Description
Prints data to the serial port as human-readable ASCII text followed by a carriage return character (ASCII 13, or '\r') and a newline character (ASCII 10, or '\n'). This command takes the same forms as Serial.print().
Syntax
Serial.println(val)
Serial.println(val, format)
Parameters
Serial
: serial port object. See the list of available serial ports for each board on the Serial main page.
val
: the value to print. Allowed data types: any data type.
format
: specifies the number base (for integral data types) or number of decimal places (for floating point types).
Returns
println()
returns the number of bytes written, though reading that number is optional. Data type: size_t
.