rdm630 rfid(3, 0); //TX-pin of RDM630 connected to Arduino pin 6
The comments are ignored by the compiler. This one is, therefore wrong or meaningless. Fix incorrect comments are delete useless ones.
if (conn.connect(srv_addr, 3306, user, password))
{
//delay(50);
//declarar pines como salida
pinMode(motorPin1, OUTPUT);
pinMode(motorPin2, OUTPUT);
pinMode(motorPin3, OUTPUT);
pinMode(motorPin4, OUTPUT);
// pinMode(ledPin12, OUTPUT);
pinMode(ledPin13, OUTPUT);
pinMode(buttonI, INPUT_PULLUP);
pinMode(buttonA, INPUT_PULLUP);
pinMode(sensorA, INPUT_PULLUP);
Serial.println("DB connected :)");
}
else
{
Serial.println("DB Connection failed :(");
}
Why does setting the mode of the pins depend on connecting to the database server?
You still need to post a link to the RFID you are using, and clarify your initial post. Does the device keep making data available while the card is held near the antenna, or not?
A link to the RFID library you are using would be good, too.