Password based door

1#include <Servo.h>
2
3#include <LiquidCrystal.h>
4
5#include <Keypad.h>
6Servo  myservo;
7
8const int ROW_NUM = 4; //four rows
9const int COLUMN_NUM = 4;  //four columns
10
11char keys[ROW_NUM][COLUMN_NUM] = {
12  {'1','2','3', 'A'},
13  {'4','5','6', 'B'},
14  {'7','8','9', 'C'},
15  {'*','0','#', 'D'}
16};
17
18byte  pin_rows[ROW_NUM] = {9,8,7,6}; //connect to the row pinouts of the keypad
19byte  pin_column[COLUMN_NUM] = {5, 4, 3, 2}; //connect to the column pinouts of the keypad
20
21Keypad  keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );
22
23String  inputString;
24long inputInt;
25LiquidCrystal lcd(12, 11, 5, 4, 3, 2); 
26void  setup() {
27  Serial.begin(9600);
28  inputString.reserve(10);
29 myservo.attach(10);//  maximum number of digit for a number is 10, change if needed
30}
31
32void loop()  {
33  char key = keypad.getKey();
34
35  if (key) {
36    Serial.println(key);
37
38    if (key >= '0' && key <= '9') {     // only act on numeric keys
39      inputString  += key;               // append new character to input string
40    } else if (key  == '#') {
41      if (inputString.length() > 0) {
42        inputInt = inputString.toInt();  // YOU GOT AN INTEGER NUMBER
43        inputString = "";               // clear  input
44        // DO YOUR WORK HERE
45
46      }
47    } else if (key == '*')  {
48      inputString = "";                 // clear input-
49    }
50  }
51  if (key==3456){
52      myservo.write(90);
53    
54  }
55  else{
56    myservo.write(0);
57  }
58  }

1#include <Servo.h>
2
3#include <LiquidCrystal.h>
4
5#include <Keypad.h>
6Servo   myservo;
7
8const int ROW_NUM = 4; //four rows
9const int COLUMN_NUM = 4;   //four columns
10
11char keys[ROW_NUM][COLUMN_NUM] = {
12  {'1','2','3', 'A'},
13   {'4','5','6', 'B'},
14  {'7','8','9', 'C'},
15  {'*','0','#', 'D'}
16};
17
18byte   pin_rows[ROW_NUM] = {9,8,7,6}; //connect to the row pinouts of the keypad
19byte   pin_column[COLUMN_NUM] = {5, 4, 3, 2}; //connect to the column pinouts of the keypad
20
21Keypad   keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );
22
23String   inputString;
24long inputInt;
25LiquidCrystal lcd(12, 11, 5, 4, 3, 2); 
26void   setup() {
27  Serial.begin(9600);
28  inputString.reserve(10);
29 myservo.attach(10);//   maximum number of digit for a number is 10, change if needed
30}
31
32void loop()   {
33  char key = keypad.getKey();
34
35  if (key) {
36    Serial.println(key);
37
38     if (key >= '0' && key <= '9') {     // only act on numeric keys
39      inputString   += key;               // append new character to input string
40    } else if (key   == '#') {
41      if (inputString.length() > 0) {
42        inputInt = inputString.toInt();   // YOU GOT AN INTEGER NUMBER
43        inputString = "";               // clear   input
44        // DO YOUR WORK HERE
45
46      }
47    } else if (key == '*')   {
48      inputString = "";                 // clear input-
49    }
50  }
51   if (key==3456){
52      myservo.write(90);
53    
54  }
55  else{
56    myservo.write(0);
57   }
58  }

1#include <Servo.h>
2
3#include <LiquidCrystal.h>
4
5#include <Keypad.h>
6Servo
7  myservo;
8
9const int ROW_NUM = 4; //four rows
10const int COLUMN_NUM = 4;
11  //four columns
12
13char keys[ROW_NUM][COLUMN_NUM] = {
14  {'1','2','3', 'A'},
15
16  {'4','5','6', 'B'},
17  {'7','8','9', 'C'},
18  {'*','0','#', 'D'}
19};
20
21byte
22  pin_rows[ROW_NUM] = {9,8,7,6}; //connect to the row pinouts of the keypad
23byte
24  pin_column[COLUMN_NUM] = {5, 4, 3, 2}; //connect to the column pinouts of the keypad
25
26Keypad
27  keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );
28
29String
30  inputString;
31long inputInt;
32LiquidCrystal lcd(12, 11, 5, 4, 3, 2); 
33void
34  setup() {
35  Serial.begin(9600);
36  inputString.reserve(10);
37 myservo.attach(10);//
38  maximum number of digit for a number is 10, change if needed
39}
40
41void loop()
42  {
43  char key = keypad.getKey();
44
45  if (key) {
46    Serial.println(key);
47
48
49    if (key >= '0' && key <= '9') {     // only act on numeric keys
50      inputString
51  += key;               // append new character to input string
52    } else if (key
53  == '#') {
54      if (inputString.length() > 0) {
55        inputInt = inputString.toInt();
56  // YOU GOT AN INTEGER NUMBER
57        inputString = "";               // clear
58  input
59        // DO YOUR WORK HERE
60
61      }
62    } else if (key == '*')
63  {
64      inputString = "";                 // clear input-
65    }
66  }
67
68  if (key==3456){
69      myservo.write(90);
70    
71  }
72  else{
73    myservo.write(0);
74
75  }
76  }