Anatomy of a Basic Circuit Schematic

Chapter: 4 — Digital I/O, PWM, and the MicroPython Workflow

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About This Poster

A labeled schematic of a series LED circuit — the same circuit from Chapter 3 — showing how individual symbols combine into one real, documented circuit diagram.

How to Use

• Explore — hover or tap a numbered marker to read about that symbol or convention.
• Quiz — test whether you can identify each part from a visual hint alone.
• Edit mode — open main.html?edit=true to drag markers and recalibrate positions once the poster image is generated.

Labeled Structures

1. Resistor Symbol (Zigzag)
2. Component Reference Label
3. VCC Rail Line
4. Connecting Wire Lines
5. Ground Symbol
6. LED Symbol (Triangle + Line)
7. Wire Color Convention Note