Práctica 25

int Valor=0;
void setup (){
Serial.begin(9600);
}
void loop(){
for(Valor=0;Valor<=70;Valor+=3){
analogWrite(13,Valor);
analogWrite(12,70-Valor);
delay(100);
Serial.println(Valor);
}
for(Valor=70;Valor>=0;Valor-=3){
analogWrite(13,Valor);
analogWrite(12,70-Valor);
delay(100);
Serial.println(Valor);
}
}