Esp8266 Blynk joystick controlled car iot

#define BLYNK_TEMPLATE_ID "TMPLFE9ZetHp"

#define BLYNK_DEVICE_NAME "Quickstart Template"

#define BLYNK_AUTH_TOKEN "xFve4e_c4es_fWjAfHO4SxYssp7yV7bf"

#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>

#include <BlynkSimpleEsp8266.h>

#include<Servo.h>

#define PWMA  D1       

#define DIRA  D3             

#define PWMB  D2                 

#define DIRB  D4  

Servo servo;

int x,y,z;

int minRange=312;

int maxRange=712;

char auth[] = BLYNK_AUTH_TOKEN;

// Your WiFi credentials.

// Set password to "" for open networks.

char ssid[] = "Ghost Rider";//"Ghost Rider"; Your Wifi's name

char pass[] = "1984Nvdt";//"1984Nvdt";Your password Wifi

BlynkTimer timer;

void moveControl(int x, int y)

{  //No Move

    if(y < maxRange && y > minRange && x < maxRange && x > minRange)

    {

     analogWrite(PWMA, 0);

     analogWrite(PWMB, 0);

    }

//Move Forward

    else if(y >= maxRange && x >= minRange && x<= maxRange)

    {

    //Serial.println("Tiến");

    analogWrite(PWMA, y);

    analogWrite(PWMB, y);

    digitalWrite(DIRA, HIGH);

    digitalWrite(DIRB, HIGH);

    }

//Move Forward Right

    else if(x >= maxRange && y >= maxRange)

    {   

     analogWrite(PWMA,y);

     analogWrite(PWMB,y);

     digitalWrite(DIRA, HIGH);

     digitalWrite(DIRB, LOW); 

    }

//Move Forward Left

    else if(x <= minRange && y >= maxRange)

    {

     analogWrite(PWMA,y);

     analogWrite(PWMB,y);

     digitalWrite(DIRA, LOW);

     digitalWrite(DIRB, HIGH);

    }

//Move Backward

    else if(y <= minRange && x >= minRange && x <= maxRange)

    {  

     analogWrite(PWMA, y);

     analogWrite(PWMB, y);

     digitalWrite(DIRA, LOW);

     digitalWrite(DIRB, LOW);

    }

}

void setup()

{

  // Debug console

   Serial.begin(9600);

   Blynk.begin(auth, ssid, pass);

  // timer.setInterval(1000L, myTimerEvent);

  //khai báo các chân  analog điều khiển tốc độ

  pinMode(PWMA, OUTPUT);

  pinMode(DIRA, OUTPUT);

  pinMode(PWMB, OUTPUT);

  pinMode(DIRB, OUTPUT);

  analogWrite(PWMA, 0);

  analogWrite(PWMB, 0);   

  servo.attach(13); // NodeMCU D7 pin

}

void loop()

{

  Blynk.run();

  timer.run();

}

BLYNK_WRITE(V6)

{

  servo.write(param.asInt());

}

BLYNK_WRITE(V4)

{

    x = param[0].asInt();

    moveControl(x,y);      

}

BLYNK_WRITE(V5)

{

    y = param[0].asInt();

    moveControl(x,y);      

}