Design of an Arduino-Based Robot Car Metal Detector Using Design Thinking Approach

Mohd Amir Hamzah bin Ab Ghani., Muhammad Haris Bin Effandi., Dr. Mohamad Yusof Bin Mat Zain., Abdul Hafiz Bin Kassim., Shaiful Bakhtiar Bin Hashim. and Raja Mohd Noorhafizi Bin Raja Daud
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Mohd Amir Hamzah bin Ab Ghani.: Faculty of Electrical Engineering
Muhammad Haris Bin Effandi.: Faculty of Electrical Engineering
Dr. Mohamad Yusof Bin Mat Zain.: Faculty of Electrical Engineering
Abdul Hafiz Bin Kassim.: Faculty of Electrical Engineering
Shaiful Bakhtiar Bin Hashim.: Faculty of Electrical Engineering
Raja Mohd Noorhafizi Bin Raja Daud: Faculty of Electrical Engineering

International Journal of Research and Innovation in Social Science, 2025, vol. 9, issue 24, 843-845

Abstract: This paper presents the design and development of an Arduino-based metal-detecting robot controlled via a smartphone for Electrical Engineering student’s Final Year Project (FYP). The development used the design thinking approach. The project aimed to create a low-cost and user-friendly robotic system that helps minimizing human exposure to hazardous metal detection procedure. Following the design thinking framework, the process began with empathizing with the user needs in dangerous environments and defining the challenges of creating a safe metal detection system. Ideation led to the integration of key components including an Arduino microcontroller, Bluetooth module, motor driver, and metal detector to build a functional prototype. Prototyping and iterative testing enabled refinement of the robot's capabilities and limitation, such as real-time feedback through a buzzer upon detecting metal objects within certain range. The study uncovered limitations in detection range, battery life, and obstacle avoidance, leading to further adjustment focused on enhancing functionality and adaptability. This human-driven approach emphasized the importance of continuous innovation based on user feedback and technical constraints. The findings demonstrate the potential of design thinking in robotics development, encouraging solutions tailored for practical implementation in industrial safety and education, with future improvements in mind to increase versatility and performance reliability.

Date: 2025
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