/* RFID ID12 */ char val = 0; // variable to store the data from the serial port int i=0; void setup() { Serial.begin(9600); // connect to the serial port delay(100); Serial.println("Hola"); } void loop () { // read the serial port if(Serial.available() > 0) { val = Serial.read(); Serial.print(val, BYTE); analogWrite(9,255); analogWrite(10,255); analogWrite(11,255); delay(10); analogWrite(9,0); analogWrite(10,0); analogWrite(11,0); } }