#define LDR 2
#define REDLight 7
#define GREENLight 8

float LDRval = 0;
float sunny = 0; // calibrate sensor value WHEN LIGHT
float dark = 1024; // calibrate sensor value WHEN DARK
float treshold = 50; // define treshold to turn lights ON or OFF

#include <SoftwareSerial.h>

SoftwareSerial mySerial(0, 1); // RX, TX (0 y 1)


void setup() {
  
   mySerial.begin(9600);

    
   pinMode(LDR, INPUT);
   pinMode(6, OUTPUT);
   pinMode(8, OUTPUT);
}

void loop() {

  if (analogRead(LDR) < 500) {
    digitalWrite(7,HIGH);
    digitalWrite(8,LOW);   

  } else {
    digitalWrite(7,LOW);
    digitalWrite(8,HIGH);   

  }

  LDRval = map(analogRead(LDR),sunny,dark,0,100);
  
  mySerial.print("LDR Read: ");
  mySerial.print(analogRead(LDR));
  mySerial.print(" Light Percent: ");
  mySerial.print(LDRval);
  mySerial.println(" %");



}