int value=0;
void setup()
{
// put your setup code here, to run once:
pinMode(7,INPUT); //taking 7 pin input from the sensor
Serial.begin(9600);
 }

void loop()
{
 // put your main code here, to run repeatedly:
 value=digitalRead(7); //value of the sensor
 Serial.println(value);
 delay(1000);
 }