I have construct a circuit on the pulse sensor. The components including: Pulse sensor Arduino Uno Cable wire For the first step, I have downloaded the pulse sensor library into Arduino software. After the library has been installed, the example of the PulseSensor Playground coding has been inserted to the Arduino IDE. The option of “Getting_BPM_into_Monitor” has been selected to display the BPM on the serial monitor. What I need to do is connecting the port, enable the connection of pulse sensor with the coding and observe the results through serial monitor, since I have eliminate the LCD because blind persons cannot see. Pulse Sensor Playground Library Connection between pulse sensor, Arduino Uno and cable wire The heart beat measurement on the serial monitor. After the coding has been uploaded into the Arduino, I click on the "Serial Monitor" at the "Tools" menu. The heart beat measurement will display on Serial Moni...