#include <ESP32Servo.h>  
 Servo s1;  
 int val = 0 ;  
 int va2 = 0 ;  
 void setup()  
 {  
   Serial.begin(9600); 
   pinMode(2,INPUT);  
   pinMode(4,INPUT); 
   s1.attach(27);    
   s1.write(0);  
 }  
 void loop()   
 {  
  val = digitalRead(2);
  va2 = digitalRead(4); 
  Serial.println(val); 
  Serial.println(va2);
  delay(10);       
  if(val == 1 )  
   {  
   s1.write(0); // SERVO 0 DEGREE  
   }  
  if(va2 == 1 )  
   {  
   s1.write(90); // SERVO 90 DEGREE  
   }  
  }