International Journal of Applied Science - Research and Review Open Access

  • ISSN: 2394-9988
  • Journal h-index: 10
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Opinion Article - (2023) Volume 10, Issue 3

Design and Construction of a Password Based Circuit Breaker
Jie Song*
Department of Computer Science, University of Jakarta, Indonesia
*Correspondence: Jie Song, Department of Computer Science, University of Jakarta, Indonesia, Email:

Received: 31-May-2023, Manuscript No. IPIAS-23-17085; Editor assigned: 02-Jun-2023, Pre QC No. IPIAS-23-17085 (PQ); Reviewed: 16-Jun-2023, QC No. IPIAS-23-17085; Revised: 21-Jun-2023, Manuscript No. IPIAS-23-17085 (R); Published: 28-Jun-2023, DOI: 10.36648/2394-9988-10.3.29


A password-based circuit breaker is a security device designed to protect electrical circuits from unauthorized access and potential damage. It serves as an additional layer of security for sensitive electrical systems, such as home automation systems, industrial machinery, and critical infrastructure. This article explores the design and construction of a password-based circuit breaker, outlining the key components and considerations to ensure a reliable and effective system. Microcontroller Unit (MCU) IS the heart of the password-based circuit breaker is an MCU, typically an Arduino or a Raspberry Pi. The MCU processes input from the user, manages the password database, and controls the circuit breaker’s operation. Keypad is the circuit breaker is equipped with a keypad for users to enter their password. The keypad can be a membrane keypad or a numeric keypad, depending on the complexity of the password. A display module, such as an LCD or OLED screen, provides visual feedback to the user, such as prompting for the password and displaying system status. The solenoid actuator is responsible for physically tripping or resetting the circuit breaker when the correct password is entered.


Password Database is the MCU stores the authorized passwords in a secure database, typically in non-volatile memory (EEPROM). The database may also include additional features, such as password change functionality. Power Supply is the circuit breaker requires a stable power supply to ensure continuous operation and prevent unauthorized access in case of power loss. Design and Construction Step is the Define System Requirements: Identify the target application and the specific requirements for the password-based circuit breaker. Consider factors like the number of users, password complexity, and the maximum number of incorrect password attempts before locking out the system. Choose the Microcontroller is the Select an appropriate MCU based on the requirements and consider factors such as processing power, I/O capabilities, and ease of programming. Design the Password Entry Interface: Is the Integrate the keypad and display module with the MCU to create a user-friendly password entry interface. Ensure that the password entry process is intuitive and secure.

Develop a robust password verification algorithm that compares the entered password with the stored passwords in the database. Implement security measures, such as password hashing, to protect the passwords from unauthorized access. Develop the circuit breaker control logic to activate the solenoid actuator when the correct password is entered. Ensure that the solenoid mechanism can safely trip and reset the circuit breaker. To prevent brute-force attacks or unauthorized access attempts, include security features like a maximum number of password attempts before locking out the system for a specific time period.Thoroughly test the password- based circuit breaker under various scenarios, including correct password entry, incorrect password attempts, and power loss situations. Debug and refine the system as necessary. House the circuit breaker and its components in a secure and durable enclosure to protect it from physical tampering and environmental factors. Properly insulate high-voltage components to ensure user safety. Provide clear and concise user instructions on how to operate the password-based circuit breaker, including password setup and resetting procedures.


The design and construction of a password-based circuit breaker involve combining various components, including an MCU, keypad, display, solenoid actuator, and a secure password database. By implementing robust security features and following best practices, the circuit breaker can offer reliable protection for electrical circuits from unauthorized access. Regular updates and ongoing security assessments are crucial to ensure the system remains effective against emerging threats. As password-based circuit breakers continue to evolve, they play a vital role in enhancing the security of electrical systems in various applications.

Citation: Song J (2023) Design and Construction of a Password Based Circuit Breaker. Int J Appl Sci Res Rev 10:29.

Copyright: ©2023 Song J. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.