RFID to sound to blink

sketches/ezn/RFID_to_Sound_to_blink/RFID_to_Sound_to_blink.ino

@@ -0,0 +1,119 @@
+/*
+   All the resources for this project: http://randomnerdtutorials.com/
+   Modified by Rui Santos
+
+   Created by FILIPEFLOP
+
+   Reconfigured by E.zn
+*/
+
+
+#include <SPI.h>
+#include <MFRC522.h>
+
+#define SS_PIN 10
+#define RST_PIN 9
+MFRC522 mfrc522(SS_PIN, RST_PIN);   // Create MFRC522 instance.
+
+
+const int ledpin = 6; // ledpin and soundpin are not changed throughout the process
+const int RFIDSound = 5;
+
+
+void setup()
+{
+  Serial.begin(9600);   // Initiate a serial communication
+  SPI.begin();      // Initiate  SPI bus
+  mfrc522.PCD_Init();   // Initiate MFRC522
+  Serial.println("Approximate your card to the reader...");
+  Serial.println();
+  pinMode(ledpin, OUTPUT);
+  pinMode(RFIDSound, OUTPUT);
+
+
+}
+
+void readCard() {
+  // Look for new cards
+  if ( ! mfrc522.PICC_IsNewCardPresent())
+  {
+    return;
+  }
+  // Select one of the cards
+  if ( ! mfrc522.PICC_ReadCardSerial())
+  {
+    return;
+  }
+  //Show UID on serial monitor
+  Serial.print("UID tag :");
+  String content = ""; // for tag + Sound
+  String binary = ""; // for binary + LED
+  int letter;
+  for (int i = 0; i < mfrc522.uid.size; i++)
+  {
+    Serial.print(mfrc522.uid.uidByte[i], DEC);
+    content.concat(String(mfrc522.uid.uidByte[i], DEC)); // Spits out decimal value of UID tag
+
+    // Assigns tones to each digit of a tag
+    
+    if (content.charAt(i) == '0') {
+      tone(RFIDSound, 40, 2250);
+      delay(500);
+    }
+    else if (content.charAt(i) == '1') {
+      tone(RFIDSound, 255, 150);
+      delay(500);
+    }
+    else if (content.charAt(i) == '2') {
+      tone(RFIDSound, 260, 1500);
+      delay(500);
+    }
+    else if (content.charAt(i) == '3') {
+      tone(RFIDSound, 265, 150);
+      delay(500);
+    }
+    else if (content.charAt(i) == '4') {
+      tone(RFIDSound, 270, 1000);
+      delay(500);
+    }
+    else if (content.charAt(i) == '5') {
+      tone(RFIDSound, 275, 1590);
+      delay(500);
+    }
+    else if (content.charAt(i) == '6') {
+      tone(RFIDSound, 280, 1500);
+      delay(500);
+    }
+    else if (content.charAt(i) == '7') {
+      tone(RFIDSound, 285, 1500);
+      delay(500);
+    }
+    else if (content.charAt(i) == '8') {
+      tone(RFIDSound, 290, 1050);
+      delay(500);
+    }
+    else if (content.charAt(i) == '9') {
+      tone(RFIDSound, 100, 1000);
+      delay(500);
+    }
+  }
+
+  // Getting binary version of the same tag and blinking LED accordingly
+
+  for (int b = 0; b < mfrc522.uid.size; b++)
+  {
+    Serial.println(mfrc522.uid.uidByte[b], BIN);
+    binary.concat(String(mfrc522.uid.uidByte[b], BIN));
+
+    if (binary.charAt(b) == '1') {
+      digitalWrite(ledpin, HIGH);
+      delay(500);
+    }
+    else if (binary.charAt(b) == '0') {
+      digitalWrite(ledpin, LOW);
+      delay(500);
+    }
+  }
+  Serial.println();
+  delay(1000);
+}