of has an amazing new Halloween project that doesn't require any programming skills. Heck, you don't even really have to plug it in. Marty the Mechanical Moving Pumpkin just requires a handcrank mechanism inside to dart his eyes and wag his tongue.
Marty starts out like any other Jack O'Lantern. Just carve him up as you would any other pumpkin. This includes scraping out and roasting the seeds, maybe with a hint of salt and cayenne. But from there, it's definitely a little more hands-on, requiring power tools and metal cutting to complete the job.
Brandt uploaded a step-by-step to . The motion particulars are operated by two sandwiched cams, which determine the direction of movement, while a metal slider wiggles back and forth to move the eyes. A crank is attached to one of the cams, which moves two prongs on the slider to create the motion, while everything is kept in place with drywall anchors. A crankshaft in the back allows for some wind-up, and from there you just need to light a candle (or place in some other light source) and let Marty do his thing.
It's a deceptively simple and effective Halloween decoration, notable for beating out many department store decorations without the need for electricity. Sure, it's a little more work than most pumpkins, but it's a project well worth the effort, relying on hundreds-year old technology