#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>        
#include <SimpleTimer.h>
SimpleTimer timer;
  char auth[] = "YjHxZ9N2JvJW-gVd75tbXOjAr0Fuyf5_";
  char ssid[] = "TEKY OFFICE";
  char pass[] = "Teky@2018";
int n;
#define IN1 5
#define IN2 4
#define IN3 12
#define IN4 13
#define maxspeed 255
#define minspeed 0
void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass, "blynk-server.com",8080);
pinMode(IN1,OUTPUT);
 pinMode(IN2,OUTPUT);
  pinMode(15,OUTPUT);
  pinMode(5,OUTPUT);
 timer.setInterval(1000L, sendUptime);
}

void sendUptime()
{
Blynk.virtualWrite(V7, n);
}

void loop() {
  Blynk.run();
  timer.run();
  
  n=analogRead(A0);
  Serial.println(n);

if(n>500)
  {
     digitalWrite(15,HIGH);
    //digitalWrite(5,HIGH);   
  }
  
  if(n<500)
  {
      digitalWrite(15,LOW);
      //digitalWrite(5,LOW);
  }
}

BLYNK_WRITE(V1) {
  int pinValue = param.asInt();
    int speed = constrain (speed, minspeed, maxspeed);
 if(pinValue==1) {
  analogWrite(IN1,255-speed);
   analogWrite(IN4,255-speed); 

  }
  else{
  analogWrite(IN4,minspeed);
  analogWrite(IN1,minspeed); 
   }
}
BLYNK_WRITE(V2) {
  int pinValue2 = param.asInt();
    int speed = constrain (speed, minspeed, maxspeed);
 if(pinValue2==1) {
  analogWrite(IN1,minspeed);
   analogWrite(IN2,255-speed); 

  }
  else{
  analogWrite(IN2,minspeed);
  analogWrite(IN1,minspeed); 
   }
}

BLYNK_WRITE(V3) {
  int pinValue3 = param.asInt();
    int speed = constrain (speed, minspeed, maxspeed);
 if(pinValue3==1) {
  analogWrite(IN3,255-speed);
   analogWrite(IN4,minspeed); 

  }
  else{
  analogWrite(IN4,minspeed);
  analogWrite(IN3,minspeed); 
   }
}
BLYNK_WRITE(V4) {
  int pinValue4 = param.asInt();
    int speed = constrain (speed, minspeed, maxspeed);
 if(pinValue4==1) {
  analogWrite(IN3,255-speed);
   analogWrite(IN2,255-speed); 

  }
  else{
  analogWrite(IN2,minspeed);
  analogWrite(IN3,minspeed); 
   }
}
BLYNK_WRITE(V5) {
  int pinValue5 = param.asInt();
    int speed = constrain (speed, minspeed, maxspeed);
 if(pinValue5==1) {
  analogWrite(IN2,minspeed);
   analogWrite(IN1,255-speed); 

  }
  else{
  analogWrite(IN1,minspeed);
  analogWrite(IN2,minspeed); 
   }
}

BLYNK_WRITE(V6) {
  int pinValue6 = param.asInt();
    int speed = constrain (speed, minspeed, maxspeed);
 if(pinValue6==1) {
  analogWrite(IN4,255-speed);
   analogWrite(IN3,minspeed); 

  }
  else{
  analogWrite(IN3,minspeed);
  analogWrite(IN4,minspeed); 
   }
}