Questions tagged [bluetooth]

For questions pertaining to Bluetooth setup, usage and troubleshooting on the Raspberry Pi, whether onboard or via a USB dongle.

296 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
0
votes
0answers
65 views

Creating device driver which feeds GPS Co-ordinates from phone to raspberry pi

I don't have GPS module, so I was thinking whether I can feed GPS coordinates from my android/ios phone to raspberry pi over wireless protocol like bluetooth/TCPIP. Can I create a virtual device ...
0
votes
0answers
100 views

2 USB Sound Cards in Raspberry Pi

I have a pair of Alesis Active Monitors which have a USB input and it's a pain connecting devices to it so I felt using a Rasberry Pi with bluetooth and audio ins to allow for multiple connections ...
0
votes
0answers
819 views

hcitool does not find devices despite GUI showing multiple

I'm trying to better understand C (and bluetooth) using a Raspberry Pi 3 b+ as the testing grounds. I started by writing a C program that uses BlueZ to scan for bluetooth devices (script pretty common ...
0
votes
1answer
960 views

Problem with auto pair a Bluetooth device

https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/test/simple-agent I tried the Above Python script but getting a dialogue box 'Pairing Requested'. How to remove that dialogue box?
0
votes
0answers
1k 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 ...
0
votes
0answers
1k 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 ...
0
votes
0answers
343 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
votes
0answers
144 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 ...
0
votes
0answers
1k 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 ...
0
votes
0answers
36 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 ...
0
votes
0answers
189 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 ...
0
votes
0answers
5k 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 - ...
0
votes
1answer
1k 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
votes
0answers
240 views

How to troubleshoot a permanently blinking green light on a Pi3b?

The green light on a Pi3b is blinking permanently, even after bootup. It outputs two flashes at a time for as long as the power is on. Is this normal? If not, how do I troubleshoot this? Background ...
0
votes
1answer
2k views

MPD with Bluetooth

Is it possible to run MPD with bluetooth in the Pi? Currently many guides which I have seen are mostly utilizing Upnp/Wifi setup to run. Now this is fine if there was only Apple devices. Since ...
0
votes
2answers
1k 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 ...
0
votes
0answers
627 views

Linux obexd server utility OPUSH file receive

Using sdptool, I have added the OPUSH and FTP profiles against my bluetooth stack on Linux (yocto Linux to be precise). Given below are my profiles: Service Name: OBEX Object Push Service RecHandle: ...
0
votes
0answers
47 views

How do I make bluetooth work on the Raspberry Pi3 after disable for serial gpio?

I use serial gpio before but now want to use back the bluetooth function.How do I make bluetooth work on the Raspberry Pi3 after disable for serial gpio?
0
votes
1answer
320 views

Problem installing Bluetooth Dongle on Raspberry Pi 3 running Windows 10 IOT Core

I recently bought the plugable Bluetooth USB adapter usb-bt4le and I want to use it with my RPi3. I have windows 10 core IoT installed on the RPi. I have disabled the on-board bluetooth and I wish to ...
0
votes
1answer
1k views

Is there an easy way to switch from hdmi to bluetooth audio seemlessly in raspberry pi?

I'm on raspbian stretch, I had an android tv box that broke down so I used a raspberry pi 3 I had around for uni to replace it. In the android tv box, if I connected a bluetooth headset, it would ...
0
votes
0answers
2k views

Raspberry Pi zero W (headless) bluetooth audio setup problem

I want to run a Python3 script with a text to speach engine called pyttsx3 to read some text via bluetooth.Unfortunally it does´t work. So what I have done is this: First I have setted up a new ...
0
votes
1answer
95 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 ...
0
votes
1answer
4k views

Bluetooth sink has no audio

I found other questions similar to mine but without a working answer. On RPi3 with Raspbian Stretch I'm trying to connect to a Bluetooth speaker. It connects but I have no audio output. pi@rpi(rw):~$ ...
0
votes
1answer
157 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 ...
0
votes
3answers
1k views

Python Script that handles Bluetooth doesn't work when loaded on startup

Background I am using my Raspberry Pi B+ to control a 32x32 LED matrix and I am trying to send commands from an Android app to my Pi over bluetooth to display text on the LED matrix. I am using ...
0
votes
0answers
301 views

Unable to lower the raspberry pi Bluetooth transmission power

I'm trying to turn my raspberry to an iBeacon but I cannot make it transmit with lower power, I've changed Tx power many times, when I use my BLE scanner I see that Tx power has changed but RSSI hasn'...
0
votes
1answer
847 views

TI sensortag cc2650 connection with Raspberry Pi

I have problem with connection between Rasberry Pi 3 and TI sensortag CC2650. As soon as I power on raspberry, sensortag shuts down, and I can not see him, either from raspberry or from mobile ...
0
votes
1answer
3k views

