Abut my test
exist also full digital ( 0/1 ) method

camera 1 ----R ---Bulb ---R --camera 2 -----> 30 km/s



0 - signal not exist
1 - signal exist

R distance i vacuum light need time To

we can set in tow ideal symetry cameras time To
( please open /close sensor only for time To )

If exist motion ! during time To light will not touch the sensor inside camera 2 and will touch !!! sensor in camera 1

http://youtu.be/PNYiejnl0t0


Edited by newton (11/08/13 05:57 PM)