#include <Servo.h> 
 
Servo botservo;  
Servo midservo; 
Servo topservo;
 
int botpos;
int botpin = 0;
int midpos;
int midpin = 1;
int toppos;
int toppin = 2;
int pause = 15;

void setup() 
{ 

  botservo.attach(9);
  midservo.attach(10);
  topservo.attach(11); 
} 

void loop(){

int botval = analogRead(botpin);
botval = map(botval, 0, 1023, 0, 180);
 
 if (botpos != botval && botpos < botval) {
   
   botpos = botpos ++;
   botservo.write(botpos);
   delay(pause);
 }
    else if (botpos > botval)
   {
     botpos = botpos --;
     botservo.write(botpos);
     delay(pause);
   }

int midval = analogRead(midpin);
midval = map(midval, 0, 1023, 0, 180);
 
 if (midpos != midval && midpos < midval) {
   
   midpos = midpos ++;
   midservo.write(midpos);
   delay(pause);
 }
    else if (midpos > midval)
   {
     midpos = midpos --;
     midservo.write(midpos);
     delay(pause);
   }


int topval = analogRead(toppin);
topval = map(topval, 0, 1023, 0, 180);
 
 if (toppos != topval && toppos < topval) {
   
   toppos = toppos ++;
   topservo.write(toppos);
   delay(pause);
 }
    else if (toppos > topval)
   {
     toppos = toppos --;
     topservo.write(toppos);
     delay(pause);
   }

}