Questions tagged [bluetooth]
For questions pertaining to Bluetooth setup, usage and troubleshooting on the Raspberry Pi, whether onboard or via a USB dongle.
804
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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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1
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81
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Bluetooth sound off
after upgrading to debian 10, have encountered problems with the sound transmitted to my bluetooth headphones. The pairing between the RPI and the headphones is done, once from the audio menu I ...
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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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401
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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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577
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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 ...
- 121
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0
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261
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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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333
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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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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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1
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2k
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How to restart/release rfcomm for bluetooth communication?
I am trying to connect raspberry pi to my galaxy note to use it for serial communication. I have somewhat succeeded at that.
First I paired it and trusted through bluetoothctl. Then I run sudo rfcomm ...
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27
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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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How to set up bluetooth broadcasting on a pi 3 b v1.2
um new to working with bluetooth on linux or on a raspberry pi but i have managed to set up the controllers.
What i want to accomplish now is using python to connect or broadcast my raspberry pi as a ...
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271
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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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1
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175
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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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1
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199
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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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324
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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 ...
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1
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Host Web Server on Raspberry PI via Bluetooth PAN
I don't often post on forums like this, but when I do, there's always someone in the comments telling me I violated some practice of forum posting and I never get a legitimate answer, so I figured I'd ...
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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/...
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0
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90
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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 ...
- 111
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2k
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"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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0
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77
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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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12
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1
answer
3k
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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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1k
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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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208
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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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1
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961
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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 ...
- 11
3
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1
answer
4k
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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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182
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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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0
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0
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356
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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 ...
- 19
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0
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387
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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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1
answer
4k
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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 ...
0
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0
answers
4k
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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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0
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1
answer
775
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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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2
answers
859
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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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1
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3k
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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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1
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500
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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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1
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248
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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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0
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695
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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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0
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1
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4k
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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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261
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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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2
votes
1
answer
126
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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 ...
- 123
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0
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901
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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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284
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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 ...
- 101
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0
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625
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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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75
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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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0
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233
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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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60
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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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2k
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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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92
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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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0
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374
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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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0
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1
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2k
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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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2
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42
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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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