Raspberry Pi 4 CRT-based VR Headset

What would virtual reality be like if flat panel display technology were never invented? In this project, Andy uses a pair of CRTs and the Raspberry Pi 4 to build a VR headset with stereoscopic 3D, 3DOF head tracking, and custom, browser-based software. It may not be practical but it’s definitely unique and guaranteed to have no screen door effect.

Node-RED Laser Shooting Galler

When you think of a shooting gallery, you might envision a line of tin cans set up along a split-rail fence, or a few rows of ducks or bottles lined up at a carnival. But what do these have in common? You, standing in one spot, and shooting in the same general direction. You’re exposed! If those targets could shoot back, you’d be dead within seconds. Wouldn’t it be more fun if the targets were all around you in 360°? We think so, too.

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