Arduino Controlled Robotics Arm

Circuit for this project:

Programming to control it:

//  letsarduino.com
//  [Project 23] - Arduino Controlled Robotic Arm - 6 SERVO Motors

#include<Servo.h>
Servo servo_1;
Servo servo_2;
Servo servo_3;
Servo servo_4;
Servo servo_5;
int pos = 0;

void setup()
{ 
servo_1.attach(1);
servo_2.attach(2);
servo_3.attach(3);
servo_4.attach(4);
servo_5.attach(5); 

} 

void loop()
{
  servo_1.write(180);
 delay(1000);
 
   for(pos = 90; pos>=23; pos-=1)
 { 
  servo_2.write(pos);
 delay(30);
 }
  servo_3.write(100);
 delay(1000);
  
   for(pos =45; pos < 175; pos += 1)
 { 
  servo_4.write(pos);
 delay(20);
 } 
 
 delay(1000);
  servo_5.write(10);
 delay(1000);
  
   for(pos = 175; pos>=90; pos-=1)
 { 
  servo_4.write(pos);
 delay(20);
 }
   
   servo_2.write(90);
 delay(2000);  
    
   servo_1.write(90);
 delay(1000);

   for(pos = 90; pos>=23; pos-=1)
 { 
   servo_2.write(pos);
 delay(30);
 }

   servo_3.write(100);
 delay(1000);
 
   for(pos =90; pos < 175; pos += 1)
 { 
   servo_4.write(pos);
 delay(15);
 }
 
 delay(1000);
   servo_5.write(30);
 delay(1000); 

 delay(1000);
    for(pos = 175; pos>=45; pos-=1)
 { 
   servo_4.write(pos);
 delay(20);
 } 
   
   servo_2.write(90);
 delay(1000);
}