15 years ago
excuse me Ihave a project about ultrasonic for measurment of distance
beetween two cars!
its not for avoidance of hit!it for reducing the speed to keep the
standard distance between two car
somy need is about 30 or 40 meters
its very long distance but its two neccessary for me
how can I do it
I read somthing about horn but its ....
you know its in a car!
what a horn can be our what a car????
accept my special thanks for your helps