1. To create a pulse oximeter system that receives pulse and saturation values from the sensor and transmits them to an app.
2. To create a mobile device application receiving pulse and saturation values, presenting the data to the user and informing when they exceed safe ranges.
3. Calculating and presenting statistics from the measurements.

1. MAX30100 pulse sensor
2. HC-05 bluetooth module
3. Arduino Uno
4. Mobile device

Diagram of the connection of individual components

Finished layout after assembly

1. Kotlin 1.2.0
2. Android Studio 4.1.0
3. MPAndroidCharts 3.1.0
4. SQLite 3.33.0

Layouts:

Database:

The measurements are stored in a database created in SQLite, which supports SQL (Structured Query Language) and consists of a single table of measurements storing the values of pulse, saturation and the date of each measurement stored in the appropriate format.