#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6HsxBBb6D"
#define BLYNK_TEMPLATE_NAME "Servo"
#define BLYNK_AUTH_TOKEN "e-G1qQaxF7Z0cPQ8W4dgiS-wyNcOWhMa"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>

WidgetLED led1(V4);
WidgetLED led2(V6);
WidgetLED led3(V7);
Servo myservo;  // create servo object to control a servo
int angle = 0;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

void servoControl(int ang)
{
  Serial.print("Angle:");
  Serial.println(ang);
  ang = map(ang,-90,90, 0,180);
  myservo.write(ang);
}

BLYNK_WRITE(V0) 
{
  angle = param.asInt();
  servoControl(angle);

  //for LED widget indicator
  if ((angle <=45) &&(angle>=-45))  {  //stop   
    led1.off();
    led2.on();
    led3.off();
  }
  else if (angle < -45) {
     led1.on();
     led2.off();
     led3.off();
  }
  else if (angle > 45){ 
     led1.off();
     led2.off();
     led3.on();
  } 
}


void setup() {
  // Debug console
  Serial.begin(115200);
  myservo.attach(18);  // attaches the servo on pin 9 to the servo object
  angle = map(angle,-90,90, 0,180);  //adjust the range of servo
  myservo.write(angle); //init servo angle at 0
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
}

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