//----------------Source: https://www.youtube.com/watch?v=PREuRLeK9ig


#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

char ssid[] = "Airtel_9119690127"; // Network Name (with internet access)
char pass[] = "air31105"; // Network Password
char auth[] = "Irfn2rY0MIOADiKXaf3aD5zayk67B5Tw"; // Blynk auth token sent to registered email

BLYNK_WRITE(V1)
{
  int pinval = param.asInt();
  analogWrite(D2,pinval);         //speed controll
}
BLYNK_WRITE(V2)
{                                                                                  
  int forward = param.asInt();
  digitalWrite(D3,forward);       // motor a forward // IN1
  digitalWrite(D5,forward);       // motor b forward // IN3
}
BLYNK_WRITE(V3)
{
  int reverse = param.asInt();
  digitalWrite(D6,reverse);       // motor a reverse // IN4
  digitalWrite(D4,reverse);       // motor b reverse // IN2
}
BLYNK_WRITE(V4)
{
  int right = param.asInt();
  digitalWrite(D5,right);         // motor a reverse // IN3
  digitalWrite(D4,right);         // motor b forward // IN2
}
BLYNK_WRITE(V5)
{
  int left = param.asInt();
  digitalWrite(D3,left);          // motor a forward // IN1
  digitalWrite(D6,left);          // motor b reverse // IN4
}
void setup()
{
  pinMode(D3,OUTPUT);   // motor a forward
  pinMode(D4,OUTPUT);   // motor a backward
  pinMode(D5,OUTPUT);   // motor b forward
  pinMode(D6,OUTPUT);   // motor b backward
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
}
void loop()
{
  Blynk.run();
}