Assembling and Testing the Logic PCB LP24

Neel PatelNeel Patel
2 min read

Introduction

As part of my second-year Computer Engineering Technology coursework, I worked on assembling and testing the Logic PCB LP24. This project involved precise component placement, careful soldering, and verification of circuit functionality. In this blog, I will share my experience, including the assembly process, key challenges, and the final testing.

Understanding the Project

The primary objective of this project was to assemble the Logic PCB LP24 with high accuracy to ensure seamless operation. This required:

  • Proper placement of components based on their schematic labels.

  • Careful attention to color bands on resistors to avoid mismatches.

  • Understanding the circuit design and working principle before soldering.

Assembly and Soldering Process

Key Steps:

  1. Component Placement: Each component was positioned based on the schematic, ensuring correct polarity and alignment.

  2. Soldering: Precision was crucial while soldering to avoid incorrect connections, which could lead to circuit failure.

  3. Error Handling: During the process, I encountered a soldering mismatch, requiring me to unsolder and resolder specific connections to ensure proper functionality.

Testing the Circuit

To validate the assembly, I conducted a test using an OR gate logic circuit:

  • Inputs: Two switches act as logic inputs.

  • Output: The circuit should produce a HIGH output when either or both switches are ON.

  • Power & Ground: Two wires provided necessary power and ground connections.

Test Cases:

  1. Turning on the first switch → Output was HIGH

  2. Turning on only the second switch → Output was HIGH

  3. Turning on both switches → Output was HIGH

  4. Both switches OFF → Output was LOW

This confirmed that the Logic PCB LP24 was functioning correctly.

Media

Conclusion

This project reinforced the importance of precise component placement, proper soldering techniques, and debugging skills. By carefully assembling the Logic PCB LP24 and testing its OR gate functionality, I gained valuable hands-on experience in electronics and circuit design. Such projects provide a solid foundation for understanding logical circuit operations in real-world applications.

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Written by

Neel Patel
Neel Patel