sino po magaling sa arduino dito baka pwede patulong po.. di ko po kasi napg cocombine tong dalawang codes na to yung sa lcd ayus naman po yun lang sa keypad parang nag lalag...
tyaka eto pa po...
patulong po salamat.. po ng marami
tyaka eto pa po...
#include<Keypad.h> //libraries
#include <LiquidCrystal_I2C.h>
#include<Servo.h>
Servo servo;
#define yled 5 //green led
#define kled 6 // red led
#define buzzer 4
LiquidCrystal_I2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
const byte row = 4; //rows
const byte column = 4; //columbs
char password[4] = {'1', '2', '3', '4'}; //default password we can change it from here and also change it int he void loop!
char encryption[4]; //password that we will click on the keypad
char key; //char key
int i = 0;
char key_pad[4][4] = { //key_pad 2 dimensional array name of the kayped
{'1', '2', '3', 'A'},
{'4', '5', '6', 'B'},
{'7', '8', '9', 'C'},
{'*', '0', '#', 'D'}
};
byte row_pins[4] = {A0, A1, A2, A3}; //rows_pins connected which pins
byte column_pins[4] = {A4, A5, 3, 2}; //columb_pins connecting which pins
Keypad keys_pad = Keypad(makeKeymap(key_pad), row_pins, column_pins, 4, 4); // special code from Keypad library. basically create map usin name of keypad and row_pins,columb_pins
byte customChar9[8] = { //in order to create animation(LOADING EFFECT ) and custom character.
0b11111,
0b11111,
0b11111, // It has been taught in my other video how to create these custom characters: thermometer with animation effect.
0b11111,
0b11111,
0b11111,
0b11111,
0b11111
};
byte customChar8[8] = {
0b11110,
0b11110,
0b11110,
0b11110,
0b11110,
0b11110,
0b11110,
0b11110
};
byte customChar7[8] = {
0b11100,
0b11100,
0b11100,
0b11100,
0b11100,
0b11100,
0b11100,
0b11100
};
byte customChar6[8] = {
0b11000,
0b11000,
0b11000,
0b11000,
0b11000,
0b11000,
0b11000,
0b11000
};
byte customChar5[8] = {
0b10000,
0b10000,
0b10000,
0b10000,
0b10000,
0b10000,
0b10000,
0b10000
};
byte customChar4[8] = {
0b00001,
0b00011,
0b00011,
0b00111,
0b00111,
0b01111,
0b01111,
0b11111
};
byte customChar3[8] = {
0b00000,
0b00010,
0b00010,
0b00110,
0b00110,
0b01110,
0b01110,
0b11110
};
byte customChar2[8] = {
0b00000,
0b00000,
0b00000,
0b00100,
0b00100,
0b01100,
0b01100,
0b11100
};
byte customChar1[8] = {
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b01000,
0b01000,
0b11000
};
byte customChar0[8] = {
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b10000
};
void setup() {
servo.attach(13);
pinMode(yled, OUTPUT); //designating leds and buzzer as OUTPUT
pinMode(buzzer, OUTPUT);
pinMode(kled, OUTPUT);
lcd.createChar(0, customChar0);
lcd.createChar(1, customChar1);
lcd.createChar(2, customChar2);
lcd.createChar(3, customChar3);
lcd.createChar(4, customChar4);
lcd.createChar(5, customChar5);//other custom char starts from here
lcd.createChar(6, customChar6);
lcd.createChar(7, customChar7);
lcd.createChar(8, customChar8);
lcd.createChar(9, customChar9);
lcd.begin(16, 2); // LCD BEGAN
lcd.clear(); //Clear screen
lcd.clear();
lcd.setCursor(1, 0);
lcd.print("Hello");//Clear screen
for (int i = 1; i <= 13; i++) // used 2 for loop in order to create LOADING EFFECT
{
for (int k = 6; k <= 9; k++)
{
lcd.setCursor(i, 1); lcd.write((uint8_t)k);
delay(100);
}
}
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Hello");//ARDUINO HOCAM
lcd.setCursor(0, 1);
lcd.print("Lock Door System"); // LOCK DOOR SYSTEM
delay(2000);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Password:"); //YOU CAN PRINT HERE WHAT EVER YOU WANT ,THIS MEAN PASSWORD:
Serial.begin(9600);
Serial.println("Welcome"); //WELCOME
Serial.println("Encryption Priority");
}
void loop() {
servo.write(0);
digitalWrite(kled,LOW);
digitalWrite(yled,LOW);
key = keys_pad.getKey(); //getKey gets key when we click on the keypad
if (key) //if key (tus then it will process as follow
{
encryption[i++] = key; //everytime we click keypad ,sifre1=password1 will be [0] to [1] to[2].... till 4. element of array
lcd.setCursor(i, 1);
lcd.print("*"); // i have used * this charecter so that passwords that we print on the screen can not be seen from anyone else
digitalWrite(buzzer,HIGH);
delay(100);
digitalWrite(buzzer,LOW);// also when we clicked keypad ,buzzer will ring which make you feel like real system
}
if (i == 4)
{ delay(200);
char password[4] = {'*', '0', '9', '8'}; //default password u should write here like that
if ((strncmp(encryption, password, 4) == 0)) //comparing these passwords if first 4 element correct then process will be as follows
{
lcd.clear();
lcd.setCursor(0, 0);
servo.write(90);
lcd.print("PASSWORD ACCEPTED!"); //password correct
digitalWrite(yled, HIGH);
digitalWrite(kled, LOW);
digitalWrite(buzzer, HIGH);
delay(1000);
digitalWrite(buzzer, LOW);
delay(2000);
digitalWrite(buzzer, HIGH);
delay(2000);
digitalWrite(buzzer, LOW);
delay(1000);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("ENCRYPTION PRIORITY"); //password :
i = 0;
}
else
{
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("INVALID PASSWORD!"); //wrong password
digitalWrite(yled, LOW);
digitalWrite(kled, HIGH);
digitalWrite(buzzer, HIGH);
delay(1000);
digitalWrite(buzzer, LOW);
delay(1000);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("ENCRYPTION PRIORITY"); //password :
i = 0;
}
}
}
patulong po salamat.. po ng marami
