In the past few months, we have covered drones and robots being controlled using a heads-up display. L1Ranger has shared a guide that shows you how to how to control a Nerf Vulcan sentry gun using a Recon Snow2 HUD. For this project, you are also going to need UVEX G.GL9 Ski Goggles or something similar.
More items like this: here
As you move your head, the gun also moves to keep up. The code and other info about this project are available on Instructables.
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