A 3D Printed Iron Man Helmet & Arc Reactor, controlled with a embedded Arduino Uno!
3D-printed Mark LXXXV Iron Man Helmet from Thingiverse. The faceplate can be remotely opened using an IR remote. Powered by an Arduino Nano.
Toy Iron Man mask with some hardware in it to project information to the wearer, like the holographic interface Mr. Stark himself uses.
A pocket, rechargeable battery PSU for powering small Cosplay-related projects (and not only)