Talking Booby Trap

People snatching your top-secret stuff? Here’s a sneaky gizmo to keep those snoops away. Read more »
People snatching your top-secret stuff? Here’s a sneaky gizmo to keep those snoops away. Read more »
Motorize a phenakistoscope, a 19th-century parlor novelty that preceded motion pictures, and keep its frames synched to an LED strobe by using a sensor and an Arduino microcontroller. Invented in 1832 by Joseph Plateau, this device creates a moving picture from a sequence of stills arranged on a spinning disk... Read more »