automatic street light

* code *

#define sensorpin  A0

int sensorvalue = 0;  

#define signalpin  7

#define led1 13

void setup()

{

  pinMode(sensorpin,INPUT);

  pinMode(signalpin,OUTPUT);

  pinMode(led1,OUTPUT);

  Serial.begin(9600);

}

void loop()

{

  sensorvalue = analogRead(sensorpin);

  int level = map(sensorvalue,1024,0,255,0);

  analogWrite(led1,level);

  Serial.println(level);

  if(sensorvalue <= 235)

  {

    digitalWrite(7,HIGH);

    //Serial.println("LED IS ON...");

  }

  else

  {

    digitalWrite(7,LOW);

    //Serial.println("LED IS OFF");

  }

}