All Questions
Tagged with bluetooth-lowenergy flutter
298
questions
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70
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How to bond a BLE device with a phone using Flutter and flutter_blue package?
I'm developing a Flutter application where I need to connect and bond a Bluetooth Low Energy (BLE) device with a phone. I'm using the flutter_blue package for Bluetooth connectivity. While I can scan ...
- 116
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24
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Flutter: universal_ble package. Can't set notification on the bluetooth device
I have 2 apps: desktop on Flutter and mobile Java on Android. What I'm tryin to do is to connect to the Android app's GattServer and set its characteristic to notify me when its value change through ...
- 13
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votes
1
answer
80
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Flutter blue plus no scan result since I upgraded to 1.32.8 from 1.5.2
My app was working well in 1.5.2, getting all BLE devices nearby.
Since the upgrade, I got no scan results. (This upgrade is mandatory as 1.5.2 is crashing when targeting Android 14 as required by ...
- 13.3k
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45
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Issue with 'flutter_blue_plus' library: Unable to scan mobile Bluetooth devices, despite successful scanning of printers and ear pods
I am working on a Flutter project where I'm using the flutter_blue_plus library version 1.32.8 to handle Bluetooth functionality. However, I'm encountering an issue where the library is not scanning ...
- 99
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64
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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 ...
1
vote
1
answer
28
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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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26
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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 ...
- 11
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33
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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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79
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flutter_blue_plus example can't connect to esp32
I am trying to connect to esp32 using BLE to communicate with my flutter app.
I clone the flutter_blue_plus example here:
https://github.com/boskokg/flutter_blue_plus/tree/master/example
I run the ...
- 73
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votes
1
answer
77
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trying to scan for nearby devices using Bluetooth in flutter. 19,20,22, or even more devices are found with no names
i am trying to scan for devices but i'm getting so many devices available with no names on them. When i scan with another bluetooth app i find no device or maybe one or two. So i guess there's ...
- 3
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36
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Converting Python byteArray to List of Integers for Writing to Bluetooth Characteristic in Flutter?
I'm using Python with the Bleak library to write a bytearray to a Bluetooth device characteristic. The bytearray I'm sending is
bytearray(b'3\x01\x00-\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\...
1
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0
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43
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How to make a file gateway in bluetooth to a flutter app?
I need to send from an ESP32 connected with a SD card that store a JSON file to an app developped in flutter.
I want to send this data to bluetooth. However the my file is about 500Ko (for the ...
- 11
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answers
185
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Connect to a ESP32-S3 via BLE
i am new to programming apps and connections. I made a arduino code and a flutter code, my problem is when i entered the app and try to connect to the board it shows me a error on my phone, Could not ...
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410
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How to pass a Flutter blue plus BluetoothDevice to an isolate (BLE)?
I currently having an issue with passing a BluetoothDevice to an isolate in flutter.
Note: I am currently using the flutter_blue_plus package to handle BLE operations within the application. Flutter ...
- 41
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16
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Fluter,Questions about real-time sound output through Bluetooth BLE
I am a junior developer who has just started using Flutter.
I want to receive sound in real time from a Bluetooth device and output it on a mobile phone device.
I confirmed the Bluetooth connection ...
- 1