Click to see the original:

https://www.instructables.com/id/How-to-Display-Heart-Rate-on-the-STONE-LCD-With-Ar/

https://www.hackster.io/yaruliuamy/how-to-display-heart-rate-on-the-lcd-with-arduino-2119a8

Before starting this project, I thought about some simple features:

• Heart rate data and blood oxygen data were collected

• Heart rate and blood oxygen data are displayed through an LCD screen These are the only two features, but if we want to implement it, we need to do more thinking:

• What master MCU is used?

• What kind of lcd displayer? 

Then the basic electronic materials are determined as follows:

1.  Arduino Mini Pro development board

2.  MAX30100 heart rate and blood oxygen sensor module

3.  STONE STVI070WT-01 LCD serial port display module

4.  MAX3232 module

Compile the code, download it to the Arduino development board, and begin testing.

We can see that when the finger leaves the MAX30100, the heart rate and blood oxygen show up as 0.Place your finger on the MAX30100 collector to see your heart rate and oxygen levels in real time.

The effect is shown in the following figure:

Visit here: - http://www.stoneitech.com/