#include <avr/io.h>// Libraries previously installed
#include <util/delay.h>
#include <SoftwareSerial.h>

static uint16_t up, down;         // extracted from Neil Program
static uint16_t arriba, abajo;

SoftwareSerial mySerial(9, 5);

void setup() {
  pinMode(A2, OUTPUT); // Declaring the first sensor pin out from my board
  mySerial.begin(4800);
  //mySerial.println("Hello, world?");
}
void loop() {
  up = 0; // initial value for the states of sensor to up to 0
  down = 0; // initial value to 0 for down
  for (int count = 0; count < 100; ++count) {
    _delay_us(100);
    digitalWrite(A2, 1); //the pin out and his state
    arriba = analogRead(A3);
    up += arriba;
    _delay_us(100);
    digitalWrite(A2, 0);
    abajo = analogRead(A3);
    down += abajo;}
    
  arriba = 0;
  abajo = 0;
  arriba = analogRead(A4);
  _delay_us(100);

  if (arriba > 600) {
    mySerial.println(arriba);
  }


  _delay_ms(500);
}