마이크로웨이브 모션감지 센서인데 이게 주변 물체의 가속도가 클수록 큰 값이 나오거든요 그래서 일정 값이 상 나올때  
led불이 켜지는 방식으로 만들어 보고싶어서 코딩좀 부탁드립니다. 일정값의 세팅은 55로 부탁드립니다.
 
 
#include <MsTimer2.h>           //Timer interrupt function library
int pbIn = 0;                    // Define interrupt 0 that is digital pin 2
int ledOut = 13;                 // Define the indicator LED pin digital pin 13
int number=0;                    //Interrupt times
volatile int state = LOW;         // Defines the indicator LED state, the default is not bright
 
void setup()
{
     Serial.begin(9600);
     pinMode(ledOut, OUTPUT);//
     attachInterrupt(pbIn, stateChange, FALLING); // Set the interrupt function, interrupt pin is digital pin D2, interrupt service function is stateChange (), when the D2 power change from high to low , the trigger interrupt.
     MsTimer2::set(1000, Handle); // Set the timer interrupt function, running once Handle() function per 1000ms
     MsTimer2::start();//Start timer interrupt function
 
}
 
void loop()
{
Serial.println(number); // Printing the number of times of interruption, which is convenient for debugging.
    delay(1);
    if(state == HIGH)  //When a moving object is detected, the ledout is automatically closed after the light 2S, the next trigger can be carried out, and No need to reset. Convenient debugging.
    {
        delay(2000);
        state = LOW;
        digitalWrite(ledOut, state);    //turn off led
    }
 
 }
 
 
void stateChange()  //Interrupt service function
{
  number++;  //Interrupted once, the number + 1
 
}
 
void Handle()   //Timer service function
{
    if(number>1)  //If in the set of the interrupt time the number more than 1 times, then means have detect moving objects,This value can be adjusted according to the actual situation, which is equivalent to adjust the threshold of detection speed of moving objects.
         {
                   state = HIGH;
                   digitalWrite(ledOut, state);    //light led
                   number=0;   //Cleare the number, so that it does not affect the next trigger
         }
        else
              number=0;   //If in the setting of the interrupt time, the number of the interrupt is not reached the threshold value, it is not detected the moving objects, Cleare the number.
}