In my local robotics shop there are two Sharp IR sensors available, one is capable of measuring distance from 4 cm to 30 cm and the other is capable of measuring distance from 10 cm to 80 cm which is a big difference.
I'm currently building the rangefinder robot following the tutorial on the society of robots page and I'm interested in what kind of IR sensor I must acquire for the robot to work without problems. Is there going to some kind of difference when calibrating them with the algorithm ? What IR sensor do you recommend ?
Thank you in advance.