G.S Entertainments

Circuit Diagram :                                    Code :  //G.S Entertainment //RFID Solenoid Lock #include <SPI.h> #include <MFRC522.h>   #define SS_PIN 10 #define RST_PIN 9 #define LED_G 5 //define green LED pin #define LED_R 4 //define red LED #define RELAY 3 //relay pin #define BUZZER 2 //buzzer pin #define ACCESS_DELAY 2000 #define DENIED_DELAY 1000 MFRC522 mfrc522(SS_PIN, RST_PIN);   // Create MFRC522 instance.   void setup()  {   Serial.begin(9600);   // Initiate a serial communication   SPI.begin();          // Initiate  SPI bus   mfrc522.PCD_Init();   // Initiate MFRC522   pinMode(LED_G, OUTPUT);   pinMode(LED_R, OUTPUT);   pinMode(RELAY, OUTPUT);   pinMode(BUZZER, OUTPUT);   noTone(BUZZER);   digitalWrite(RELAY, LOW);   Serial.println("Please put...