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- int val = 0;
- char code[10];
- int bytesread = 0;
- void setup() {
- Serial.begin(2400); // RFID reader SOUT pin connected to Serial RX pin at 2400bps
- pinMode(2,OUTPUT); // Set digital pin 2 as OUTPUT to connect it to the RFID /ENABLE pin
- digitalWrite(2, LOW); // Activate the RFID reader
- }
- void loop() {
- if(Serial.available() > 0)
- { // if data available from reader
- Serial.println ("Serial.available");
- if((val = Serial.read()) == 10) { // check for header
- bytesread = 0;
- Serial.println (val);
- while(bytesread<10) { // read 10 digit code
- if( Serial.available() > 0) {
- val = Serial.read();
- if((val == 10)||(val == 13)) { // if header or stop bytes before the 10 digit reading
- break; // stop reading
- }
- code[bytesread] = val; // add the digit
- bytesread++; // ready to read next digit
- }
- }
- if(bytesread == 10) { // if 10 digit read is complete
- Serial.print("TAG code is: "); // possibly a good TAG
- Serial.println(code); // print the TAG code
- }
- bytesread = 0;
- digitalWrite(2, HIGH); // deactivate the RFID reader for a moment so it will not flood
- delay(1000); // wait for a bit
- digitalWrite(2, LOW); // Activate the RFID reader
- Serial.println ("done reading");
- }
- }
- }
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