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

void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
gate.attach(3);
pinMode(PIR, INPUT);
pinMode(RLED, OUTPUT);
pinMode(GLED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
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);
  digitalWrite(RLED, HIGH);
  digitalWrite(GLED, LOW);
}
}