Fitness Tracker Application using BLE module

Highlights of the Technology used:

- Fitness Tracker device supports PAN1721 Bluetooth Low Energy module and has in-built TI CC2541 chipset with BLE 4.0 version, Single mode support

- It uses GATT/GAP profiles to transmit the data from the source to destination

- Each sensors module has its own profile under GATT/GAP

- Firmware up-gradation through USB (USB to UART)

- LED is used to indicate discoverable and connected state of BT device

Sensors used:

- SpO2 + Heart-rate

- Accelerometer

- Gyroscope

- Air Pressure

- Ambient Temperature

- Ambient Humidity

- Ambient Light

- Body Temperature

- Battery Voltage

- Battery Temperature

The device works on low power consumption operated by a battery of 3.7V @155mAh. The battery is USB chargeable. The overall device size is 50 x 15 x 5.5 mm and the approximate weight is 10gms.

Possible Mobile Application Usage:

- Using mobile application data can be monitored continuously

- Cloud storage of all the data can be done through mobile application, such that doctor will constantly analyze the data

- Real time plotting of data for heart-rate can be done using mobile application

- Time Stamping for the data can also be done in mobile application to monitor the time of the data received