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Escape Room Prop Lockbox
#include <Keypad.h>
#include <Servo.h> // Include the Servo library
int servoPin = 3; // Declare the Servo pin
Servo Servo1; // Create a servo object
const byte n_rows = 4;
const byte n_cols = 4;
char keys[n_rows][n_cols] = {
{'1','2','3','A'},
{'4','5','6','B'},
{'7','8','9','C'},
{'*','0','#','D'}
};
int led = D8;
//String answer = "987654321";
String answer = "7854487087";
byte colPins[n_rows] = {D3, D2, D1, D0};
byte rowPins[n_cols] = {D7, D6, D5, D4};
char KeyArray[11];
String KeyArrayString;
Keypad myKeypad = Keypad( makeKeymap(keys), rowPins, colPins, n_rows, n_cols);
void setup(){
Serial.begin(115200);
pinMode(led,OUTPUT);
digitalWrite(led,HIGH);
Servo1.attach(servoPin); // We need to attach the servo to the used pin number
Servo1.write(120); // Make servo go to 0 degrees
}
int i=0;
void loop(){
char myKey = myKeypad.getKey();
if (KeyArrayString==answer){
Servo1.write(0);
digitalWrite(led,LOW);
exit;
}
else if (myKey != NULL && KeyArray[11] == NULL && String(myKey) != "C"){
KeyArray[i]=myKey;
KeyArrayString=String(KeyArray);
Serial.print("Key: ");
Serial.println(KeyArrayString);
i++;
}
else if (KeyArray[11] != NULL || String(myKey) == "C" ){
i=0;
digitalWrite(led,LOW);
delay(500);
digitalWrite(led,HIGH);
delay(500);
digitalWrite(led,LOW);
delay(500);
digitalWrite(led,HIGH);
delay(500);
digitalWrite(led,LOW);
delay(500);
digitalWrite(led,HIGH);
for (int x=0; x<=11; x++){
KeyArray[x]=NULL;
}
}
}
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