Introduction to PCB Circuit Board Design: Basic Learning Notes

1: Drawing Arduino Circuit Boards (Schematic Library, PCB Library, Schematic, PCB Drawing)

1. Drawing Schematic Library (Use existing libraries, or create your own) [SCH Library]

Here is an example

Add sub-file: Select -> Tools -> New Component

Method 1: Draw one by one

Below are some examples and effect images

ATMEGA328P-AU

CH340G

LM358

USB-B PT Ferrite Bead CAP Capacitor CRYSTAL Oscillator RES Resistor LED Light Header Pin D Diode CAP Capacitor

Method 2: Use existing libraries/third-party libraries

How to import from the existing library in the schematic library to our own library

Step 1: Click on the schematic, drag the components you want (you cannot drag from the schematic library, but you can in the schematic)

Step 2: Click Design -> Make Schematic Library to generate the schematic library -> Click OK -> A schematic library will be generated -> Then copy this component to your library

2. Drawing PCB Library

Method 1: Draw according to the provided dimensions

Method 2: Use the built-in tools of AD to input parameters and generate drawings

Method 3: Draw using the copy method (commonly used)

Edit ->>Set Reference ->>Place on Pin 1

3. Package Association -> Schematic

3.1 Mutual Association

3.2 Schematic Layout Drawing: Composing Circuit Diagrams, Connecting Lines, Setting Attribute Sizes, etc.

4. Import Layout Drawing -> PCB Diagram

4.1 Design the Board

If modifications are needed, go to copper -> remove via -> modify PCB library and schematic library -> save, update (schematic and PCB diagrams)

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