Redditor [Lord_of_Bone] — seizing at that goal — has built himself an Iron Man mask with an integrated HUD! Relying on a conceptually similar project he’d previously built, much of the code ...

Mark I (Iron Man) This is the one that started it all. It may not be pretty, it may not be high-tech, and it may not have great battery life, but dang it, it sure got Tony out of a serious jam.