Variable or field 'serialEvent' declared void
I'd like see Pulse Sensor Visualizer on my laptop which used virtual COM3 port: http://arduino.cc/forum/index.php/topic,118440.0.html, but Arduino soft can't Verify and Upload the PulseSensor file The "GettingStartedProject" – World Famous Electronics llc.
Please help me to view the heartbeat waveform and check my heart rate on laptop.
