Code for Rfid Project With Arduino
by kishlaydenobili2 in Circuits > Arduino
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Code for Rfid Project With Arduino

code :- include MFRC522 library
#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 10
#define RST_PIN 9
MFRC522 rfid(SS_PIN, RST_PIN);
void setup() {
Serial.begin(9600);
SPI.begin();
rfid.PCD_Init();
Serial.println("Scan an RFID tag");
}
void loop() {
if (!rfid.PICC_IsNewCardPresent()) {
return;
}
if (!rfid.PICC_ReadCardSerial()) {
return;
}
Serial.print("UID tag: ");
for (byte i = 0; i < rfid.uid.size; i++) {
Serial.print(rfid.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(rfid.uid.uidByte[i], HEX);
}
Serial.println();
delay(1000);
}

Code;-
#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 10
#define RST_PIN 9
MFRC522 rfid(SS_PIN, RST_PIN);
void setup() {
Serial.begin(9600);
SPI.begin();
rfid.PCD_Init();
Serial.println("Scan an RFID tag");
}
void loop() {
if (!rfid.PICC_IsNewCardPresent()) {
return;
}
if (!rfid.PICC_ReadCardSerial()) {
return;
}
Serial.print("UID tag: ");
for (byte i = 0; i < rfid.uid.size; i++) {
Serial.print(rfid.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(rfid.uid.uidByte[i], HEX);
}
Serial.println();
delay(1000);
}