IR or ultrasonic
February 2, 2009
i have a gradtion project which is a (car search for an object) in a room , keeptracking it, then take apictures (3-4) then send it wireless to a pc,
the problem is whate the sensors i will use to detect an object.
at firstly i decide to use a sound sensor but i found all sound sensors in the range doesnt exceed the 5 m so i want to switch to IR sensor or ultrasonic sensor but im realy confused,
please help me.which one is the better,