All Questions
Tagged with bluetooth-gatt bluetooth
193
questions
0
votes
1
answer
34
views
GATTTool fails to read characteristics/attribute for Heart Beat data
I'm trying to read the heart rate data from my Xiaomi Mi Band 8 using BlueZ's gatttool. The heart rate data is found in the characteristic with UUID 0x2a37, which has the property NOTIFY.
However, ...
- 3
2
votes
1
answer
37
views
What has to be sent as Bluetooth LE indication acknowledgement
My application uses the TI Bluetopia stack. This stack runs in user space and uses the HCI without and kernel driver.
The peripherial device sends the data by indication. But after a few data sets the ...
- 2,737
1
vote
0
answers
26
views
Identical phones with identical app and identical setup; one can find bluetooth devices the other cannot
I have several smartphones of the same model. Five of them I have been using for testing and building an app. Now I have to deploy the app the the other smartphones I have had laying in a drawer. ...
- 13
0
votes
0
answers
63
views
Bluetooth Rapid Disconnection for BLE device when pairing it with One Plus Nord Android Version 12
I have a smart ring BLE device, which I pair with android app and perform communication with it.
To perform communication various command need to send at various characteristic to recieve data. This ...
- 117
0
votes
0
answers
20
views
Arduino BLE and website communication issues; SerialCharacteristic not changing?
For a group project I was trying to use the Arduino BLE to connect to my computer, which would be connected to a website that would then return an appropriate value to the Arduino BLE. The issue ...
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0
answers
43
views
BLE Peripheral disconnection after sending a command in some Android phones
I am working on an android project which works with a smart ring using bluetooth. The problem is app and ring are working fine 95% of the Android phones. But in 5% of the phones getting disconnection ...
1
vote
1
answer
145
views
Flutter app can't discover certain peripherals with IOS/Swift's BluetoothCore lib
I'm working on a Flutter App, and I'm writing some platform code in Swift to be able to connect to both Bluetooth Classic and BLE devices.
Flutter packages are unfortunately targeted at BLE.
As of ...
0
votes
0
answers
20
views
Sensortile.boxpro Bluetooth
I'm using a STEVAL-MKBOXPRO connected to an RPi3B+ to receive data via Bluetooth.
The BLESensors code is integrated into Sensortile.
I've tried two approaches and for now I'm stuck:
Using the ...
-1
votes
2
answers
228
views
How to deal with BlueZ bluetooth instability? [closed]
Background
My team has been trying to implement a bluetooth LE 'api' for a while now. We decided on BLE over legacy Bluetooth due to iOS (one of our client device types) blocking legacy BT for anyone ...
- 368
2
votes
0
answers
141
views
Web Bluetooth API cannot find my device (Google Pixel 7 phone)
I am testing web bluetooth API from chrome.
I understood that web bluetooth API support for chrome and BLE devices.
My device bluetooth version is 5.2 ,android version is 13 and I am using window 10. ...
0
votes
0
answers
15
views
Receive simultaneous notifications for multiple characteristics from a single server
I am trying to reproduce an Android app project without much Android development or Bluetooth experience. In the code, the original author collected data from two characteristics (coming from a single ...
- 1
1
vote
0
answers
33
views
Parsing H4 'Set Volume' Packet - Unable To Figure Out Volume Bytes
I'm in the process of reverse engineering the Creative Soundblaster G3 (Bluetooth controlled USB DAC) to have more/better control of the volume & EQ as well as external integration into apps. I've ...
- 1,997
1
vote
0
answers
590
views
Android 14 Service Discovery Issue
I have a .jar library that I am using in another project.
Something has changed between Android 13 and Android 14 that is causing this issue.
In my library I scan for and connect to a BLE device.
...
- 1,083
0
votes
1
answer
676
views
Raspberry Pi Bluetooth: Enable legacy pairing / connection without PIN input
For a few days I'm desperately trying to configure Bluetooth legacy pairing on my Raspberry Pi. Unfortunately I hadn't had any success until today. I tried countless tutorials/posts on several forums ...
- 25
1
vote
0
answers
112
views
How the execute flag inside onExecuteWrite callback method is set to true in BluetoothGattServer Class
I'm trying to send an image data from my client BLE app to my peripheral BLE app. I'm trying to do this by splitting the image data and send it over by multiple gatt.writeCharacteristic() calls from ...
- 61