A robotic arm is a type of mechanical arm, usually programmable, with similar functions to a human arm; the arm may be the sum total of the mechanism or may be part of a more complex robot.

1. Poly(methyl methacrylate)
2. SG90 9G Servo Motor Mini
3. Arduino Uno R3 or PIC16F877A
4. 22pF Condenser
5. Crystal Oscillator
6. Jumper Cable
7. Potentiometer
8. Breadboard

Circuit of Robotic Arm - 1

Circuit of Robotic Arm - 2

Servo Motor on Robotic Arm