Installing the Playground for PulseSensor & Arduino
How To Install:
An Arduino Library is a collection of code and examples on a specific topic or device. For example, our PulseSensor Playground Library is a collection of code and projects made just for your PulseSensor and Arduino.
(NOTE If you do not have Arduino, you can download it here)
To install the PulseSensor Playground Library, in Arduino, to go
Sketch > Include Library > Manage Library...
In the Library Manager: Search for and Select
Install or update to the lastest version.
More Info On Libraries in General