hello guys..this is our project in robotics.. https://www.instructables.com/id/Micro-Servo-Robotic-Arm-Arduino-Based-Using-10k-Pot this link will help you to make this project. and even this link to below can help easily to make and build this project. https://www.youtube.com/watch?v=jLsg2Y5bibs&t=27s soooo.. follow our channel s-r tronics on you tube and https://www.facebook.com/rajatsukanto/ and subscribe our channel to stay tune with us and likes also.. and do comment in inbox.