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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5 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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1answer
2k views

Raspberry PI 3B. Wifi and bluetooth shared antenna?

I'm working on a project that involves WiFi and BLE, and for this I would like to use an esp32 due to its lower price, but there will be timing issues since the wifi and Bluetooth antenna are shared. ...
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27 views

Failed to start Bluetooth Service

Could someone help me to rectify this error? pi@raspberrypi:~ $ sudo service bluetooth status ● bluetooth.service - Bluetooth service Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled;...
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23 views

Raspberry Pi Bluetooth MAC address storage

I'm looking at using a Raspberry Pi 4B for some Bluetooth testing. It appears to use the same CYW43455 chipset as the 3B, with support for reprogramming of the Bluetooth MAC address, which would be ...
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1answer
45 views

Reverse Tether: Sharing Raspberry pi's Internet connection to Android via Bluetooth or USB

I've seen a bunch of stuff where a phone provides internet to pi, but I was wondering the feasibility of the other way around, where the pi is connected via Bluetooth (or USB) to an android device ...
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11 views

What Bluetoothctl agents are there?

Due to some bluetooth connection issues I've been having connecting some raspberry pis via bluetooth (just for context), I've been looking into different bluetooth agents I could use. There are a few ...
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15 views

ALSA lib bluealsa-pcm.c:219:(io_thread) PCM FIFO write error: Broken pipe aplay: pcm_write:2053: write error: No such device

Bluetooth Error Device: Rpi 2 2014 Model B Ver 1.1 also Rpi 3 Bluetooth Headset JBL Everest Elite 750NC Bluetooth Adapter Panda Wireless PBU20 command line: aplay -D bluealsa:DEV=C8:DF:84:20:...
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22 views

Is there anyway to make Logitech Flow (move between individual pc's) work on a Raspberry Pi?

Basically, I just bought this mid-range mouse that I am trying to take full-advantage of. One of the many features is "Logitech Flow". Essentially you can hook multiple computers together and move the ...
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38 views

How can I automate a command at boot with a Kali Linux distribution?

I am following this guide to connect to a Raspberry Pi with Bluetooth and I would like the Pi to execute the following command at boot. screen sudo rfcomm watch /dev/rfcomm0 1 /sbin/agetty rfcomm0 ...
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39 views

How can I control a Raspberry Pi over Bluetooth with an Android Smartphone?

I am looking for ways fo control a RPI with Kali Linux over Bluetooth. I would like to be able to turn on the RPI and connect to it via Bluetooth without using a screen, a keyboard and a mouse. I ...
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16 views

Custom Dualshock 4 Script/Program

I've got a Pi 3b that I originally planned to be a dedicated Steam Link. I already followed these instructions to set up a DS4 controller to control it, and it's working just fine so far: https://...
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1answer
50 views

bluealsa: Couldn't acquire D-Bus name: org.bluealsa

Trying to use my Raspberry Pi 4 as an A2DP Bluetooth sink using bluealsa. As reading the documentation of bluealsa: It will register org.bluealsa service in the D-Bus system bus, which can be used ...
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88 views

Issue connecting to my Airpods from Pi 4

I am a newbie and recently purchased Pi4 Vilros Edition. Was just exploring my Pi4 and tried to connect my Airpods to it. It shows up in the bluetooth devices, but it wouldnt pair or connect. I get ...
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1answer
43 views

Duplex communication via bluetooth - in C++ code [closed]

I have a working C++ code , partially converted to class, passing single (text char ) message form client (Rpi) to server (PC). I have used a composite ( fancy work for hack ) of many C/C++ code ...
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19 views

How do I get a list of only bluetooth audio devices?

I'm currently using pexpect in python to use bluetoothctl. I can get a list of all bluetooth devices, but is there a way to narrow down the list to only audio devices (bluetooth speakers, headphones). ...
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41 views

Problems Connecting to Bluetooth devices through python

I am trying to write a simple python script that connects any bluetooth audio device to the raspberry pi 4. I keep getting "bluetooth.btcommon.BluetoothError: (111, 'Connection refused')" Here is ...
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1answer
47 views

Bluetooth camera button key input data with Python Pynput?

