HellenT:
but all of them only works for single lane.
So what is the problem? If you have a 5-lane road, buy 5 of them.
I'd try the laser distance sensor on the side of the road - measure the distance to the side of the car to find what lane it's in.
HellenT:
but all of them only works for single lane.
So what is the problem? If you have a 5-lane road, buy 5 of them.
I'd try the laser distance sensor on the side of the road - measure the distance to the side of the car to find what lane it's in.