#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 9
#define RST_PIN 10
MFRC522 rfid(SS_PIN, RST_PIN);
String content= "";
void setup() {
Serial.begin(115200);
SPI.begin();
rfid.PCD_Init();
Serial.println("MFRC522 Hazir...");
Serial.println("Karti okutun...");
}
void loop() {
if (!rfid.PICC_IsNewCardPresent()) {
return;
}
if (!rfid.PICC_ReadCardSerial()) {
return;
}
Serial.print("Kart UID:");
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();
content.toUpperCase();
if (content.substring(1) == "01 02 03 04")
{
Serial.println("Erisim saglandi...");
}
else
{
Serial.println("!! Erisim Reddedildi !!");
}
rfid.PICC_HaltA();
delay(1000);
}Loading
mfrc522
mfrc522