Please answer me.


hello everybody. i'm new on forum , don't know arduino, excuse me if question "silly"
i'm working on project monitoring road traffic , want use arduino. have 2 questions :

1- can use ir deterctor , ultrasonic detector simultaneously detecting car presence (for more accuracy).

      if  (ir  & ultrasonic detect object)
       |     number_of_objects += 1
      otherwise
       |     not counted

2- , second question is: can use timers arduino. detector must count car , set timer if still on field (count stop time of car).

thank , sorry bad english.  

> 1- can use ir deterctor , ultrasonic detector simultaneously detecting car presence (for more accuracy).

yes

> 2- , second question is: can use timers arduino. detector must count car , set timer if still on field (count stop time of car).

yes


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