Name Sign Night Light

A NeoPixel sign spelling a name (the example is "JASON"), with a photo sensor on the back.

Name Sign Night Light

Name Sign Night Light

Key Features

  • All letters are the same color
  • The J might be red, A might be blue, S might be green, and so on
  • The letters are invisible
  • Only one letter lights up

Key Benefits

  • Free, open lessons. The Moving Rainbow 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.
  • Real-world data. Students read sensors and turn measurements into decisions.
  • Budget. Under $16.

Parts

Part (price)Role
Raspberry Pi Pico ($4)Microcontroller
Momentary Push ButtonsInput button / switch
LDR PhotoresistorSensor
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: When the room goes dark it stays lit for 10 minutes, then fades; buttons change the pattern.
Source: Moving Rainbow