i would pulse the lasers on one side with a 555 or a micro, then recieve that pulse on the otehr side with a second micro, that way you wont have any wired going across the road, and oterh light sources wont interfere with the results...
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i would pulse the lasers on one side with a 555 or a micro, then recieve that pulse on the otehr side with a second micro, that way you wont have any wired going across the road, and oterh light sources wont interfere with the results...
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You wouldn't need the laser to be on the other side of the road, just put the emitter and the detector on one side, seperated by a few inches or whatever. A car goes by, you'll get a reflection. You may need a bit of a wide angle detector for this though. And make sure that there isn't a mirror or something like that across the road...Originally Posted by dragons_fire
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with lasers, i dont think he would get much of a reflection off of the tires (if the sensor is that low) but it would probably work off of the body... he could put a mirror on the other side, and then look for the missing signal...
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