WelcomeSwitch -- Lets members indicate when they're willing to accept guests.
CupcakeCar -- A goofy testbed for electrical and mechanical ideas, an eye-catching way to zip around town, and an engineering disaster, all rolled into one!
Player Piano Rebuild w/ Roll Printer -- Rebuilding an old player piano to working condition. Then hacking an old dot matrix printer to cut out from a continuous roll of paper to play on the piano, as well as various piano add-ons for further automation.
Player Piano Project Branch: Hard drive actuated piano -- Actuation of the hammers in the above player piano with the reader arms scavenged from dead hard drives.
Feedback Slider -- A musical instrument based on feedback.
ArduinoSkeeball -- a DIY Skeeball machine powered by an arduino microcontroller.
ArduinoFoamDartShootingRange -- four pop-up targets and machine that detect hits from foam darts (nerf) and is powered by an arduino.
DIY Musical Instruments -- a Cigar Box Guitars, Wine Crate Bass, and a Beer Growler Organ.