void setup() { Serial.begin(9600); int day= 1; int month= 1; int year= 1970; float my_pi= 3.1416; Serial.println("I am Max Mustermann"); Serial.print("born: "); Serial.print(day); Serial.print("."); Serial.print(month); Serial.print("."); Serial.println(year); Serial.print("Pi is: "); Serial.println(my_pi); } void loop() { }