I have a Raspberry Pi 3b+ setup that controls a robot. I am looking to control it using a small wireless bluetooth button. After much research I was able to get this button connected https://www....
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1answer
20 views

Bluetooth on a read-only system

Oi, I am trying to say hello here... why are you deleting my "Hello all"... Anyway, as the title suggests, I need some help with bluetooth on a read only system. After some playing around and ...
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95 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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272 views

Does the Raspberry Pi 4 speaks Bluetooth aptX-HD?

I'd like to use a RPi 4 as a bluetooth audio receiver. For optimal sound quality I'd like to transmit the audio using Bluetooth aptX-HD. Can the built-in bluetooth receiver from the RPi 4 receive that?...
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34 views

Mapping Bluetooth Device

I have been able to successfully map a USB controller with Raspberry Pi 4 using this tutorial: https://core-electronics.com.au/tutorials/using-usb-and-bluetooth-controllers-with-python.html I'm now ...
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1answer
31 views

Separate video audio output two Raspberry Pis

I own a projector which is obviously on the opposite site of the room than the audio system. I'd like to keep everything cableless, so one RPI is connected to the audio system, the other one to the ...
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18 views

set PAN network on raspberrypi with ubuntu OS

First of all sorry for my English. I am trying to set a pan network in ubuntu OS on raspberry pi 4B+. I have used the below guide to set up the PAN. https://raspberrypi.stackexchange.com/a/71587 But,...
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0answers
18 views

Using a Raspberry Pi as a bluetooth “switcher”

I like to use a bluetooth headset with multiple devices, but it only connects to one at a time. I want to remove that hassle of always disabling then reenabling bluetooth on my devices. What I am ...
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0answers
63 views

Connect with VNC to RPI 3B+ via Bluetooth

I want to do VNC via Bluetooth between my Raspberry pi 3b+ and an android phone. Some forums say that bluetooth technology is so slow to connect VNC via a DUN network, but I was doing some research ...
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24 views

Separtate controling bluetooth audio input & USB microphone input via Processing

Hi I've trying to solve this more then 3 weeks. Now...i can't solve it myself :( I want to made audio spectrum which can support microphone input and bluetooth(android) input. ※Environment ...
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55 views

unable to connect DREVO bluetooth keyboard to RPi3

I'm trying to connect a DREVO Bluetooth keyboard to the RPi3 B rev2 running Raspbian 9. With the keyboard in pairing mode, I am able to use the Bluetooth menu, scan and find the device to add, and a ...
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59 views

Pi zero w BLE connection disconnects

I have some strange problem with connection between raspberry pi zero w and BLE device (electric scooter). When I try connect to ble device via bluetoothctl service it connects properly but ...
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44 views

How to make it run without internet connection? - what part of code keeps it from running?

My RBPi zero has a spotty reception close to the door where it keeps monitoring registered phones on bluetooth and trigger the door opener. What are the options to make it work without/irregular wifi ...
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23 views

Can't find my android phone via bluetoothctl scan on

I am currently working on a project that fetches the RSSI of my Samsung Galaxy S8 phone via bluetooth on a Raspberry Pi Zero W. I am running Raspbian and have successfully found other devices via ...
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34 views

Why do my servos only work the first time

I Posted earlier about having problems with my servos that you guys helped me with and I'm really grateful for that. Now I'm facing an other issue with the servos: I have put them on my "robot" that ...
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66 views

Bluetooth hci0 device suddenly missing on 4B+

After a recent reboot of my 4B+ I noticed that my bluetooth connections had stopped working. I noticed that bluetoothctl reported no device, and further that sudo hciconfig hci0 up indicates Can't get ...
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25 views

