#define BLYNK_PRINT Serial

#define BLYNK_USE_DIRECT_CONNECT

#include <BlynkSimpleEsp32_BLE.h>
#include <BLEDevice.h>
#include <BLEServer.h>


#include <ESP32Servo.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "Your Auth Token";


Servo servo1;  // rolled paper
Servo servo2;  // magnet
Servo servo3;  // slope


BLYNK_WRITE(V2)
{
  servo2.write(param.asInt());   // magnet control by Blynk
}



void setup() {


  pinMode(35, INPUT);  // generator speed
  pinMode(34, INPUT);  // slope photorefrector

  pinMode(4, OUTPUT);   // rolled paper
  pinMode(14, OUTPUT);  // slope servo
  pinMode(15, OUTPUT);  // SSR for generator coil switching

  servo1.attach(4);
  servo3.attach(14);


  {
    // Debug console
    Serial.begin(9600);
    Serial.println("Waiting for connections...");

    Blynk.setDeviceName("Blynk");

    Blynk.begin(auth);

    servo2.attach(12);  // magnet control by Blynk

  }


}

void loop()

{
  Blynk.run();

  int val1 = analogRead(35);  // generator speed
  int val3 = analogRead(34);  // slope photorefrector

  int angle1 = map(val1, 0, 3600, 90, 180);  // generator speed
//  int angle3 = map(val3, 0, 4095, 140, 178);  // slope photorefrector


  servo1.write(angle1); // rolled paper speed by generator speed

  if (val3 < 2000) {
    digitalWrite(15, HIGH);
    servo3.write(140);  // slope high
  } else {
    digitalWrite(15, LOW);
    servo3.write(178);  // slope low
  }


}