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

Larson Scanner Pumpkin
| Part (price) | Role |
| Raspberry Pi Pico ($4) | Microcontroller |
| Cytron Maker Pi RP2040 | Microcontroller |
| 10K Potentiometer | Input knob |
| HC-SR501 PIR | Sensor |
| WS2812B NeoPixels | LEDs |
| 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.