Questions tagged [bluetooth-lowenergy]
Bluetooth Low Energy ("BLE") is a radio standard developed in 2006 and integrated in Bluetooth 4.0 in December 2009. Formerly marketed as Bluetooth Smart.
bluetooth-lowenergy
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Android 14 BLE - WRITE_TYPE_DEFAULT vs WRITE_TYPE_NO_RESPONSE
My Android and iOS app (react native based) uses BLE to connect to a custom esp32-based peripheral. It's been working fine for years, but starting with Android 14 some features are not working.
In ...
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bluetooth low energy scan not finding my raspberry pi
I created app that scan for ble devices but when I started the scan the app didn't find my rpi.
anyone know why and what can I do to fix it? it looks like rpi doesnt support ble so what can I do to ...
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IBeacon data in MAUI application [closed]
I'm searching for a package that can read some data (major,minor and mac address) from beacons (via bluetooth/bluetooth LE) but I'm not able to find anything... must work on iOS and android (no need ...
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find characteristics of BLE barcode scanners [closed]
I am developing a .NET MAUI app that receives barcodes from an external barcode scanner in Bluetooth Low Energy (BLE) mode. Using the NuGet package Plugin.BLE, my app can now discover BLE devices, ...
- 883
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ESP32 and Arduino Capabilities [closed]
I am wondering generally how an esp32 BLE module (linked here)functions and if it is a practical module to use in my project. I understand the proximity accuracy is far from perfect but bluetooth/wifi ...
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AT+PASSKEY in BLE 5.0 . How to set and use?
I would like to use the EBYTE E104-BT52 module on my device and connect to it via an Android smartphone.
But what if the client device is running BLE 4.2 and it will be unsecure pairing.
To avoid this ...
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PWA uses navigator.bluetooth.requestDevice but is failing
I have developed a PWA where I use navigator.bluetooth.requestDevice to get a list of available devices around the phone. On most devices based on Android, this code works very well. But I have one ...
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I want to retrieve iPhone's notification data to PC. How can I receive the notification's app icon?
I want to make a Windows application that connects to a nearby iPhone, and displays the phone's current notifications as a list (which is similar to Microsoft Your Phone's notification feature).
I'm ...
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Android Kotlin ScanFilter Builder class not functioning
As stated above, I'm trying to use ScanFilter.Builder() to construct a filter for my bluetooth application, and it gives an unresolved reference error.
I have ScanFilter properly imported, and the ...
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How to use BLE specification XML service files?
The link BLE device information XML is a BLE service XML file copied from the original GATT specification files. Can I and how can I use this XML file for my project on Android Studio in Java? I am ...
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Android can't detect BLE devices
I'm trying to do an indoor localization app using bluetooth beacons. Everything seems to be working but my android studio just doesnt detect any rssi value. I've tried all the solutions online but ...
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What SMP Packet is missing here for the BLE Pairing to finish successfully?
I am trying to perform a MitM-Attack for educational purposes on my own BLE Keyboard with help of this Framework:
Mirage (I modified this pull requests further for my own purposes though)
On the ...
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36
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.NET MAUI BLE app not showing any services
I am trying to develop an application that connects to a BLE device (ESP32) and read the data sent by it using Plugin.BLE and .NET MAUI.
BTPage.xaml.cs
using Plugin.BLE;
using Plugin.BLE.Abstractions....
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How to read Bluetooth Low Energy GAP characteristic values as a string?
Hello I am new to developing an app and even newer to the concept of BLE. I am developing an application on android using Java that is capable of scanning BLE devices nearby. The main purpose is to ...
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How to Request Bluetooth Permission with a Pop-up in Android 13 while doing this I got an error
Android Bluetooth Permission not working on Android 13.
I want pop up for Permission to ask user for Bluetooth and location
Getting error in permission
package com.eapro.myproject
import android....
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Why does Bluetooth le scan return address XX:XX:XX:XX:55:66 in android 14
I have a Bluetooth LE app that has been working fine since android 4.0. I have fixed the permissions for 14 to add the following to the Manifest
I fixed a few other problems and everything is ...
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76
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How to establish BLE connection without going through SMP process in single ended Bluetooth pairing
After pairing and connecting an Android phone and a Windows computer on the Bluetooth settings page, open the phone's Bluetooth interface to release the pairing with the computer. At this point, using ...
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1
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Kotlin app failing to connect to bluetooth socket (ESP32S device)
val device: BluetoothDevice = bluetoothAdapter.getRemoteDevice(deviceAddress)
val uuid: UUID = UUID.fromString(uuidString)
try {
bluetoothSocket = device....
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29
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Android BLE requestMtu() doesn't seem to work
Introduction
I am involved in developing an Android application that controls a physical device via BLE.
One of the features of the app is to send a large amount of data. My goal is to try to optimize ...
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How to Convert a Byte Array to Unsigned Short and Calculate Standby Time from Battery Current in Android?
I'm working on an Android project where I need to interpret a byte array representing the battery current in mA and calculate the remaining standby time based on the battery capacity.
Currently, I ...
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How to determine the correct UUID for sending a key (password that is used to unlock the device) [closed]
I'm working on an Android application that needs to connect to a hardware device via Bluetooth Low Energy (BLE). To access the data on this device, I need to send a specific key to unlock the data ...
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2
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How to calculate BLE SC Pairing Confirm Value for Passkey Entry in Python?
I'm implementing some Bluetooth Low Energy functionalities in Python.
In the pairing process there is a Pairing Confirm Value like specified in Bluetooth Core Specs 5.3 page 1604 and 1562f.
I have the ...
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21
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Standard BLE library android.bluetooth. DFU mode
How do I download DFU firmware via the BLE standard library (android.bluetooth) in Android Studio?
I am using an NRF controller. I debug via NRF Connect. There is an option to upload firmware via DFU ...
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i am not able to connect to ble device,where is the problem in my mainactivity.java code can somebody help me fix it?
this is mainactivity.java that is in android studio.
package com.example.bleapp;
import android.Manifest;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothGatt;
import ...
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1
answer
34
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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, ...
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1
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How do I make a BLE connection to a peripheral with Kotlin Multiplatform or native Android?
Working with BLE through the Android SDK causes a lot of pain. I would like someone to help me with a good implementation of BLE connectivity. Also, it would be nice if this code was also available on ...
- 419
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Making the BLE (iBeacon mode) connectable on a STM32WB55 board
I'm currently working on a STM32WB55 board and I'm trying to make the BLE (iBeacon mode) connectable.
Actually, the porpuse is to send a data frame via BLE and be able to go back and modify some ...
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How to fix BLE 133 gatt conn timeOut?
I am developing a BLE scanning application. I have a large number of devices and I need
Find
Connect
Process
Disable
I have implemented 5 instances of BLE managers that use devices in parallel and ...
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Android BLE Advertise & Gatt Server Which NOT Require Pairing/Bonding to Connect
I'm using the same code from here :
https://github.com/itanbp/android-ble-peripheral-central/tree/master/app/src/main/java/itan/com/bluetoothle
I start BLE advertising and GattServer. I added my read &...
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BLE FTMS service not discoverable in python But discovered in nrfconnect App
I am using the following code to make an ftms service. This service is easily visible on the mobile phone as shown below but the python script below doesn't show that and gives some unknown junk ...
