Here is a basic untested code that might do what you're wanting. I combined a my sensors button sketch with the following.
http://www.instructables.com/id/Arduino-door-lock-with-password/
I might build one up at some point, but currently I haven't tested it.
#include <MySensor.h>
#include <SPI.h>
#include <Password.h> //http://playground.arduino.cc/uploads/Code/Password.zip //tells to use password library
#include <Keypad.h> //http://www.arduino.cc/playground/uploads/Code/Keypad.zip //tells to use keypad library
#define CHILD_ID 3
Password password = Password( "0000" ); //password to unlock, can be changed
const byte ROWS = 4; // Four rows
const byte COLS = 4; // columns
// Define the Keymap
char keys[ROWS][COLS] = {
{'1','2','3'},
{'4','5','6'},
{'7','8','9'},
{'*','0','#'}
};
// Connect keypad ROW0, ROW1, ROW2 and ROW3 to these Arduino pins.
byte rowPins[ROWS] = { 9, 8, 7, 6 };// Connect keypad COL0, COL1 and COL2 to these Arduino pins.
byte colPins[COLS] = { 5, 4, 3 };
MySensor gw;
int oldValue=-1;
// Change to V_LIGHT if you use S_LIGHT in presentation below
MyMessage msg(CHILD_ID,V_TRIPPED);
// Create the Keypad
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
void setup()
{
gw.begin();
delay(200);
pinMode(11, OUTPUT); //green light
pinMode(12, OUTPUT); //red light
keypad.addEventListener(keypadEvent); //add an event listener for this keypad
// Register binary input sensor to gw (they will be created as child devices)
// You can use S_DOOR, S_MOTION or S_LIGHT here depending on your usage.
// If S_LIGHT is used, remember to update variable type you send in. See "msg" above.
gw.present(CHILD_ID, S_DOOR);
}
void loop(){
keypad.getKey();
}
//take care of some special events
void keypadEvent(KeypadEvent eKey){
switch (keypad.getState()){
case PRESSED:
Serial.print("Enter:");
Serial.println(eKey);
delay(10);
Serial.write(254);
switch (eKey){
case '*': checkPassword(); delay(1); break;
case '#': password.reset(); delay(1); break;
default: password.append(eKey); delay(1);
}
}
}
void checkPassword(){
if (password.evaluate()){ //if password is right open
Serial.println("Accepted");
Serial.write(254);delay(10);
//Add code to run if it works
gw.send(msg.set(1));
digitalWrite(11, HIGH);//turn on
delay(5000); //wait 5 seconds
digitalWrite(11, LOW);// turn off
delay(5000);
gw.send(msg.set(0));
}else{
Serial.println("Denied"); //if passwords wrong keep locked
Serial.write(254);delay(10);
//add code to run if it did not work
gw.send(msg.set(0));
digitalWrite(12, HIGH); //turn on
delay(5000); //wait 5 seconds
digitalWrite(12, LOW);//turn off
}
}```
