want to verify my raspberry's Bluetooth module version. Is there a command through terminal that returns the Bluetooth version? According to the RPI's CYW43438 communication chip's datasheet the ...
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1answer
187 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 ...