// Funzioni
void abilita() ;
-void forwardA() ;
+void forwardA(); // speedA e' dato dalla variabile golabale speedA
+void forwardA(byte speedA); // Overloading
void backwardA() ;
+void backwardA(byte speedA) ;
void stopA() ;
void forwardB() ;
+void forwardB(byte speedB) ;
void backwardB() ;
+void backwardB(byte speedB) ;
void stopB() ;
#endif