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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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11 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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420 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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1answer
2k views

How to connect a bluetooth device from the command line

I have a headless raspberry pi (it's networked but not plugged into any keyboard or monitor). I've previously used it to play music through a wired speaker plugged into the headphone socket. I was ...
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28 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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1answer
770 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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18 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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1answer
475 views

Rasberry Pi zero and 3 bluetooth transfer speed is slow RFCOMM

I am trying to send a series of bytes from the Raspberry Pi zero W to the Raspberry pi 3 via bluetooth. Im using the PyBluez python package. I believe that Raspberry Pi Zero has Bluetooth 4.1 and ...
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1answer
3k views

Raspberry Pi 3 Bluetooth No Controller

Hi I want to use the BLE on my raspberry pi 3 Jessie. But I'm not able to get it working. Bluetooth is loaded, active and running $sudo su $apt-get update $apt-get install bluetooth bluez blueman $...
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8k views

Bluetooth MAC Address Raspberry Pi 3

I'm trying to connect two raspberry pi 3 betweem them via bluetooth. But the fact is that their MAC addresses are AA:AA:AA:AA:AA:AA Does anyone knows how to assign them a real mac address in order ...
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1answer
5k views

How to Decode TPMS Sensor data through RPi3 Bluetooth

I'm working with a Bluetooth TPMS Sensor (TP630). Here I have some important information about the sensor: Description: ➤ Bluetooth Transmit Power: 0dbm MAX ➤ Processor: 8-bit MCU / S08 core, ARM ...
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21 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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28 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
63 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
151 views

Bluetooth Blues

I've discovered again that cursing and swearing at inanimate objects doesn't actually improve things, so I'll try posting a question. A couple of months ago I attempted a fairly ambitious project (...
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1answer
44 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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2answers
24 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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1answer
257 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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2answers
643 views

Off grid communication

Over the last couple of weeks, I’ve become interested in off-grid communication, and I am currently looking into creating a simple communication protocol wherein multiple raspberry pi’s are able to ...
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1answer
323 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 ...
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1answer
110 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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1answer
72 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 ...
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1answer
409 views

How to set up the Edimax EW-7611ULB combo Bluetooth WIFI dongle

Although, this dongle works (for awhile), there is a problem with the bluetooth driver. After streaming for about an hour, the driver eats up all the Pi memory and the Pi stops responding. Power ...
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1answer
57 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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1answer
76 views

How can I get the set attribute of each “device” in an array

What I am wondering is how I can loop through paired_devices and get the "name" attribute for each device. This is only a short amount of the code, if more is needed, feel free to comment below. def ...
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1answer
840 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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1answer
504 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 ...
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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 ...
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0answers
44 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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1answer
1k 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
19 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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1answer
167 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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1answer
173 views

Wifi Speakers like bluetooth speakers using raspberry pi 3b+

So basically I was able to use my raspberry pi as a bluetooth audio out device that is, connecting a speaker via audio jack I'm able to make it a Bluetooth speaker. I'm wondering if there's a specific ...
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1answer
126 views

Freeze caused by bluetooth and webcam

My web app has a webcam running using ng-camera(based on webcam.js), and a separate bluetooth sniffer running on node js on the background. After several minutes running, the app and raspberry pi will ...
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1answer
384 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
33 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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0answers
18 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 ...
7
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3answers
12k views

SSH over Bluetooth with iOS

Is it possible to connect to a Pi3, over Bluetooth for SSH, for iOS? I know you can connect to it with BlueZ, and SSH is possible over wifi, but I can't find anything about doing both. The advantage ...
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1answer
175 views

Can I use an old bluetooth dongle with a model 2B?

$hciconfig -a ... ... ... HCI Version: 2.1 (0x4) Revision: 0x529b Does anyone know if this hardware is incompatible? I got some old bluetooth dongles from work and found my old rpi, it's a model 2 B....
2
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1answer
5k views

RPi-bluetooth headless communication with android phone - no pairing

I am in the middle of a project, where I want to use the integrated bluetooth device on a Raspberry Pi 3 running Jessie and an Android phone to communicate with each other. It is important to notice ...
8
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4answers
49k views

RetroPie & PS3 Controller over Bluetooth

I've got a Raspberry Pie 3 (w/ built-in BT), and RetroPie 4.0.2 is installed and working on it. I've got 2 brand new PS3 controllers (I do not own a PS3) and they work with the RetroPie over the USB ...
0
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1answer
51 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
54 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-...
0
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2answers
599 views

Unable to change Bluetooth Service Class

I've tested this over various Raspberry Pi's(Pi Zero and Pi 2) and different versions of Raspbian lite(Latest to oldest version from 2015) and different versions of BlueZ (5.23, 5.43, 5.49). I have ...
0
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1answer
869 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 ...
7
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3answers
44k views

bluetoothctl fails to connect to any device [[ Failed to connect: org.bluez.Error.Failed ]]

When trying to connect a new device through the Raspberry Pi I take the following steps without success. I can re-pair as many times as I want with any device, but I can never connect. Other devices ...
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1answer
161 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 ...
1
vote
1answer
386 views

Bluetooth Connecting two devices

I am trying to set up bluetooth so that I can play music from both my phone and my computer in alternation (ie, if I want to go in the other room on a call where the phone stops playing, i can switch ...
2
votes
1answer
311 views

How to programmatically check bluetooth speaker is connected to rpi3?

I am trying to detect if my bluetooth speaker is connected to my rpi3 with my python code, executing this command status = subprocess.call('ls /dev/input/event0 2>/dev/null', shell=True) if the ...
0
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1answer
966 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 ...
0
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1answer
197 views

Can't connect to bluetooth switch

I have a Pi3 running Jessie and I'm trying to connect to this plug, https://www.amazon.com/gp/product/B00PG50OSM/ref=od_aui_detailpages00?ie=UTF8&psc=1. I've been able to pair and trust the device,...