#define BLYNK_TEMPLATE_ID "TMPL5Ur8yoOq"
#define BLYNK_DEVICE_NAME "Smart plug"
#define BLYNK_AUTH_TOKEN "SjwLo63FJQYbZ4f-73hvgdp2EDluG4xy"

#define BLYNK_PRINT Serial

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

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define sw1 19 //D19
#define sw2 18//D18
#define sw3 05//D5
#define sw4 4//D4

#define re1 27//D27
#define re2 14//D14
#define re3 12//D12
#define re4 13//D13

int dtre1=0;
int dtre2=0;
int dtre3=0;
int dtre4=0;

BLYNK_WRITE(V1)
{int val = param. asInt();
 digitalWrite(re1,val);
  dtre1 = val;
  Serial.print("Relay1  ");
   Serial.println(dtre1);
    }
BLYNK_WRITE(V2)
{int val = param. asInt();
 digitalWrite(re2,val);
  dtre2 = val;
     Serial.print("Relay2  ");
   Serial.println(dtre2);
    }
BLYNK_WRITE(V3)
{int val = param. asInt();
 digitalWrite(re3,val);
  dtre3 = val;
  Serial.print("Relay3  ");
   Serial.println(dtre3);
    }
BLYNK_WRITE(V4)
{int val = param. asInt();
 digitalWrite(re4,val);
  dtre4 = val;
  Serial.print("Relay4  ");
   Serial.println(dtre4);
    }

void setup(){

  // Debug console
  Serial.begin(115200);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  Serial.begin(115200);
  pinMode(sw1,INPUT_PULLUP);
  pinMode(sw2,INPUT_PULLUP);
  pinMode(sw3,INPUT_PULLUP);
  pinMode(sw4,INPUT_PULLUP);
  pinMode(re1,OUTPUT);
  pinMode(re2,OUTPUT);
  pinMode(re3,OUTPUT);
  pinMode(re4,OUTPUT);
 }

void loop() {  
  
  Blynk.run();
   
  if(digitalRead(sw1) == 0) {
    
    dtre1 = !dtre1;
     Blynk.virtualWrite(V1, dtre1);
      digitalWrite(re1, dtre1);
      Serial.print("Relay1  ");
     Serial.println(dtre1);
     while(digitalRead(sw1) == 0) { delay(50); }
      
      }
      if(digitalRead(sw2) == 0) {
    
    dtre2 = !dtre2;
     Blynk.virtualWrite(V2, dtre2);
      digitalWrite(re2, dtre2);
    Serial.print("Relay2  ");
     Serial.println(dtre2);
     while(digitalRead(sw2) == 0) { delay(50); }
      
      }
      if(digitalRead(sw3) == 0) {
    
    dtre3 = !dtre3;
     Blynk.virtualWrite(V3, dtre3);
      digitalWrite(re3, dtre3);
      Serial.print("Relay3  ");
     Serial.println(dtre3);
     while(digitalRead(sw3) == 0) { delay(50); }
      
      }
      if(digitalRead(sw4) == 0) {
    
    dtre4 = !dtre4;
     Blynk.virtualWrite(V4, dtre4);
      digitalWrite(re4, dtre4);
      Serial.print("Relay4  ");
     Serial.println(dtre4);
     while(digitalRead(sw4) == 0) { delay(50); }
      
      }
     
      


      }