LDR sensor with Arduino

1int sensor;
2
3void setup()
4{
5  Serial.begin(9600);
6  pinMode(2,OUTPUT);
7}
8
9void  loop()
10{
11  sensor=analogRead(A0);
12
13 Serial.print("SENSOR VALUE=");
14  Serial.println(sensor);
15 delay(300);
16
17 if(sensor<30)
18 {
19  digitalWrite(2,HIGH);  
20 }
21 else
22 {
23  digitalWrite(2,LOW);
24 }
25}
26

1int sensor;
2
3void setup()
4{
5  Serial.begin(9600);
6  pinMode(2,OUTPUT);
7}
8
9void
10  loop()
11{
12  sensor=analogRead(A0);
13
14 Serial.print("SENSOR VALUE=");
15
16  Serial.println(sensor);
17 delay(300);
18
19 if(sensor<30)
20 {
21  digitalWrite(2,HIGH);
22  
23 }
24 else
25 {
26  digitalWrite(2,LOW);
27 }
28}
29