Description
Serial.find() reads data from the serial buffer until the target is found. The function returns true if target is found, false if it times out.
Serial.find() inherits from the stream utility class.
Syntax
Serial.find(target)
Serial.find(target, length)
Parameters
Serial: serial port object. See the list of available serial ports for each board on the Serial main page.
target: the string to search for. Allowed data types: char.
length: length of the target. Allowed data types: size_t.
Returns
Data type: bool.