Code for Interfacing ISD1820 Voice Recorder Module with Arduino.

ISD1820_Voice_Recorder_Arduino.ino

int rec=2;
int play=3;
int sensor=4;
int led=13;

void setup() 
{
pinMode(rec,OUTPUT);
pinMode(play,OUTPUT);
pinMode(led,OUTPUT);
pinMode(sensor,INPUT);

digitalWrite(rec,LOW);
digitalWrite(play,LOW);
digitalWrite(led,LOW);
if(digitalRead(sensor))
{
 while(digitalRead(sensor));
}
}

void loop() 
{

if(digitalRead(sensor))
{
  digitalWrite(led,HIGH);
  digitalWrite(rec,HIGH);
  delay(5000);
  digitalWrite(led,LOW);
  digitalWrite(rec,LOW);
  delay(1000);
  digitalWrite(play,HIGH);
  delay(6000);
  digitalWrite(play,LOW);
  while(digitalRead(sensor));
}
}