# Assembling and Testing the Logic PCB LP24

## 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

%[https://youtu.be/a7Gm7U1k7FM] 

## 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.