Add files via upload

Tinkercad_LCD_keypad_control_acess.ino

@@ -0,0 +1,232 @@
+#include <Keypad.h>
+#include <LiquidCrystal.h>
+#include <Servo.h>
+const byte ROWS = 4;
+const byte COLS = 4;
+char keys[ROWS][COLS] = {
+{'1','2','3','A'},
+{'4','5','6','B'},
+{'7','8','9','C'},
+{'*','0','#','D'},
+};
+byte rowPins[ROWS] = {2,3,5,6};
+byte colPins[COLS] = {7,8,9,4};
+
+int V_LED = 11;
+int R_LED = 13;
+int myBuzzer = 10;
+
+Servo myservo;
+// Initialize the LCD with the numbers of the interface pins
+LiquidCrystal lcd(14, 15, 16, 17, 18, 19);// RS-->A0 ,E-->A1,D4,D5,D6,D7
+Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins,
+ROWS, COLS);
+
+
+char PIN_User1[4]=  {'1','2','3','4'}; // secret number for user 1
+char PIN_User2[4] = {'2','B','2','B'};
+char PIN_User3[4] = {'A','B','C','D'};
+
+
+char attempt[4]={0,0,0,0};
+int z=0;
+int try_s = 0;
+int pos = 0; 
+bool perDetect = false;
+
+void init_lcd();
+void notVerficated();
+void verficated();
+
+
+void readKeypad();
+void setup() {
+ init_lcd();
+ myservo.attach(12); 
+ myservo.write(0);
+ pinMode(myBuzzer,OUTPUT);
+ pinMode(V_LED,OUTPUT);
+ pinMode(R_LED,OUTPUT);
+ digitalWrite(V_LED, LOW);
+ digitalWrite(R_LED, LOW);
+ lcd.print("Enter Your Code :");
+
+}
+void User1_Come() {
+  lcd.clear();
+  lcd.setCursor(4,0);
+  lcd.print("Welcome");
+  lcd.setCursor(4,1);
+  lcd.print("*User1*");
+  delay(2000);
+}
+void User2_Come() {
+  lcd.clear();
+  lcd.setCursor(4,0);
+  lcd.print("Welcome");
+  lcd.setCursor(4,1);
+  lcd.print("*User2*");
+  delay(2000);
+}
+void User3_Come() {
+  lcd.clear();
+  lcd.setCursor(4,0);
+  lcd.print("Welcome");
+  lcd.setCursor(4,1);
+  lcd.print("*User3*");
+  delay(2000);
+}
+
+void errorPIN() {
+  lcd.clear();
+  lcd.setCursor(4,0);
+  lcd.print("Invalid");
+  lcd.setCursor(5,1);
+  lcd.print("*Code*");
+  delay(2000);
+  if (try_s == 0) {
+  lcd.clear();
+  lcd.print("Enter Your Code :");
+  }
+}
+
+void verificated() {
+  digitalWrite(V_LED,HIGH);
+  delay(1000);
+  digitalWrite(V_LED,LOW);
+  delay(1000);
+  myservo.write(180);
+  delay(2000);
+  lcd.clear();
+  lcd.print(" The Door ");
+  lcd.setCursor(4,1);
+  lcd.print(" Opened ");
+  delay(2000);
+  myservo.write(0);
+  delay(1500);
+  lcd.clear();
+  lcd.print("Enter Your Code");
+  perDetect = false;
+}
+
+void notVerficated() {
+
+  digitalWrite(R_LED,HIGH);
+  delay(1000);
+  digitalWrite(R_LED,LOW);
+  delay(1000);
+  try_s = try_s +1;
+  if ( try_s == 2) {
+    lcd.clear();
+    lcd.print(" ! Stranger ! ");
+    digitalWrite(myBuzzer,HIGH);
+    delay(1000);
+    digitalWrite(myBuzzer,LOW);
+    try_s = 0;
+    delay(2000);
+    lcd.clear();
+    lcd.print("Enter Your Code");
+    perDetect == false;
+
+  }
+}
+
+void clearPIN(){
+for (int zz=0; zz<4; zz++) // remove previously entered code attempt from
+{
+attempt[zz]=0;
+}
+}
+
+void checkPINs()
+      {
+int correct_User1=0;
+int correct_User2 = 0;
+int correct_User3 = 0;
+int i;
+ for ( i = 0; i < 4 ; i++ )
+{
+
+ if (attempt[i]==PIN_User1[i]) 
+{
+correct_User1++;
+}
+
+if (attempt[i] == PIN_User2[i]) {
+  correct_User2++;
+}
+if (attempt[i] == PIN_User3[i]) {
+     correct_User3++;
+}
+}
+
+if(correct_User1==4)
+{
+
+
+  User1_Come();
+  verificated();
+  try_s =0;
+}
+ else if (correct_User2 == 4 ) {
+
+
+
+User2_Come();
+verificated();
+try_s =0;
+}
+ else if
+(correct_User3 == 4) {
+
+  User3_Come();
+  verificated();
+  try_s =0;
+}
+else  {
+ errorPIN();
+ notVerficated();
+}
+
+}
+
+
+void init_lcd() {
+  lcd.clear();
+  lcd.print("Enter Your Code");
+  lcd.begin(16, 2);
+}
+void readKeypad()
+{
+char key = keypad.getKey();
+  if (key != NO_KEY) {
+
+      lcd.setCursor(pos,1);
+      lcd.print(key);
+      pos = pos+1;
+
+    switch(key){
+
+      case '*' :
+      z=0;
+      pos = 0;
+      init_lcd();
+      lcd.print("Enter Your Code");
+      break;
+
+      case '#' :
+      delay(100); // removes the possibility of switch bounce
+      checkPINs();
+      z=0;
+      pos = 0;
+      break;
+      default :
+      attempt[z]=key;
+      z++;
+      break;
+  }
+  }
+}
+void loop(){
+  readKeypad();
+}