सबसे सस्ती पर्दा स्वचालन पद्धति

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

#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
#include <ArduinoOTA.h> //OTA   OTA-

#include <AccelStepper.h>
#define motor1 D1
#define motor2 D2
#define motor3 D3
#define motor4 D4
AccelStepper Stepper1(4, D1, D2, D3, D4); 

static int buttonPin = D5;  //     
//unsigned long runTime1; //     Arduino, 
unsigned long runTime2;
int current = 20800;// -    
static bool newZeroPoint = true; //  ,      ,    .

char auth[] = "";
char ssid[] = "";
char pass[] = "";
   

void setup() {
 Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  
  pinMode(buttonPin, INPUT);
  pinMode(motor1, OUTPUT);
  pinMode(motor2, OUTPUT);
  pinMode(motor3, OUTPUT);
  pinMode(motor4, OUTPUT);
  

  ArduinoOTA.setHostname("ESP8266-00002"); //OTA    
  //ArduinoOTA.setPassword((const char *)"0000"); //OTA      
  ArduinoOTA.begin(); //OTA  OTA
        
 Stepper1.setMaxSpeed(200);     //      (/)
Stepper1.setAcceleration(180); //  (/^2)
  
}
void ZeroPoint(){
  if (newZeroPoint)
  //   .
        if (digitalRead(buttonPin)) 
      {
          //   ,       .
          Stepper1.setCurrentPosition(0);
          newZeroPoint = false;
          //Serial.println("true");
      } else
      {
        //     ,       .
        if (Stepper1.distanceToGo() == 0) {Stepper1.moveTo(Stepper1.currentPosition() + 1000);}
        Stepper1.run();
        //Serial.println("false");
      }
  }
 BLYNK_WRITE(V0)
{
  int button = param.asInt(); // read button  
  if (button == 1){ Stepper1.move(-Stepper1.currentPosition());}  
}   
      
BLYNK_WRITE(V1)
{
  int button = param.asInt(); // read button  
  if (button == 1){
    
 Stepper1.moveTo(-current);
 Stepper1.run();
 } 
}
BLYNK_WRITE(V2)
{
  int button = param.asInt(); // read button  
  if (button == 1){
  Stepper1.stop();}
 } 
     
 void Out()//             
 {
  if (Stepper1.run())
  runTime2 = millis(); 
  if (millis() - runTime2 > 5000) 
  {runTime2 = millis();
  digitalWrite (5, LOW);
  digitalWrite (4, LOW);
  digitalWrite (0, LOW);
  digitalWrite (2, LOW);
    }
}
 void loop()
{
  Blynk.run();
 Stepper1.run();
    ZeroPoint(); 
    Out();
    ArduinoOTA.handle();       
   
}