This circuit is how [John Tsiombikas] makes his cheap 3D shutter glasses work with a Linux machine. It’s not that they were incompatible with Linux. The issue is that only certain video cards ...

Used for 3D gaming and the first 3D TVs, liquid crystal (LC) shutter glasses are synchronized with alternating stereo frames on screen by an infrared (IR) emitter on the monitor or TV. Ceiling ...