Make: Technology on Your Time Volume 03

HALLOWEEN HAUNTED HOUSE CONTROLLER

By Eric J. Wilhelm

Build a relay board that synchronizes lights, motors, and other electrical devices to a scary soundtrack playing on a computer, and create spooky haunted house special effects! »

Set up: p.89 Make it: p.90 Use it: p.96

Illustration by Erik T. Johnson

GEEK MEETS GHOUL

I loved neighborhood haunted houses as a kid. Trick-or-treating was more of a search for haunted houses than for candy and mischief. I was ever-hopeful that around the next corner, I would find another garage converted into a cardboard-and-bed-sheet maze filled with low-budget frights. But I often thought, “I could do better than ...