Hi.
I have a problem with RFID reader which I ordered from SeeedStudio.
I connected it to arduino serial RX pin and also I used SoftwareSerial but the result is the same. Arduino receives only 255 value.
like this:
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
I received: 255
here is a code:
int incomingByte = 0; // for incoming serial data
void setup() {
Serial.begin(9600); // opens serial port, sets data rate to 9600 bps
}
void loop() {
// send data only when you receive data:
if (Serial.available() > 0) {
// read the incoming byte:
incomingByte = Serial.read();
// say what you got:
Serial.print("I received: ");
Serial.println(incomingByte);
}
}
The same is when I use another method - SoftwareSerial on pin 2.
Any Idea what can be wrong?