Magic Wand / Secret Door


Bookshelf of Secrets

This fantastical creation utilizes a light sensor to trigger a secret mechanism (servo motor), swinging the door open! Notice that yellow star in the top left? Shine your light there, and presto. The bookshelf reveals its true nature.

Materials Required:

  • Servo motor
  • Photoresistor
  • LED
  • breadboard
  • Arduino
  • Jumper wires
wiring diagram