#include<Servo.h>

Servo base;
Servo right;
Servo left;
Servo grabber;


void setup() {
  base.attach(12);
  right.attach(11);
  left.attach(10);
  grabber.attach(13);
  // put your setup code here, to run once:

}

void loop() {
  for(int i=0;i<180;i++){
     if(i>=0&&i<=180){
      
    base.write(i);
     delay(10);
     }
    if(i>=60&&i<=160){
    
      right.write(i);
      delay(10);
    }
    if(i>=60&&i<=160){
    left.write(i);
    delay(10);
    }
    if(i>=0&&i<180){
      grabber.write(i);
      delay(10);
    }
// 

    
  
  }
  for(int i=180;i>0;i--){
    if(i<=180&&i>=0){
      base.write(i);
      delay(10);
    }
    if(i<=180&&i>=0){
      right.write(i);
      delay(10);
    }
    if(i<=160&&i>=60){
      left.write(i);
      delay(10);
    
    }
     if(i<=180&&i>=0){
      grabber.write(i);
      delay(10);
     }
  // put your main code here, to run repeatedly:

}
}