Riddle Keypad Project (TEJ3M Summative)

1#include <Wire.h> 
2#include <LiquidCrystal_I2C.h>
3#include <Keypad.h>   //includes all the libraries
4
5#define Password_Length 5 //sets the length   of the password
6int signalPin = 12; //
7 
8char Data[Password_Length]; 
9char   Master[Password_Length] = "3.14"; //sets password
10byte data_count = 0, master_count   = 0;
11bool Pass_is_good;
12char customKey;
13
14const byte ROWS = 4; 
15const   byte COLS = 4;
16
17char hexaKeys[ROWS][COLS] = {
18  {'1', '4', '7', '#'},
19   {'2', '5', '8', '0'}, //tells the computer which button is which value
20  {'3',   '6', '9', '.'},
21  {'A', 'B', 'C', 'D'}
22};
23
24byte rowPins[ROWS] = {9,   8, 7, 6};
25byte colPins[COLS] = {5, 4, 3, 2};
26
27Keypad customKeypad = Keypad(makeKeymap(hexaKeys),   rowPins, colPins, ROWS, COLS);
28
29
30LiquidCrystal_I2C lcd(0x27, 16, 2);//tells   the computer the dimensions of the lcd
31
32void setup(){
33  lcd.init(); 
34   lcd.backlight();
35}
36
37void loop(){
38
39  lcd.setCursor(0,0);
40  lcd.print("What   do math");
41  lcd.setCursor(0,2);
42  lcd.print("teachers eat?"); //Displays   the question
43  
44  
45  customKey = customKeypad.getKey();
46  if (customKey){
47     Data[data_count] = customKey;;
48    lcd.setCursor(14,1); 
49    lcd.print(Data[data_count]);   
50    data_count++;
51    } // displays the button being pressed as you press   it
52
53  if(data_count == Password_Length-1){
54    delay(500);
55    lcd.clear();
56
57     if(!strcmp(Data, Master)){
58      lcd.print("    Unlocked!");
59      delay(3000);
60       } // if the password is right, print unlocked...
61    else{
62      lcd.print("     Try again!");
63      lcd.setCursor(0,2);
64      lcd.print("Hint: Dessert");
65       delay(2000); //...if not, say try again and give a hint
66      }
67    
68     lcd.clear();
69    clearData();  //clear everything on the screen and set data_count   back to 0
70  }
71}
72
73void clearData(){
74  while(data_count !=0){
75    Data[data_count--]   = 0; 
76  }
77  return;
78}

1#include <Wire.h> 
2#include <LiquidCrystal_I2C.h>
3#include <Keypad.h>  //includes all the libraries
4
5#define Password_Length 5 //sets the length  of the password
6int signalPin = 12; //
7 
8char Data[Password_Length]; 
9char  Master[Password_Length] = "3.14"; //sets password
10byte data_count = 0, master_count  = 0;
11bool Pass_is_good;
12char customKey;
13
14const byte ROWS = 4; 
15const  byte COLS = 4;
16
17char hexaKeys[ROWS][COLS] = {
18  {'1', '4', '7', '#'},
19  {'2', '5', '8', '0'}, //tells the computer which button is which value
20  {'3',  '6', '9', '.'},
21  {'A', 'B', 'C', 'D'}
22};
23
24byte rowPins[ROWS] = {9,  8, 7, 6};
25byte colPins[COLS] = {5, 4, 3, 2};
26
27Keypad customKeypad = Keypad(makeKeymap(hexaKeys),  rowPins, colPins, ROWS, COLS);
28
29
30LiquidCrystal_I2C lcd(0x27, 16, 2);//tells  the computer the dimensions of the lcd
31
32void setup(){
33  lcd.init(); 
34  lcd.backlight();
35}
36
37void loop(){
38
39  lcd.setCursor(0,0);
40  lcd.print("What  do math");
41  lcd.setCursor(0,2);
42  lcd.print("teachers eat?"); //Displays  the question
43  
44  
45  customKey = customKeypad.getKey();
46  if (customKey){
47    Data[data_count] = customKey;;
48    lcd.setCursor(14,1); 
49    lcd.print(Data[data_count]);  
50    data_count++;
51    } // displays the button being pressed as you press  it
52
53  if(data_count == Password_Length-1){
54    delay(500);
55    lcd.clear();
56
57    if(!strcmp(Data, Master)){
58      lcd.print("    Unlocked!");
59      delay(3000);
60      } // if the password is right, print unlocked...
61    else{
62      lcd.print("    Try again!");
63      lcd.setCursor(0,2);
64      lcd.print("Hint: Dessert");
65      delay(2000); //...if not, say try again and give a hint
66      }
67    
68    lcd.clear();
69    clearData();  //clear everything on the screen and set data_count  back to 0
70  }
71}
72
73void clearData(){
74  while(data_count !=0){
75    Data[data_count--]  = 0; 
76  }
77  return;
78}