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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BluetoothLE with Android 33 - no GATT events after writeDescriptor
With Android < 13, my app was able to connect to my Bluetooth device and everything worked. Now I had to upgrade to 13, an see following behaviour: the device connects but shortly after it gets ...
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Apache Cordova : Cant get print via cordova-plugin-ble-central ble.write, while it doesn't return any error (Android)
I have an Apache Cordova app and I want to print receipts with cordova-plugin-ble-central using Bluetooth printer. I use the code below but it does not print data and does not show any error or ...
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Analysis quality and robustness of a BLE connection
I need some help. This is my first project with Bluetooth Low-Energy. I'm mandated to create a POC to analyze the quality and the robustness of a BLE connection.
I had read the BLUETOOTH LOW ENERGY, ...
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How to Implement Automatic OBD2 Connection with Android Without Constant Foreground Service
Scenario:
The Android and OBD2 devices are paired, and the app is in a state where the task is killed (the process is not completely dead). For example, when you get into the car, the OBD2 and the ...
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in BLE mesh do i only need one provisionor or each node should be a provisionor if i have a big number of nodes?
I'm working on an ESP-BLE-Mesh project and I want to know , if I have a big number of nodes do I only need one "Provisionor" and it'll provision the rest o the nodes or each node should have ...
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Deploying BLE heart rate reader on Xcode using the given SDK
I'm pretty new to swift and Xcode, I'm building an app on it, but I'm having some issues deploying real time heart data, and I can't seem to be able to fix the problem on my own. Thank you in advance, ...
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Unable to publish data to cloud from gateway
I installed iot gateway using this
https://thingsboard.io/docs/iot-gateway/install/pip-installation/
I simply want to connect esp-32, with ble firmware in it,with my iot gateway and it publish ...
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Bluetooth Pairing via BlueZ in Just Work Mode Fails - Confirm Value Failed
Kernel: Linux 4.9.84 armv7l on board
Bluez: 5.65
Peer: Android 12 & IOS 16.6
Application:
Use btmgmt open bluetooth settings
btmgmt power off
btmgmt connectable on
btmgmt pairable on
btmgmt ...
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To perform OTA for BLE devices in Android Kotlin
When i write the end command after the data is written to the OTA data characteristics , the end command is found in the logs of the BLE device so the firmware is not updating.
I need to Perform OTA ...
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Getting 201: ERROR_GATT_WRITE_REQUEST_BUSY, when I tried to write to the same characteristic for the second time In flutter
I am working on a flutter application which communicates with the BLE devices, for BLE connection i am using the flutter_blue_plus: ^1.32.7 library.
I am able to List the Bluetooth devices and connect ...
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How to get timestamp with the hr value while using Polar package in flutter
I am using the following package for making a flutter application to record data from a Polar H10 device: https://pub.dev/packages/polar
if (availabletypes.contains(PolarDataType.hr)) {
polar....
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Communicate BLE in OnApplicationPause
unity is working on a project related to BLE communication.
If Unity is forced to shut down, the BLE device must also shut down.
However, it seems that BLE communication is not working because the ...
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How can i get the advertising of a Ble device during scanForDevices (flutter_reactive_ble)?
I'm developing a cross-platform application (Windows & Mobile). I'm trying to get the advertising data of some BLE devices during the scan process. With Win_ble (a library that I'm using for the ...
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Not able to Notify/read the data from the BLE into my flutter application
I am working in developing an application where a flutter application will interact with the hardware module through BLE protocol. While developing it I was facing problem to fetch the UUID as I was ...
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React Native BLE Manager: Over The Air Update Write Callback Issue
I'm using the react-native-ble-manager library for Over The Air (OTA) updates. During the update, I send arrays of data to the target device using the BleManager.write command with the size of the ...
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