Larson Scanner Pumpkin

The Knight Rider/Cylon "scanner" light effect on a 144-pixel-per-meter LED strip glued into a craft pumpkin.

Larson Scanner Pumpkin

Larson Scanner Pumpkin

Key Features

  • Uses the 10K Potentiometer
  • Uses the Cytron Maker Pi RP2040
  • Uses the HC-SR501 PIR
  • Uses the Raspberry Pi Pico RP2040
  • Uses the WS2812B NeoPixels

Key Benefits

  • Free, open lessons. The Learning MicroPython textbook has the kit page, wiring, and MicroPython code.
  • Classroom friendly. Built on a solderless breadboard or no-solder connectors.
  • Try before you build. An interactive MicroSim on the kit page runs in the browser.
  • Budget. About $24 plus a battery pack (pumpkin $10, Pico $4, breadboard $2, LED strip $8).

Parts

Part (price)Role
Raspberry Pi Pico ($4)Microcontroller
Cytron Maker Pi RP2040Microcontroller
10K PotentiometerInput knob
HC-SR501 PIRSensor
WS2812B NeoPixelsLEDs
830-Point Breadboard ($1.10)Breadboard
Micro-USB Data Cable ($2.50)Power and programming cable

Microcontroller listed first. Prices shown only where known; see the source book for quantities, wiring, and current prices.

About this kit: From the Learning MicroPython collection.
Source: Learning MicroPython