How to make more efficient reading of GPIO

My (python) program (on Raspberry Pi zero W) turns on/off a GPIO pin (connected to a relay module) depending on the RSSI signal of my phone (connected via bluetooth) and the status of one more GPIO ...
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0answers
77 views

Raspberry Pi Bluetooth/6lowpan to WiFi IPv6 Router. Ping6 Not working

I want to route data between BT/6lowpan interface and wifi interface on a Raspberry Pi platform. Done all the setup as described below. But the Ping6 from Bluetooth (bt0) to Wifi (wlan0) not working. ...
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1answer
123 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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2answers
26 views

How can I connect 2+ Rpis outside of a wireless net

I’m building an AI powered robotic car which needs multiple Pi, one driving, one sensing, one learning etc. The individual boards need to talk to each other, most likely using MQTT, outside of a ...
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0answers
80 views

Connect mobile phone/app to Pi Zero W via Bluetooth

Is there any easy way to connect my android (later ios too) device to my pi zero w via Bluetooth? I'm looking for a way to send data to my mobile phone without using Wifi. edit: I want to write an ...
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239 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 ...
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36 views

Pairing Rpi and windows PC for bluetooth over serial

I am currently working rpi 3B+ and windows system. thing is I want to use bluetooth over serial to windows PC. Before that happens RPI and Windows must be paired first, that is not happening at the ...
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1answer
46 views

Raspberry discoverable and pairable without pin keep disconnecting

I want to send bytes to my raspberry pi 3 through bluetooth with an application on my smartphone. Bluetoothctl works fine, pairable, discoverable, agent NoInputNoOutput all work. However, my phone ...
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1answer
98 views

Is it possible to log any discoverable Bluetooth/BLE via headless pi?

Has anyone built a bluetooth/BLE sniffer that runs headless and logs MAC addresses of all discoverable BT/BLE devices? What resources did you use? I've found a tutorial on Adafruit, https://learn....
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2answers
83 views

Setting up a shell script to run at boot with sudo permission

I had issue with BLE Connection which would drop after certain time which I solved using solution from this post: https://unix.stackexchange.com/questions/288978/how-to-configure-a-connection-...
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0answers
23 views

Bluetooth not founded - Raspberry Pi 3 B + connection with IoS devices

What is the procedure to enable Raspberry Pi 3 B+ for send and receive data with IoS Devices? I developed an application, that enables the raspberry bluetooth to receive network configurations and ...
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1answer
649 views

Bluetooth headset paired and connected, but can't be selected as audio output

I'm stuck getting a pretty standard A2DP Bluetooth headset to work with Raspbian Buster on an RPi 4. I successfully paired it with the RPi and can connect it via the GUI, and the buttons on the ...
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0answers
25 views

What is this prompt saying about bluetooth?

I tried to fix some problems with the bluetooth and uninstall pi-bluetooth. Also installed it .But the problems are bigger now. What is this prompt saying.
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1answer
314 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
130 views

How to make wireless or bluetooth microphone work on raspberry 4

I'm running raspbian-buster on raspberry 4. I need to make wireless or Bluetooth microphone work. It's a production base project. I've tried with common headset which used for cellphones.But it's ...
0
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1answer
499 views

Bluetooth service being skipped

I'm attempting to use a HC-06 bluetooth module on a raspberry pi zero (not w). I have it wired correctly and have used it before on older versions of raspbian, but I decided to update to the lastest ...
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0answers
58 views

connecting raspberry pi to android tablet over bluetooth

I am familiar with this and this. I am trying to send a message from raspberry pi terminal to an android app. I am on Raspbian Stretch headless (NO gui) Now, I am doing : sudo bluetoothctl power ...
5
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1answer
89 views

Is it possible to configure a Raspberry Pi 3 to become a Bluetooth adapter for a desktop PC?

Stupid question, but I've been looking everywhere. I want to configure my Raspberry Pi 3 so that it can basically serve as a bluetooth adapter for my desktop pc. Is this possible, or does it only work ...