It is a simple flutter app with bluetooth connectivity to send data to HC-05 Bluetooth module. I used shared preferences for small data storage such as time. Arduino Code https://github.com/sourabhsdx/arduino_bluetooth_relay_control.git
Packages used in this project: provider: ^4.3.1 | https://github.com/rrousselGit/provider flutter_bluetooth_serial: ^0.2.2 |https://pub.dev/packages/flutter_bluetooth_serial shared_preferences: ^0.5.8 | https://pub.dev/packages/shared_preferences
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