#include <SoftwareSerial.h>
SoftwareSerial monserial(0, 1);//rx and tx
int LDR = 2;//PA2
int LED = 7;//PA7
void setup() {
  
  pinMode(LED, OUTPUT);
  pinMode(LDR,INPUT);
  monserial.begin(9600);
}

// the loop function runs over and over again forever
void loop() {
  int va=analogRead(LDR);//reading analog value
  monserial.println(va); 
  digitalWrite(LED, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(350);                       // wait for a second
  digitalWrite(LED, LOW);    // turn the LED off by making the voltage LOW
  delay(350);                       // wait for a second
}