Electronic Circuit Design with Altium Designer: Wire Labeling, Component Editing, and Annotation

  1. Objective
    The objective of this stage is to enhance schematic clarity and accuracy in Altium Designer by labeling electrical wires, editing component names and values, and assigning proper sequence numbers to all components. These tasks are essential for developing a well-organized and professional schematic that supports the following stages of PCB design in our group’s scientific research project under instructor supervision.
  2. Summary of Learning
    During this phase, our team practiced assigning net labels to wires to clearly define signal connections and prevent confusion between different circuits. We also learned to modify component names and values to accurately reflect their specifications, such as resistor and capacitor ratings. Finally, we used the annotation function to automatically number all components in a logical order. Through these operations, our group gained a deeper understanding of how consistent labeling and naming conventions can improve schematic readability and debugging efficiency.
  3. Application to Water Purifier Project
    In our Water Purifier Project, these skills were applied to the control circuit schematic. Each signal line was labeled according to its function, such as power, ground, and sensor connections. The components on the control board— including the microcontroller unit, transistors, and sensors—were carefully renamed and numbered to match the Bill of Materials (BOM). This process ensured accuracy and consistency in the later PCB layout and assembly stages.
  4. Conclusion
    This stage strengthened our team’s understanding of schematic organization principles in Altium Designer. By applying systematic wire labeling, parameter editing, and component annotation, we built a professional and logically structured schematic. These practices are crucial in large-scale electronic designs, helping to reduce potential errors and enhance collaboration between the design and manufacturing teams.
  5. Next Step
    In the next stage, our group will continue by establishing detailed electrical connections between components, simulating circuit performance, and preparing for the PCB layout process to verify that the schematic functions correctly in real-world operation.

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