arduino home control

// library
#include <IRremote.h>
#include <Servo.h>
Servo motor;
// bin out
byte PIR=6,lamp=5,LED=3;
IRrecv recv(2);
// ather
decode_results res;
bool lampStatus=0,lampStatus2=0;
bool motorStatus=0,motorStatus2=0;
bool sensorStatus=0;
byte lampLight=0;
void setup()
{
  // settings
  pinMode(LED, OUTPUT);
  pinMode(lamp, OUTPUT);
  pinMode(PIR, INPUT);
  motor.attach(4);
  Serial.begin(9600);
  recv.enableIRIn();
  // initial condition
  digitalWrite(LED,1);
  digitalWrite(lamp,0);
  motor.write(0);
}

void loop()
{
  // read sensors
  if (sensorStatus==0){
    //photoresistor
    if (analogRead(A1)>600 && motorStatus==0){
      motorStatus=1;
      motor.write(motorStatus*90);}
    else if (analogRead(A1)<340 && motorStatus==1){
      motorStatus=0;
      motor.write(motorStatus*90);}

    //PIR
    if (digitalRead(PIR)==1 && lampStatus==0){
      lampStatus=1;
      digitalWrite(lamp,lampStatus); }
    else if (digitalRead(PIR)==0 && lampStatus==1){
      lampStatus=0;
      digitalWrite(lamp,lampStatus); }
   }
  // read IR
  if (recv.decode(&res)){
    Serial.println(res.value,HEX);

    // lamp
    if (res.value==0xFDA05F){
      lampStatus2=!lampStatus2;
      lampLight=lampStatus2*254;
      digitalWrite(lamp,lampStatus2);}
    // lamp light ++
        if (res.value==0xFD609F && lampLight<250){
        lampLight=lampLight+25;
        analogWrite(lamp,lampLight);}
    // lamp light --
        if (res.value==0xFD20DF && lampLight>25){
        lampLight=lampLight-25;
        analogWrite(lamp,lampLight);}
    // motor
    if (res.value==0xFD906F){
      motorStatus2=!motorStatus2;
      motor.write(motorStatus2*90);}
    // sensor on/off
        if (res.value==0xFD00FF){
      sensorStatus=!sensorStatus;
          if (sensorStatus==0){Serial.println("sensors on");
           digitalWrite(LED,1); }
          else {Serial.println("sensors off");
           digitalWrite(LED,0);}
        }
    recv.resume();delay(100);}
}