This doo-dad is a telescoping PVC fitting sold as a “Qwik Fix” or “Slip Fix.” It’s intended to be used to repair broken sections of pipe, but Chuck Rice has posted a venerable tutorial on converting one for use as a pneumatic piston in a haunted-house prop. Chuck’s design both lifts and turns with a single stroke. Clever!
Make: Halloween Contest 2009
Microchip Technology Inc. and MAKE have teamed up to present to you the Make: Halloween Contest 2009! Show us your embedded microcontroller Halloween projects and you could be chosen as a winner.