Scan Distance from Eddystone Beacons

I would like to read an Eddystone Beacon using my Raspberry Pi 3 to calculate distance from the beacon. I can't find any resources to do this from the official Eddystone documentation. How should I go ...
0
votes
0answers
131 views

Wii Nunchuk as an IR wireless remote

I am building a smart Mirror and I need to find a way to interface a Wii Nunchuk, with the 'c' button removed and replaced with an IR LED to track the cursor and a small Arduino board to capure the ...
0
votes
0answers
319 views

use gsm as keyboard for raspberry pi via bluetooth

I want ro use my phone to connect to my raspberry pi 3 via bluetooth. Now I don't know how, but that is not my question. I want to use my phone keyboard (just the keyboard) as a wireless keyboard for ...
0
votes
1answer
214 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,...
0
votes
1answer
2k views

cheap temperature sensors with bluetooth

I have a PI and I need to develop an application to sense between 8 to 16 temperature sensors. BMP180 and a multiplexer have been a PITA and I havent been able to make it work. Is there any other way ...
0
votes
0answers
64 views

Python script runs in RPi 2 but not RPi 3

I used the code provided in this tutorial and successfully ran it on the RPi 2 but when I follow the same steps on the RPi 3 it won't work. The shell just says: >>>=====RESTART===== >>&...
0
votes
0answers
143 views

Zeemote js1 connection

How do I connect a Zeemote js1 to a raspi and have it control an emulator? Picture:
0
votes
1answer
2k views

USB Bluetooth dongle loses its “PSCAN” state when connected via Bluetooth serial port

I have a CSR 4.0 Bluetooth dongle on my Raspberry Pi. When Raspbian starts, hciconfig shows that the state of hci0 is "UP RUNNING PSCAN". However, every time I connect to the Pi's Bluetooth serial ...
0
votes
1answer
700 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 ...
0
votes
2answers
2k views

play audio stream when bluetooth connects

I have a Raspberry Pi Zero W and want it to use as an Internet Radio. So I wrote a Python script that connects to my bluetooth speaker and starts a stream. Everything works fine, but i always need to ...
-1
votes
1answer
28 views

Raspberrypi4B: Unable to establish a BLE connection between RPi4B and Ubuntu Laptop

I am unable to establish an ble connection between my Raspberrypi4B and Laptop. Configuration is as below: Laptop: Ubuntu-20.04.2 LTS, bluez version: 5.53 Raspberrypi4B: Ubuntu-21.04 bluez version: 5....
-1
votes
1answer
127 views

Constant dhcpcd errors: eth0: authentication failed from IP address: No such file or directory

My syslog is full of these errors: Feb 14 13:24:50 raspberrypi dhcpcd[564]: eth0: authentication failed from aa11::1111:aaaa:aa11:a1a1: No such file or directory Feb 14 13:25:54 raspberrypi dhcpcd[564]...
-1
votes
1answer
4k 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 ) ...
-1
votes
1answer
3k views

Connecting to bluetooth speakers headlessly

Background: I have a Pi Zero that I want to send music to my bluetooth speakers. This works nicely when I have a monitor and can use bluetoothctl to pair and trust my speakers and the volume-adjuster'...
-1
votes
2answers
155 views

Controlling a geographically mobile Pi 3 (using iPhone 6S)

I've had a look around and I can't find anyone with a similar setup to what I'm looking for, maybe someone here can help? I want a Pi3 that I can carry with me and control from my phone (terminal ...
-1
votes
2answers
565 views

Send uart commands through bluetooth

I bought a raspberry pi 3. I ordered the Move controller it's a Kickstarter project. They use the phone to send uart commands through Bluetooth and they put a Dev documentation online. What I fail ...
-1
votes
1answer
2k views

bdaddr is not changing my Bluetooth MAC address

I have compiled bdaddr on Raspberry Pi 3 B+. I get Address changed - Device reset successfully. but it does not change the address. Is the Broadcom chip incompatible? If so, what are my options ...
-2
votes
0answers
25 views

How do I communicate with a Bluetooth transmitter with Python?

So I am working on a project where I have two streams of data flowing into a Raspberry Pi. I'm using an external USB mic to pick up noise in a given area and a Bluetooth transmitter to receive the ...
-2
votes
1answer
84 views

I don't know about bluetooth output via 3.5mm jack

I am using Raspberry pi 3 in project. I have a smartphone and Raspberry pi connected via Bluetooth, and I want to listen to music and calls(HFP) through a 3.5mm jack. However, the music plays well,...

1 2 3 4 5
6