Heart rate monitor based on Bluetooth LE Heart Rate Measurement Profile with exercise timer.
Features
1. Scan and connect to any BLE standard profile heart rate devices.
2. Display Max. and Min. Heart Rate when the exercise timer is running.
3. Notify user with alarm sound when heart rate exceeds a user-input value (Max Limit) when the exercise timer is running.
4. Display battery level of the BLE device with BLE Battery Level Service