⦁ Glue an ice cream spoon to the tip of a potentiometer along its length. Now glue that potentiometer to the wooden piece E (25cm x 25cm) .

⦁ This would serve as the controller of the base of the robotic arm.

⦁ At the bottom of that ice cream spoon fix the base of another potentiometer.

⦁ Stick an ice cream spoon at the tip of that potentiometer. This would act as the controller of jaw of the robotic arm.

⦁ Now glue a potentiometer at the top of the ice cream spoon and insert another spoon to the tip of the potentiometer.

⦁ Glue the base of a potentiometer to that spoon.

⦁ Insert another stick at the tip of the potentiometer.

⦁ This would be the prototype arm which will act as the controller for our robotic arm.