// fab12_disp_data.ino
//
// receive data on serial port
//                                                                         

#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

char str[10];

// Get auth token from Blynk app
char auth[] = "d79215fe92c241f882cfb4f275d534f9";
char ssid[] = "@AIRPORT_FREE_WIFI";
char pass[] = "boots798busta";

BlynkTimer timer;

// This function will run once every second
void timerEvent()
{
  // You can send any value at any time.
  // Please don't send more that 10 values per second.
  if (Serial.available() > 0) {
    Serial.readBytes(str, 5);  // read incoming bytes
  }
  else {
    itoa(-1, str, 10);  // display -1 if no data available
  }
  Blynk.virtualWrite(V5, str);  // Write to virtual pin 5
  Serial.println(str);  // Send to serial monitor for debugging
}

void setup()
{
  Serial.begin(9600);  // Debug console
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1000L, timerEvent);  // Call every second
}

void loop()
{
  Blynk.run();
  timer.run(); // Initiate BlynkTimer
}