#include <Servo.h>
Servo gate;
#define PIR 2
#define RLED 4
#define GLED 5
int value;

void setup() {
   Serial.begin(9600);
   gate.attach(3);
   pinMode(PIR, INPUT);
   pinMode(RLED, OUTPUT);
   pinMode(GLED, OUTPUT);

}

void loop() {
  value=digitalRead(PIR);
  Serial.print("PIR:");
  Serial.println(value);

  if (value==1)
  {
    gate.write(0);//GATE OPEN
    digitalWrite(RLED, LOW);
    digitalWrite(GLED, HIGH);
  }
else
{
    gate.write(90);//GATE CLOSE
    digitalWrite(RLED, HIGH);
    digitalWrite(GLED, LOW);
}
}