#include <EEPROM.h>
string default_password=[30004];
String pass;
void setup() {

  Serial.begin(9600);             
  pinMode(sensor, INPUT);
  Serial.print("Password?");       //checking default password
   while (count < 6)
   {
    char key = getKey();
    if (key != 0)
    {-
      Serial.print(key);
      pass= pass + key;
      count += 1;
    }
  }

    if (pass == default_password])
    {
      access = true;
      break;
    }
  }
  if (access == true)
  {
    Serial.println("Password correct");
  }
  else { 
    Serial.println("Incorrect Password");
  }
  delay(500);

  void menu();      //printing menu on screen

}

void loop() {
  // put your main code here, to run repeatedly:

}

void menu()
{
  Serial.println("The menu");
  Serial.println("1: Read and write");
  Serial.println("2: Data from the sensor");
  Serial.println("Enter the option no.= ")
  
  while(!Serial.available()){}
  int i = Serial.parseInt();
  switch (i)
  {
    case '1': 
    read_write();
    break;
    case'2': 
    sensor_data(); 
    break;
    default: continue;
  }
}

void read_write();
{
  Serial.print("Change member's passcode");
  Serial.println("Select the user from 1-3.Enter user no.:");
  int j= Serial.parseInt();
  switch(j){
    case 1:
    Serial.print("Enter new password:");
    while (count<9){
      char key=getkey();
    }
    Serial.readString(key);
    EEPROM.write(passCodes[1],key);
    Serial.println("Password change");
    delay(100);

    case 2:
    Serial.print("Enter new password:");
    while (count<9){
      char key=getkey();
    }
    Serial.readString(key);
    EEPROM.write(passCodes[2],key);
    Serial.println("Password change");
    delay(100);

   case 3:
    Serial.print("Enter new password:");
    while (count<9){
      char key=getkey();
    }
    Serial.readString(key);
    EEPROM.write(passCodes[3],key);
    Serial.println("Password change");
    delay(100);

  }
}

void sensor_data()
{
  const int sensor=A0;
float temp_c;
float temp_f;
float result;

  result= analogRead(sensor);
  result=(result+500)/1023;
  temp_c=result; // celcius degree
  temp_f=(result*1.8)-32; //Farehneit degree
  Serial.println("Temperature in Celcius Degree=");
  Serial.println(temp_c);
  Serial.println("Temperature in Farenherit=");
  Serial.println(temp_f);
  Serial.println("");
  delay(3000);


}