Ghostly Pumpkin Zeotrope #ElectronicHalloween #4-Mation #3DPrinting

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A 3d printed zeotrope (or 4-mation) of ghosts and pumpkins. Shared by Mike Rigsby on Hackaday.io:

Of course the “flashing bars” don’t appear in real life. An Arduino with a motor shield is used to control a bipolar stepper motor and led light strings. The twelve inch diameter turntable rotates at about 60 rpm (one revolution per second). The turntable is divided into 20 sections and a ghost/pumpkin is placed on each section. The led’s are “flashed” every 1/20 of a second to provide the illusion of movement.

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Adafruit electronic halloween dark HAPPY HALLOWEEN! Every day this month we’ll be bringing you ideas and projects for an Electronic Halloween! Expect wearables, hacks & mods, costumes and more here on the Adafruit blog! Working on a project for Halloween this year? Share it with us in the comments below, the Adafruit forums, Facebook, Discord, Instagram or Twitter— we’d love to see what you’re up to and share it with the world (tag your posts #ElectronicHalloween). You can also send us a blog tip! Tune in to our live shows, 3D hangouts with Noe and Pedro, Show and Tell and Ask an Engineer, featuring store discount codes, ideas for projects, costumes, decorations, and more!

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