CR2032 operated Infrared Headtracker Clip.
Required Parts
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* 3x 940nm 5mm Infrared LED
* 1x 100 Ohm resistor
* 1x On/Off switch
* 1x
...Zeig mehr CR2032 battery holder
* 1x CR2032 battery
* ~30cm wire.
* Epoxy resin or hot glue to fix the components.
