DIY Circuit Home Security System: Dog-Inspired Motion Detection System

code.ino

#include <TMRpcm.h>    // Library for audio play from SDcard
#include <pcmConfig.h>
#include <pcmRF.h>
#include <SD.h>
#include <SPI.h>
#define SD_ChipSelectPin 10          //using digital pin 10 on arduino uno
TMRpcm tmrpcm;
void setup() {
tmrpcm.speakerPin=9;          //PWM pin 9 on Uno
Serial.begin(9600);               //Begin Arduino serial monitor
//Check card presence 
if(!SD.begin(10)){
   Serial.println("unable to read SD card");
  return;                             // Wait here until SD card detected
}  
tmrpcm.volume(5);               //Sets the volume - PWM width
delay(60000);                   //1 minute delay to give you time to lock the door
}
void loop() {
if(digitalRead(5)){                               //motion detected
  tmrpcm.play("bark.wav");
  delay(5000);
}
}