#define PUMP_PIN D2
#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <SimpleTimer.h>
char auth[] = "bfd3ac0104f24a9884ac843db6be012a";
char ssid[] = "20012";
char pass[] = "12345678";

long dt=0;
int pinValue;
SimpleTimer timer;
void turnOn(){digitalWrite(PUMP_PIN,1);Blynk.virtualWrite(V0, 1);}
void turnOff(){digitalWrite(PUMP_PIN,0);Blynk.virtualWrite(V0, 0);}

BLYNK_WRITE(V0)
{
  int pinValue0 = param.asInt();
  Serial.print("V0 Slider value is: ");
  Serial.println(pinValue0);
  if(pinValue0 && pinValue>0){
    turnOn();
    dt=pinValue*29000;
    timer.setTimeout(dt, turnOff);
    }
}

BLYNK_WRITE(V1)
{
   pinValue = param.asInt();
  Serial.print("V1 Slider value is: ");
  Serial.println(pinValue);
}

void setup()
{
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
}

void loop()
{
  timer.run();
  Blynk.run();
}