Halloween NeoPixel Patterns

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A set of Halloween party patterns for the standard NeoPixel strip and buttons, power-limited for safety, that cycles through patterns automatically.

Source book: Moving Rainbow
Kit page: https://dmccreary.github.io/moving-rainbow/kits/halloween/
Printable one-pager: halloween-one-pager.html

Features

• Maximum 1/3 pixels lit: Automatically calculates and enforces a limit based on your strip length
• USB-safe: Can be safely powered from USB without external power supply
• Optimized patterns: All effects redesigned to look great within power constraints
• No brightness reduction needed: Pixels can run at full brightness without risk

Benefits

• Free, open lessons: the Moving Rainbow textbook has the kit page, wiring, and MicroPython code.
• Budget: about $15 (uses the Moving Rainbow base kit).

Parts

• Raspberry Pi Pico ($4) — Microcontroller
• WS2812B NeoPixels — LEDs
• 830-Point Breadboard ($1.10) — Breadboard
• Micro-USB Data Cable ($2.50) — Power and programming cable