Password reminder

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

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

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