Anatomy of a NeoPixel LED Strip

Chapter: 5 — Programmable LED Art with NeoPixel/WS2812B

Open fullscreen

About This Poster

A close-up labeled view of a cut segment of WS2812B strip, grounding "pixel index," "data line," and "chained protocol" vocabulary in the real solder pads and cut lines on a physical strip.

How to Use

• Explore — hover or tap a numbered marker to read about that part.
• 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. Flexible PCB Substrate
2. WS2812B LED Package
3. Data In Pad (DI)
4. Data Out Pad (DO)
5. 5V / VCC Pad
6. GND Pad
7. Pixel Index Marking
8. Cut Line
9. Arrow Silkscreen