How To Make RFID & Keypad Based Door Lock

 

Circuit Diagram :-

Code :-

//Prateek //www.prateeks.in #include <Keypad.h> #include <SPI.h> #include <MFRC522.h> #include <LiquidCrystal_I2C.h> #include <Wire.h> LiquidCrystal_I2C lcd(0x27, 20, 4); #define SS_PIN 53 #define RST_PIN 5 MFRC522 mfrc522(SS_PIN, RST_PIN); int RedLed = 15; int GreenLed = 16; int Blueled = 17; int lock = 9; int Buzzer = 18; unsigned long Timer; const byte ROWS = 4; const byte COLS = 3; char Keys[ROWS][COLS] = { {'1', '2', '3',}, {'4', '5', '6',}, {'7', '8', '9',}, {'*', '0', '#',} }; byte rowPins[ROWS] = {43, 41, 39, 37}; byte colPins[COLS] = {35, 33, 31}; Keypad keypad = Keypad( makeKeymap(Keys), rowPins, colPins, ROWS, COLS); int RightCard; int RightPinCode; int WrongPinCode; int PinCodeCounter; int Code1Correct; int Code2Correct; int Code3Correct; int Code4Correct; int Code5Correct; int Code6Correct; int Reset; int MifareCard1; const int Code1MifareCard1 = '1'; const int Code2MifareCard1 = '2'; const int Code3MifareCard1 = '3'; const int Code4MifareCard1 = '4'; const int Code5MifareCard1 = '5'; const int Code6MifareCard1 = '6'; int MifareCard2; const int Code1MifareCard2 = '6'; const int Code2MifareCard2 = '5'; const int Code3MifareCard2 = '4'; const int Code4MifareCard2 = '3'; const int Code5MifareCard2 = '2'; const int Code6MifareCard2 = '1'; void setup() { Serial.begin(9600); SPI.begin(); mfrc522.PCD_Init(); pinMode (RedLed, OUTPUT); pinMode (GreenLed, OUTPUT); pinMode (Blueled, OUTPUT); pinMode (lock, OUTPUT); pinMode (Buzzer, OUTPUT); lcd.backlight(); lcd.init(); lcd.setCursor(0, 0); lcd.print(" Welcome To"); lcd.setCursor(0, 1); lcd.print(" JustDoElectronics"); delay(5000); lcd.setCursor(1, 3); lcd.print(" Door lock :- "); lcd.setCursor(13, 3); lcd.print("CLOSE"); } void loop() { if (Reset == 1) RightCard = 0; MifareCard1 = 0; MifareCard2 = 0; RightPinCode = 0; WrongPinCode = 0; Code1Correct = 0; Code2Correct = 0; Code3Correct = 0; Code4Correct = 0; Code5Correct = 0; Code6Correct = 0; PinCodeCounter = 0; delay (50); Reset = 0; } if (millis() - Timer > 7000 && RightCard == 1) { Reset = 1; Serial.println("CardAccesOff"); } if (mfrc522.PICC_IsNewCardPresent() && mfrc522.PICC_ReadCardSerial()) { if (mfrc522.uid.uidByte[0] == 0x61 && mfrc522.uid.uidByte[1] == 0x7E && mfrc522.uid.uidByte[2] == 0x1F && mfrc522.uid.uidByte[3] == 0x69) { RightCard = 1; MifareCard1 = 1; digitalWrite (Buzzer, HIGH); delay (150); digitalWrite (Buzzer, LOW); PinCodeCounter = 0; Timer = millis(); Serial.println("CardAccesOn"); delay (200); } if (mfrc522.uid.uidByte[0] == 0xD1 && mfrc522.uid.uidByte[1] == 0x91 && mfrc522.uid.uidByte[2] == 0x1E && mfrc522.uid.uidByte[3] == 0x69) { RightCard = 1; MifareCard2 = 1; digitalWrite (Buzzer, HIGH); delay (150); digitalWrite (Buzzer, LOW); PinCodeCounter = 0; Timer = millis(); Serial.println("CardAccesOn"); delay (200); } } if (Code6Correct == 1 && RightCard == 1) { RightPinCode = 1; lcd.clear(); lcd.setCursor(1, 2); lcd.print(" Door lock :- "); lcd.setCursor(13, 2); lcd.print("OPEN"); digitalWrite (GreenLed, HIGH); digitalWrite (Blueled, HIGH); digitalWrite (lock, HIGH); delay (2000); digitalWrite (Buzzer, HIGH); delay (150); digitalWrite (Buzzer, LOW); delay (50); digitalWrite (Buzzer, HIGH); delay (150); digitalWrite (Buzzer, LOW); delay (500); digitalWrite (GreenLed, LOW); digitalWrite (Blueled, LOW); digitalWrite (lock, LOW); // lcd.clear(); lcd.setCursor(6, 1); lcd.print("Plz Visit "); lcd.setCursor(8, 2); lcd.print("Again"); delay(5000); lcd.clear(); lcd.setCursor(0, 0); lcd.print(" Welcome To"); lcd.setCursor(0, 1); lcd.print(" JustDoElectronics"); lcd.setCursor(1, 3); lcd.print(" Door lock :- "); lcd.setCursor(13, 3); lcd.print("CLOSE"); Serial.println("Correct PinCode"); Reset = 1; } if ((Code6Correct == 0) && (PinCodeCounter >= 6) && (RightCard == 1)) { WrongPinCode = 1; Serial.println("WrongCode"); Reset = 1; } if ((WrongPinCode == 1) || (millis() - Timer > 7000 && RightCard == 1)) { digitalWrite (Buzzer, HIGH); digitalWrite (RedLed, HIGH); delay(1500); digitalWrite (Buzzer, LOW); digitalWrite (RedLed, LOW); Serial.println("WrongCode or Timer expired"); Reset = 1; } char KeyDigit = keypad.getKey(); if ((RightCard == 1) && ((KeyDigit == '1') || (KeyDigit == '2') || (KeyDigit == '3') || (KeyDigit == '4') || (KeyDigit == '5') || (KeyDigit == '6') || (KeyDigit == '7') || (KeyDigit == '8') || (KeyDigit == '9') || (KeyDigit == '0') || (KeyDigit == '*') || (KeyDigit == '#'))) { PinCodeCounter++; digitalWrite (Buzzer, HIGH); delay (50); digitalWrite (Buzzer, LOW); } if ((KeyDigit == Code1MifareCard1) && (RightCard == 1) && (Code1Correct == 0) && (MifareCard1 == 1)) Code1Correct = 1; return; } if ((KeyDigit == Code2MifareCard1) && (Code1Correct == 1) && (Code2Correct == 0) && (MifareCard1 == 1)) Code2Correct = 1; return; } if ((KeyDigit == Code3MifareCard1) && (Code2Correct == 1) && (Code3Correct == 0) && (MifareCard1 == 1)) { Code3Correct = 1; return; if ((KeyDigit == Code4MifareCard1) && (Code3Correct == 1) && (Code4Correct == 0) && (MifareCard1 == 1)) { Code4Correct = 1; return; } if ((KeyDigit == Code5MifareCard1) && (Code4Correct == 1) && (Code5Correct == 0) && (MifareCard1 == 1)) Code5Correct = 1; return; } if ((KeyDigit == Code6MifareCard1) && (Code5Correct == 1) && (Code6Correct == 0) && (MifareCard1 == 1)) { Code6Correct = 1; return; } if ((KeyDigit == Code1MifareCard2) && (RightCard == 1) && (Code1Correct == 0) && (MifareCard2 == 1)) { Code1Correct = 1; return; } if ((KeyDigit == Code2MifareCard2) && (Code1Correct == 1) && (Code2Correct == 0) && (MifareCard2 == 1)) { Code2Correct = 1; return; } if ((KeyDigit == Code3MifareCard2) && (Code2Correct == 1) && (Code3Correct == 0) && (MifareCard2 == 1)) { Code3Correct = 1; return; } if ((KeyDigit == Code4MifareCard2) && (Code3Correct == 1) && (Code4Correct == 0) && (MifareCard2 == 1)) { Code4Correct = 1; return; } if ((KeyDigit == Code5MifareCard2) && (Code4Correct == 1) && (Code5Correct == 0) && (MifareCard2 == 1)) { Code5Correct = 1; return; } if ((KeyDigit == Code6MifareCard2) && (Code5Correct == 1) && (Code6Correct == 0) && (MifareCard2 == 1)) { Code6Correct = 1; return; } }

CODE

Video :-