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- #include <SPI.h>
- #include <MFRC522.h>
- #define pinSDA 10
- #define pinRST 9
- MFRC522 RFID(pinSDA, pinRST);
- void setup() {
- Serial.begin(9600);
- SPI.begin();
- RFID.PCD_Init();
- Serial.println("");
- Serial.println("Tap Kartu/Gantungan !");
- Serial.println();
- }
- void loop() {
- if ( ! RFID.PICC_IsNewCardPresent()) {
- return;
- }
- if ( ! RFID.PICC_ReadCardSerial()) {
- return;
- }
- Serial.print("ID Tag :");
- String content = "";
- byte letter;
- for (byte i = 0; i < RFID.uid.size; i++) {
- Serial.print(RFID.uid.uidByte[i] < 0x10 ? " 0" : " ");
- Serial.print(RFID.uid.uidByte[i], HEX);
- content.concat(String(RFID.uid.uidByte[i] < 0x10 ? " 0" : " "));
- content.concat(String(RFID.uid.uidByte[i], HEX));
- }
- Serial.println();
- delay(2500);
- }
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