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Rainbow Bot

Photo needed

We don't have a photo of this kit yet.

The base robot with an 8x8 NeoPixel matrix on top. The colors and patterns change as the robot changes direction.

Source book: STEM Robots
Kit page: https://dmccreary.github.io/stem-robots/kits/rainbow-bot/
Printable one-pager: rainbow-bot-one-pager.html

Features

  • Uses the Raspberry Pi Pico RP2040
  • Uses the WS2812B NeoPixels

Benefits

  • Free, open lessons: the STEM Robots textbook has the kit page, wiring, and MicroPython code.
  • Budget: about \(27–\)31 (base robot $19 plus an 8x8 NeoPixel matrix, about \(6–\)10 on eBay and about $12 on the Moving Rainbow page).

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