This example reads audio data from an Invensense ICS43432I2S microphone breakout board, and prints out the spectrum to the Serial console. The Serial Plotter built into the Arduino IDE can be used to ...

* 1. Rest a fingertip gently on the HealthyPi 5 PPG/SpO2 sensor. * 2. Upload, open Tools > Serial Plotter at 115200. * 3. You should see two pulsatile waveforms (IR and RED) beating with the * heart — ...

I like to visualize things, so I decided to prepare this simple tutorial to help you better understand how to visualize data using Arduino. This tutorial assumes that you have some basic electronics ...