IR Head Tracker (Opentrack)
thingiverse
This is an infrared emitting dead tracking unit used with the Opentrack software. It uses 3 Harvatek HE3-290AC IR-Emitter 940 nm 90°5mm LED´s wired in series. But any other IR emitting LED´s will work as long as they have a spread of at least 90° For Power, a Simple Buck Boost Converter is used to step down the 5V voltage from the PC just a tiny bit, as to not overload the LED´s, as well as isolate potental shorts from the PC´s USB port. But a simple resistor can be used as well. With some Trial and Error a Battery Powered Version is Certainly Possible.
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