Reads incoming serial data. read() inherits from the Stream utility class.
Arduino Mega only: Serial1.read() Serial2.read() Serial3.read()
the first byte of incoming serial data available (or -1 if no data is available) - int
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16