#include <SoftwareSerial.h>
int sensorPin = A7; /*  select the input pin for LDR */
int sensorValue = 0; /*  variable to store the value coming from the sensor */
int LEDPin = 6;

#define PIN_SRX 5
#define PIN_STX 3
SoftwareSerial softSerial(PIN_SRX, PIN_STX);

void setup(void) 
{ 
  pinMode(sensorPin, INPUT);
  pinMode(LEDPin, OUTPUT);
  softSerial.begin(9600);  /* start serial port */
 
} 


void loop(void) 
{ 

sensorValue = analogRead(sensorPin); //Read data from analog pin and store it to value variable

 // Determine the values
 
  softSerial.print("LDR Value = ");
  softSerial.println(sensorValue);
  
  if (sensorValue < 500) {
    softSerial.println("DARK IN HERE!");
  }
  else{
    softSerial.println("BRIGHT IN HERE!");
  }
  
  sensorValue = map(sensorValue,0,1000,0,255);
  analogWrite(LEDPin, sensorValue);
  delay(1000);
}