Mini robotic arm for educational purpose

The rapid advancements in robotics have increased the demand for hands-on educational tools that enhance students' understanding of automation, control systems, and programming. However, many existing robotic arms are either too expensive or too complex for beginners, limiting accessibility in educational settings. To address this issue, this project focuses on the design and fabrication of a mini robotic arm with six degrees of freedom (DOF) for educational purposes. The methodology involves the design of mechanical components, selection of appropriate servo motors, electronic circuit integration, and programming using Arduino IDE. The robotic arm is constructed from aluminum, ensuring durability while maintaining a lightweight structure. It is powered by servo motors for precise movement and is controlled via an Arduino microcontroller, making it an ideal platform for learning embedded systems and robotics programming. The system is operated using a 3-axis analog controller, providing an intuitive and user-friendly interface for students to manipulate the arm in real-time. The performance of the robotic arm is evaluated based on movement accuracy, response time, and ease of control. The results indicate that the mini robotic arm successfully performs basic pick-and-place operations with considerable articulation and precision. It provides an affordable and effective tool for students to explore robotics concepts, motion control, and automation techniques. Future improvements may include integrating sensors for enhanced functionality and expanding control options through wireless connectivity.